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Tektronix Logic Analyzer Family Version 4.3 Software User Manual

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1. 2 20 Figure 2 21 Waveforms using pattern symbols 2 22 Figure 2 22 Listing data using range symbols 2 23 Figure 2 23 Symbols dialog box 0c cece cece ree eeee 2 24 Figure 2 24 Load Symbols Options dialog box 2 2 25 Figure 3 1 System window ccccce cece c cece cee ceces 3 1 Figure 3 2 Logic analyzer setup window 0ceeeeeees 3 2 Figure 3 3 Setup window with the QSTART support package 3 3 iv Tektronix Logic Analzyer Family User Manual Table of Contents Figure 3 4 Sample Suppression dialog box 006 3 5 Figure 3 5 Selecting channels for memory compare 3 6 Figure 3 6 Enabling data compare cece cece eens 3 6 Figure 3 7 Typical DDR SDRAM consecutive READ bursts 3 11 Figure 3 8 Truth Table for the COMMAND group 3 12 Figure 3 9 Typical DDR SDRAM consecutive WRITE to WRITE 3 13 Figure 3 10 Edge Detector assignments 0eeeeeeee 3 14 Figure 3 11 Clock Groups selection ccc ee cee ceees 3 14 Figure 3 12 Sample Clocks equations eeeeeeeees 3 15 Figure 3 13 Group Clocking programming 006 3 16 Figure 3 14 Probe Demux channel selections 60 3 16 Figure 3 15 Source and destination probe channels in Internal 2X Clocking mode ccc cee ee cee eee evees 3 20 Figure 3 16 Channel grouping table in the Setup
2. 0 2 0 e eee eee eee eee ee 3 43 Setting Up the iView External Oscilloscope 0 2 02 ee eee eee 3 48 SY SCM VAS CCT sontet mant dak ache ee wh atl dae deters E ae aeaa aa aeoe be save d an i 3 51 Arming Modules ssd eintiid ea e nent n 3 53 Intermodule and External Signaling 0 eee eee ee eee eee eee 3 54 Merging Modules 0 0 eee cece eee teen ene a 3 56 Saving and Loading Setups Triggers and Data 0000 3 58 System OPtrONs osc oe de daha ale despot ad eas Roane aa e a i le Sendo Patan 8 3 61 Menu Shortcut Keys s tee uie a a cee ee nee een ees 3 62 Tektronix Logic Analzyer Family User Manual i Table of Contents Acquisition ese es hee va ete dese wee E A E E 3 63 Starting and Stopping Acquisition 0 0 cee e ee cee cee eee 3 63 Viewing Acquisition Activity 2 0 0 0 cee eee eee eee eee 3 65 If the Logic Analyzer Does Not Trigger 000 0000 e eee eee 3 65 Display ic sihe kia EEEN A ENEE ceeds ite nexaa 3 67 Opening an Existing Data Window 00 ce eee cece eee eee eee 3 68 Opening a Saved Data Window 0 0 0 c ec c cee ee 3 68 Aligning Saved Data with Current Data 0 0 0 0 00 eee 3 69 TQCKANG Widows esaeas aet iina it ola s gore i obtyen te ciel teeta ec dewrk dhe eye EA 3 69 Creating a New Data Window 0 occas 3 69 General Purpose Data Window Shortcut Keys 000000 3 70 Waveform Win
3. 2 2 Figure 2 3 Block diagram of the logic analyzer acquisition and SOAGE iyo Slegels adr eden HR a anes dete ised oe Waive BAITS 2 2 Figure 2 4 Block diagram of the pattern generator module 2 4 Figure 2 5 Logic analyzer conceptual model 200 2 5 Figure 2 6 Listing data ccc cece cece cece renee eee 2 7 Figure 2 7 Listing data using a microprocessor support package 2 8 Figure 2 8 High level source code ccc eececeececes 2 9 Figure 2 9 Source code viewed as acquired data 2 9 Figure 2 10 Waveform data ccc cece cece e reece eees 2 10 Figure 2 11 Using the iView external oscilloscope to capture a PUNE PUM se io aes eS in ese sa a GB EE EEE EEA 40a Saree Se ace es 2 11 Figure 2 12 Logic analyzer sampling resolution 2 12 Figure 2 13 Aliasing 2 0 0 ccc o cece eee e eee e 2 13 Figure 2 14 Logic analyzer triggering on a glitch 2 15 Figure 2 15 Oscilloscope triggering on a glitch 2 15 Figure 2 16 Viewing the performance of code with a Histogram window ccccccccccccncnvavevscsceees 2 16 Figure 2 17 Using color to show memory differences in a Listing Wind OW 0 06 cee dnt es ae eke s ssiredo niseni eisa 2 17 Figure 2 18 Defining repetitive setups 0 0 c cece eeeee 2 18 Figure 2 19 Filter definition 0 cc eee e cece rece eee 2 19 Figure 2 20 Using symbols in a trigger program
4. Load Limits Bound 1 Hes 0 Bound 2 Hex FFFFFFFF Offset Loaded ymbols Default Offset Hex 0 Custom Offset Hex Add 0 Cancel Help Figure 2 24 Load Symbols Options dialog box Select one or more of the symbols types to load If you want to use the symbol file with the Source window you should click the Source Code check box You can enter a decimal number for the maximum number of symbols to load The maximum number of symbols that you can load is limited only by the amount of memory available The file loads symbols until the specified maximum number of symbols is reached Additional symbols are ignored even if they fall within the Bound 1 and Bound 2 range limits The Bound 1 and Bound 2 fields define the range of symbol addresses that will be loaded You can enter any hexadecimal values from 0 through FFFFFFFF Symbols with values outside of these limits are ignored and will not be loaded NOTE If the lower bound of the range symbol is within the Bound 1 and Bound 2 limits and the higher bound is not the entire symbol will be valid However if the higher bound is within the Bound 1 and Bound 2 limits and the lower bound is not the entire symbol will be ignored Tektronix Logic Analzyer Family User Manual 2 25 Operating Basics Select either Default Offset or Custom Offset to apply an offset to the symbol values If you select Default Offset the default offset
5. C1 540ps C2 fi 55ns Delta Time 2 0ns F Lock Delta Time QSTART Misc Delta 1F C TART dagnivu DataSize QSTART Magni u Misc QSTART Sample QSTART Data QSTART Control ISTART DataSize QSTART Misc 2START A A a a a A mr Figure 3 46 Waveform window Tektronix Logic Analzyer Family User Manual 3 71 Waveform Window Types of Waveforms Several types of waveforms can be displayed in the Waveform window as shown in Figure 3 47 2 0 gt 2p 4 Ba Gi e timerdie Sons BIER I C1 50ns C2 Ons Delta Time ficors J TP Lock Delta Time DSO 1 Channel C1 2 927 C2 346 4mV Delta 2 581 Sample clock waveform l Single channel LA waveform Busform LA waveform DSO waveform DSO 1 Channel Figure 3 47 Waveform types Sample Clock Waveforms Each module that contributes current data to the window has its own sample clock waveform The sample clock waveform consists of a row of short vertical tick marks placed along the time axis at each display point that represents an actual acquired sample for the module Busforms Busforms display the value of a logic analyzer channel group Magnitude Waveforms Magnitude waveforms plot the numeric value of a channel group on a vertical axis over a period of time For example you can use magnitude waveforms with A D and D A applications for viewing the RGB components of a digitized video signal Figure 3 48 shows such a component 3 72 Tek
6. Returns LEAL ALEKERALALAT AL ALLEL ARALALAL ALL KLEAAAIATA LA LE LKLRALILAT LT LTELERAT ink gets char buf int n char ch m 0 START Q Start Q Starq Sample Address Data oneo4lca NEG B D1 oneo4lcc ADDI B 09 D1 oneo4lpa LSL W D1 DL oo6041Dz OR W D1 D6 006041D4 ADDQ W 1 D7 00604lD6 CMFI W 0005 D7 00604lDA BCS B 00000000F 00604lDC MOVE W D7 D0 O06041DE NOT W D1 oo6041Eo MOVE W D1 00000001 O06041E6 MOVEM L A7 D0567 O06041EA MOVEA L A7 A0 ONGO4LEC ADDQ L 4 47 Figure 2 9 Source code viewed as acquired data The logic analyzer supports a wide variety of object files including IEEE695 OMF51 OMF86 OMF286 OMF386 OMF166 COFF Elf Dwarf1 and Dwarf2 Elf Stabs and the TLA Symbol File TSF format a text format Refer to the online help for information on the TSF format Tektronix Logic Analzyer Family User Manual 2 9 Operating Basics Waveform Data Concepts 2 10 You can use the logic analyzer to observe the timing relationships between signals by displaying the recorded signal activity as a series of waveforms in the Waveform window Figure 2 10 shows waveform data from a logic analyzer 24 Waveform 1 _ oy x n Ee af G Time Div ins Sela c1 5tns C2 50ns Delta Time 100ns aa I Lock Delta Time DSO 1 Channel peer D ag_DataSize Sample QSTART Mag_Mise START M E Safer SHEER esa i Figure 2 10 Waveform dat
7. Data Windows General Settings Module 1 Module 2 Module n Setup Setup Setup Trigger Trigger ee Trigger Data Data Data Figure 3 40 Logic analyzer conceptual model Saving System and Determine whether you want to save the information from a single module or Module Files from all modules Select Save System or Save Module from the File menu Saved system and module file names have a tla file name extension file name tla The initial default location for saved files is C My Documents Loading Saved System The logic analyzer stores all the setup trigger and data information in just two and Module Files types of files saved module and saved system However the logic analyzer can extract different types of information individually from these files From a saved module file you have the option of loading any of the following m An LA module trigger program A module setup and trigger program m Saved data from the module accomplished by opening a saved data window see Opening a Saved Data Window on page 3 68 3 58 Tektronix Logic Analzyer Family User Manual Setup From a saved system file you can load any of the following m Any of the previous module related choices m Full system setup including data windows m Saved data from one or more modules You execute Load operations from the File menu For module Load operations you must first go to the module Setup or Trigger window before acces
8. This phone number is toll free in North America After office hours please leave a voice mail message Outside North America contact a Tektronix sales office or distributor see the Tektronix web site for a list of offices Tektronix Logic Analzyer Family User Manual C Getting Started EEE Getting Started The Tektronix Logic Analyzer family consists of the TLAS000 and TLA700 series logic analyzers and all of the accessories and supporting software that can be used with them For more information about availability contact your Tektronix representative and view the Tektronix website at www tektronix com Tektronix Logic Analyzer Family The TLA5000 series logic analyzers are a line of self contained logic analyzers as shown in Figure 1 1 Figure 1 1 TLA5000 series logic analyzer The TLA700 series logic analyzers combine a high performance logic analyzer module with optional application modules or an external Tektronix oscilloscope There are two styles of mainframes portable and benchtop Each mainframe can include an expansion mainframe that looks similar to the benchtop mainframe The portable mainframe and the benchtop mainframe are shown in Figure 1 2 and Figure 1 3 Tektronix Logic Analzyer Family User Manual 1 1 Getting Started Figure 1 2 Portable mainframe Expansion mainframe Benchtop mainframe Figure 1 3 Benchtop mainframe with an expansi
9. You can display information about all symbol files currently used by the logic analyzer The following status information is available for each currently loaded symbol file m The last time the file was loaded into the logic analyzer application software It also includes error and warning messages associated with the last load m When the file was last modified The logic analyzer also displays a message if the file may need to be reloaded such as when the file is modified after it was first loaded The format of the loaded file m Ifthe file can be unloaded or if the file is currently in use Symbol files can only be unloaded if no data windows or setups are using them Tektronix Logic Analzyer Family User Manual 2 23 Operating Basics 2 24 Symbols 2 x m Loaded Symbol File SS E E EE oes Status Last Loaded 06 23798 01 50 02 PM File Modified 04 13798 10 47 18 AM Format Loaded TSF Can Be Unloaded No File is in use by a setup or data window Content Symbol Type Functions Variables Source Code Total Symbols 324 Total Source Files 6 Range 04609204 to Ox80000003 with offset 0603204 to Ox80000003 without offset Esport Help Figure 2 23 Symbols dialog box The following information is displayed in the Symbols dialog box m Whether the file is a pattern symbol file or a range symbol file If the file is a range file this field also lists the t
10. a p ol OOns Delta Time 2oc ns H J I Lock Delta Time LA 1 CKO ny E2 i gt i T E lt Data mark bar fine control a i eo E lt Split box rani AAA AN ANA aE B amp ESEE C1 100ns aE l a z lt Overview mark bar coarse control Figure 3 50 Waveform window cursors and marks Table 3 13 Waveform window cursor and mark summary Description T System trigger The system trigger is the reference point for the acquisition Timing and location information is relative to the system trigger Trigger marks cannot be moved Under some conditions the system trigger associated with a module s data might not be displayed in the data window If the system trigger was caused by another module whose data is not included in the current display then the system trigger is not shown Nevertheless all time measurements still relate to that system trigger even if it is not shown The system trigger associated with the current data is called the active system trigger The system trigger associated with saved data is called the reference system trigger The active system trigger is indicated by a yellow T the reference system trigger is indicated by a gray T TF Module trigger The point at which the module triggered Trig
11. Cut Copy and Paste Viewing Glitches 3 90 Add Waveform HE m Data Source flat Magnu 7 Add Select Close amp ByGroup By Probe By Name Help Group Probe Name Add Data Source Figure 3 60 Add Waveform dialog box To change the width of a waveform label select and drag the waveform label border To change the height of a waveform select the bottom of the waveform label and drag the label and the associated waveform to its desired size Change the displayed time per division using the Time Div drop down list in the toolbar You can also use the Zoom In and Zoom Out toolbar buttons You can cut copy and paste waveforms and marks Both glitches and setup and hold violations are indicated in the display by highlighted text of the complete sample for all radixes except binary octal and hexadecimal In those radixes only the violation bits are highlighted Turn the glitch or setup and hold display on or off from the Waveform window tab available from the Waveform Properties dialog box NOTE To view glitches in a data window you must enable Glitch storage in the LA Setup window before acquiring data To view setup and hold violations you must enable Setup Hold storage in the Acquire box of the LA Setup window before acquiring data Tektronix Logic Analzyer Family User Manual Waveform Window Glitch Le ____ Figure 3 61 Waveform with a glitch Naming Waveform
12. Sampling and Digitizing a Signal 0 cece eee eee eee eee 2 1 TSO SICTA TAL Y ZOT cts Noa tte Saal ended ari NEE AAA E tna nade kecaura nas kat 2 2 iView External Oscilloscope 0 cece eee ence een eee 2 4 Pattern Generator Module i arei ea ee einer oat ean E N ere ae nae 2 4 Logic Analyzer Conceptual Model 0 e eee cee eee eee 2 5 Intermodule Interactions and Time Correlation 000008 2 6 Listing Data Concepts n rotnar ta ek erase as Cog ay need we aaa oe end cheval a 2 6 Microprocessor SuppOrt preen hate aches are aly Learn orate ea ayas E E AA ace 2 8 High Level Language Source Code Support 0 00 e cece eee 2 8 Waveform Data Concepts oner nen a e EEEa EE o E N EAA ace 2 10 Performance Analysis Concepts 0 0 0 cee cece eee eee eens 2 16 Comparing Acquired Data Against Saved Data 00000000 2 17 Repetitive ACQUISITIONS irea siete agat ates ie arate ted eatin edad ahaa ele nied 2 18 Mata Filters seit Modine darguerat bout nts ative alerted Sanna ene A ERE a 2 19 SYMDOLSUPPOUt ora hre aaa E vat ater Aid ate neon tases Mea eta EENE wun 2 20 Reference OCU reee aE Tain zs ig ata E n a asin da 0 intel Sao nce seat Sone ca 3 1 The System Window Tat uneia aaa cece n ene eens 3 1 Setting Up the LA Module 0 00 cee eee cece eee eee ee 3 2 Setting Up the Trigger Program 0 cece eee eee eee eee ee 3 28 Setting Up the Oscilloscope Module
13. Selecting the Acquisition Mode on page 3 17 pal MAG_FF anlys Of x 2 8 ESI EA om E le Time Div 10ns 7 mny pare C1 14 8ns C2 11 8ns Delta Time 3ns ee m God annnnnmdanunununndannn nmr e Mme Me A poll i tell Ue CSR PEARSA Pa AANE es g C1 18 82us C2 118 8215us Channel C1 1 5907 Channelt Figure 2 15 Oscilloscope triggering on a glitch Tektronix Logic Analzyer Family User Manual 2 15 Operating Basics Performance Analysis Concepts 2 16 For performance analysis applications you can use the Histogram window to view the performance of your software The actual data is displayed as horizontal bars in a histogram You may want to use the Histogram window to see which one of your software routines is taking up most of the CPU time Or you can use the Histogram window to measure the amount of time used by a particular subroutine You can use a symbol file to view each of the routines by name Figure 2 16 shows an example of the Histogram window where the StopLite routine is taking up most of the computer resources H Histogram 2 Oy x a AJA i o Percentages Based On Matched Samples 4 516 stopLite enqueue dequeue queueFul queueEmpty lightLeds rear front LEDwrite fputc _ uprint Figure 2 16 Viewing the performance of code with a Histogram window Tektronix Logic Analzyer Family User Manual Operating Basics Compar
14. acquired If you do not need to use the full memory depth to acquire the data of interest select a smaller memory depth to get faster acquisitions Tektronix Logic Analzyer Family User Manual Setup Trigger The DSO Trigger page contains all controls for setting DSO trigger events and actions Threshold changes are recognized and executed immediately during acquisitions Execution of all other controls are delayed until the next acquisi tion To display the Trigger setups from the System window click the DSO Trigger button and then click the Trigger tab Select a trigger event from the list of event types and then modify it for your application T Setup DSO 1 _ fol x Channel 1 Channel 2 Channel 3 Channel 4 Horizontal Trigger Event Type ie Polarity paie Channel Mode tuto r E A Trigger When Lv ican Action Trigger r C NAU te lt width Trigger Position Threshold ord hepa ba TE A en 1 agav TH a waa ua widh 2ns E Autoset Event Type Event Type selects the type of event the DSO will recognize as a trigger Choose from the list of trigger event types Mode Mode selects whether the DSO waits for a trigger Normal or forces a trigger after a set length of time has passed without a trigger Auto Action Action selects what happens when a trigger is recognized Choose from a list of actions Actions include triggering the DSO triggering all modules or trigger
15. enabled It also contains a Test button that allows you to confirm communication between the logic analyzer and external oscilloscope and provides controls for viewing or modifying aspects of the external oscilloscope setup alo x Setup Trigger Connections External Oscilloscope Setup Extemal Oscilloscope model External Oscilloscope status Depth limit f1M hd External Oscilloscope GPIB address 1 Channel fi is named Channelt F Synchronize TLA and ExtemallGscillase ope clock Start sequence Automatic samples TDS3012 Enabled Note 5 pecily the extemal oscilloscope s horizontal and vertical settings using the oscilloscope s own user interface If the oscilloscope is triggering the TLA specify oscilloscope trigger settings using the oscilloscope s user interface Figure 3 34 External Oscilloscope Setup tab You can view and modify the following external oscilloscope setups Table 3 8 External oscilloscope setups Setup Channel is named Synchronize TLA and External Oscilloscope clocks Start sequence Depth limit Tektronix Logic Analzyer Family User Manual Description Lists the available external oscilloscope channels The name associated with the waveform channel This name is used to identify external oscilloscope channels in the data windows Check box that indicates whether the logic analyzer and external oscilloscope clocks are synchronized This function
16. gt gt Is In Is Not In Three trigger resources per channel group Changes One trigger resource per group event one change detector allowed in a trigger program not available when transitional storage is used Channel Word recognizer e o One trigger resource per channel group Change detector Goes Doesn t go One trigger resource one change detector allowed in a trigger program not available when transitional storage is used Snapshot Is Not Is Loaded Is Not Two trigger resources and one timer event Loaded Transition Occurs Doesn t Occur One trigger resource Glitch One trigger resource only available with internal asynchronous clocking Change detector S amp H Fault One trigger resource only available with external synchronous or custom clocking Tektronix Logic Analzyer Family User Manual Setup Table 3 4 Trigger resources Cont Event Restrictions and resources Counter gt lt 0 trigger resources 2 counters or 2 timers Maximum width 51 bits Maximum clocking 250 MHz Maximum count 251 1 Counter 1 and 2 events conflict with Timer 1 and 2 events respectively Timer gt lt 0 trigger resources 2 counters or 2 timers Maximum width 51 bits Maximum clocking 250 MHz Maximum time 2 000 000 S 23 days Counter 1 and 2 events conflict with Timer 1 and 2 events respectively Signal Signal in Is True Is False One trigger resource uses one of four system signals
17. shortcut keys in the online help or under the section for the individual data windows The shortcut keys also known as accelerator keys or hot keys abide by the following rules m Arrow keys with no modifier keys scroll data m The Shift key increases movement by a factor of 10 Table 3 23 Histogram window shortcut keys Desired action Key combination Scroll data up 10 ranges Shift Up arrow Scroll data down 10 ranges Shift Down arrow Tektronix Logic Analzyer Family User Manual 3 127 Histogram Window 3 128 Tektronix Logic Analzyer Family User Manual a Graph Window The Graph window is data window in which you can display acquired data in an X Y graph format You can use this format to quickly identify valid data in easily recognizable patterns A common application would be to monitor prototype code with a analog to digital converter or digital to analog converter You can track the flow of digitized analog values throughout your target system by looking at data values written to a set of memory addresses Figure 3 86 shows an example of a Graph window with multiple data series each data series is shown in a different color Graph 2 yala aea S ALY mlmm ol Horizontal Cursors Yertical Cursors aj Y2 fs a Desta fs Ig 31021 m2 131121 a Dela f100 4 Axis SampleNumberBegin Series C Sample Number Begin vs LA 1 Data Y Ass Groups Series2 W Sample Number Begin
18. 21 Probe Thresholds dialog box Tektronix Logic Analzyer Family User Manual 3 27 Setup Probe Info List Use the Info tab located in the Probe Properties dialog box to view a listing of the probes connected to the logic analyzer and the set of channels coming through each probe This tab is intended for informational purposes only See Figure 3 22 Probe Properties LA 1 2 x Activity Thresholds Info E3 E2 03 E1 E0 Q2 No probe detected AWAZ CKO D3 D2 Q0 No probe detected ATAD CKI D1 DO CK2 No probe detected C3 C2 CK3 C1 C0 Q1 ai menlban danta mtm adl x Close Help Figure 3 22 Probe Info dialog box Setting Up the Trigger Program 3 28 Use the Trigger window to construct a trigger program You also use the Trigger window to select how and when to store data It is important to configure the Setup window before you work in the Trigger window because some of the Setup window settings affect Trigger window selections A trigger program is a series of events and actions that define when to trigger and store data The trigger program filters acquired data to find a specific data event or series of data events The trigger program can accept information from other modules or send signals external to the logic analyzer Trigger programs range from simple to extremely complex They are the key to logic analyzer operation of acquiring the desired data in acquisition memory an
19. 3 104 merged module probe names 3 57 waveforms 3 91 windows 3 2 New Data Window dialog box 3 69 Next Mark and Previous Mark buttons 3 113 Normal acquisition mode 3 17 0 Object file format COFF Glossary 2 IEEE695 Glossary 5 OMF166 Glossary 6 OMF286 Glossary 6 OMF386 Glossary 6 OMF5S1 Glossary 6 OMEF86 Glossary 6 Tektronix Logic Analzyer Family User Manual Offset DSO module 3 45 range symbols 2 26 OMF166 file format Glossary 6 OMF286 386 file formats Glossary 6 OMFS51 file format Glossary 6 OMEF86 file format Glossary 6 Options system 3 61 Overlay waveforms 3 93 P Packet view 3 136 Pattern Generator module block diagram 2 4 Pattern symbols 2 21 PCMCIA Glossary 7 Performance analysis 2 16 Phone number Tektronix xii Podlet Glossary 7 Polarity LA channels 3 20 Posttrigger Glossary 7 PowerTrigger actions 3 37 clause definition 3 34 detail 3 34 events 3 35 modifying programs 3 29 overview 3 33 properties 3 33 resources 3 36 storage 3 39 Pretrigger Glossary 7 Probes adapter Glossary 7 calibration DSO module 3 43 channel activity 3 26 Info list 3 28 Info tab 3 28 podlet Glossary 7 properties displaying two dialog boxes 3 27 thresholds DSO vertical input 3 45 LA channels 3 27 setting 3 27 Product support contact information xii Properties 3 133 Histogram window 3 125 iVerify window 3 151 listing window 3 104 overlay waveform 3 93 Source wi
20. C Show All acquired samples baa 1024 samples around trigger C Re use existing suppression relative to jouer Cancel Help Figure 3 4 Sample Suppression dialog box Data Compare Data Compare allows you to compare the current acquisition data to known reference data You can quickly view data differences and similarities in a Listing or Waveform window using user defined colors Selecting Channels for the Memory Compare Choose the channels that you want to compare in the Setup window by selecting Channel Compare in the Table Shows box see Figure 3 5 You can then compare all data channels specific channel groups or individual channels by selecting the appropriate channels in the Probe Channels Names table After selecting the channels that you want to compare click the Compare button at the top right side of the Setup window to define the compare actions Tektronix Logic Analzyer Family User Manual 3 5 Setup REE E SE Fi Clocking Internal w jens hd Memory Depth 167108664 E Acquire Normal SupportPackage None Probe Channels Probe 7 6 5 4 3 2 1 0 CKual Haa aA A a aA A A o vea iM A O A a o e via A A A A o A i maw A A A A M A A v o a v v vi v wi E vl Compare Selected Group M Group Compare _ Don t Compare Table Shows Channel a v All Compare gt Partial Compare Figure 3 5 Selecting channels for memory c
21. DQS signal is again used as the data strobe but this time the data is center aligned with the strobe For the write cycle the setup hold window must be set to sample the data centered around the strobe edge rising and falling edge The same set of COMMAND group signals are used to determine the write cycle see Figure 3 8 The qualifier assignments are the same for capturing the write data TO T1 T2n T3 T3n T4 T4n T5 COMMAND ADDRESS tDQSS NOM i oas T yy MMM We on TN DON T CARE TRANSITIONING DATA Figure 3 9 Typical DDR SDRAM consecutive WRITE to WRITE In order to capture the DDR read and write data use the Source Sync clocking capability of the TLA7Axx logic analyzer module or TLA5000 series logic analyzer To begin set up the Edge Detectors tab As indicated in this tab Edge Detector 0 is the CSM Heartbeat Clock which means that Edge Detector 0 is the master clock that clocks the Clocking State Machine and the Clock Group Complete sections You have a total of four Edge Detectors each with four clocks rising and falling edge from which to choose Assign the rising edge of the DDR SDRAM clock to Edge Detector 0 CKO rising edge For Edge Detector 1 assign the DQS signal to Edge Detector 1 CK1 rising and falling edge Figure 3 10 shows the edge detect assignments Tektronix Logic Analzyer Family User Manual 3 13 Setup
22. DSO module data 3 107 LA module data 3 106 Empty 3 145 3 151 Numbers 2X Clocking 2 12 4X Clocking 2 13 A AC coupling Glossary 1 Accelerator keys general purpose data window 3 70 Histogram window 3 127 Listing window 3 108 menu keys 3 62 Source window 3 119 Waveform window 3 92 Acquisition 2 1 3 63 Glossary 1 asynchronous 2 3 Glossary 1 DSO module 2 2 LA module 2 1 MagniVu data 3 83 3 99 mode 3 17 module relationship 2 6 synchronous 2 2 Glossary 8 Active Cursor readout 3 114 Active module Glossary 1 Activity Indicators dialog box 3 26 Add Column dialog box 3 102 Add Data Series dialog box 3 130 Add protocol dialog box 3 146 Add Waveform dialog box 3 89 Address Tektronix xii Advanced clocking 3 9 Aliasing 2 13 Glossary 1 bandwidth filters 3 45 Aligning data 3 69 All samples Glossary 1 Analog multiplexing selecting groups of channels 3 22 selecting individual channels 3 22 signal routing from the logic analyzer 3 23 signal routing to the oscilloscope 3 24 Arm Glossary 1 Tektronix Logic Analzyer Family User Manual arming modules 3 53 indicator 3 1 Assert Glossary 1 Asynchronous acquisition 2 3 Glossary 1 Attenuation Glossary 2 AutoDeskew 3 153 applying analysis results 3 156 AutoDeskew Setup dialog box 3 154 creating a new setup 3 154 data valid windows analysis 3 156 loading setups 3 156 setup and hold violation window analysis 3 156 setup requiremen
23. Figure 2 12 shows how the sample clock rate can affect a logic analyzer waveform Tektronix Logic Analzyer Family User Manual 2 11 Operating Basics 2 12 Signal Resolution and Signal Duration Example 1 Slow sample clock Original waveform Ll 1 Sample clock i i ot t 4 i Displayed waveform l Example 2 Fast sample clock Original waveform L T Sample clock tep arae ora nla alaia iiae papae d kral _ Displayed waveform l Figure 2 12 Logic analyzer sampling resolution There is an important trade off between the resolution of the recorded signal and its duration in terms of elapsed time Because the total number of samples that can be recorded by the logic analyzer is fixed by the depth of the logic analyzer s acquisition memory increasing the sample clock rate provides better signal resolution at the expense of reducing the duration of the captured signal That is a faster sample clock rate will record a smaller portion of the signal but with better resolution or you can trade channels or depth to maintain higher resolution It is important to remember that you have two additional tools for the TLA7Lx Mx Nx Px Qx logic analyzer modules and TLA600 series logic analyzers If you have a TLA7Axx logic analyzer modules or a TLA5000 series logic analyzer you have three
24. Only one signal event is available in a trigger program Anything 0 trigger resources Used as a placeholder Not available with the OR conjunction Nothing 0 trigger resources Used as a placeholder with the OR conjunction Trigger Actions After defining the events in the If event portion of the clause you can select one or more trigger actions to complete the clause Figure 3 30 displays the Clause Definition dialog box with the trigger Resources list box selected Table 3 5 lists the trigger actions available for your trigger program Tektronix Logic Analzyer Family User Manual 3 37 Setup 3 38 Clause Definition LA 1 State 1 1 Group bd j GH yi eal 11010001 Trigger nd Trigger All Modules wait for System Trigger GoTo Inc Counter Reset Counter Start Timer Clear Timer Stop Timer Set Signal Clear Signal Store Samole arm Module 0501 T Add Delete xl Group Radix Event Name optional Help Figure 3 30 Clause Definition dialog box Trigger Actions list box Table 3 5 Trigger actions Action Trigger Trigger All Modules Wait for System Trigger Trigger Main Trigger MagniVu Snapshot Current Sample Go To Description Triggers the current module When you use Trigger in the trigger program you cannot use Trigger All Modules Also known as a System trigger This signal is also available at the Syste
25. Pre Fill 3 39 MagniVu storage rate 3 39 MagniVu trigger position 3 39 trigger position 3 39 position 3 40 3 48 Glossary 9 problems 3 65 program 3 28 Glossary 9 creating your own 3 61 debugging 3 65 loading saved 3 42 saving 3 42 setting clearing signals 3 54 structure 3 31 settings external oscilloscope 3 50 state 3 31 storage qualification 3 39 system 3 51 3 69 Glossary 8 external signal 3 51 Troubleshooting logic analyzer does not trigger 3 65 TSF file formats Glossary 9 U Unassert Glossary 9 URL Tektronix xii V Vertical controls DSO setup 3 45 Viewing glitches 3 104 setup and hold violations 3 104 violations 3 104 Violation 2 14 detecting 2 14 setup and hold 2 14 W Waveform properties overlay 3 93 Waveform data concepts 2 10 Waveform measurements list 3 75 Waveform window Glossary 10 Index 7 Index accelerator keys 3 92 customizing the display 3 91 DSO module 3 71 External Oscilloscope module 3 71 filtering data 3 82 hot keys 3 92 jumping to specific data locations 3 79 LA module 3 71 marks cursors and indicators 3 74 Route from LA dialog box 3 86 Route to DSO dialog box 3 85 routing data from the logic analyzer 3 86 routing data to the DSO 3 85 searching data 3 80 shortcut keys 3 92 splitting the data area 3 91 Waveforms adding 3 89 busforms 3 72 changing height 3 90 changing h
26. RESET 33554437 00050505 C RESET 33554438 00060606 C RESET 33554439 00077070F RESET 33554440 00080808 HALT 33554441 90090909 BUS ERROR J 33554442 OOOAOA0A BACKGROUND WRITE 33554443 OOOROROR R amp CKGROUND READ SEEBRABREELASR ERR RARE EB Figure 3 65 Listing window Reading the Listing Window Indicators Data marks cursors and other indicators help you navigate and identify the data Figure 3 66 and Table 3 19 identify and describe data window marks To move cursors or marks drag the cursor and mark handles Trigger marks and Begin End data marks cannot be moved Tektronix Logic Analzyer Family User Manual 3 95 Listing Window o xi MiA 2 aale ajaj l Yal C1 2097150 C2 2097154 Delta Time 16ns I Lock Delta Time QSTART QSTART Q Start Q St Q Start Sample Address Data Mnemonic Timestamp Begin data mark Data mark bar gt sr Loree EEH EN ee B i C BUS ERROR CCC fine control 2097146 OOFAFAFA BACKGROUND WRITE J W 2037147 OOFBFEFE FEFE C BACKGROUND READ DSSS 2037148 COOFCRCFC FeFe C HALT sa z 2097149 OOFDFDFO FOFO BUS ERROR J _ _ 05 Overview mark bar Cursor 1 2097150 OOFEFEFE FEFE C BACKGROUND WRITE SCS i tiri 2097182 00000000 0000 CRESET J a E coarse control System trigger Eri 73 aOOLOLOL wr Cursor 2 gt Eb
27. Search dialog box see Figure 3 68 to search for specific data within the current Listing window Searches are specific to the selected data source Searches begin at the active cursor unless you specify another cursor or mark to begin the search Click the search icon to open the Define Search dialog box and fill out the search conditions Alternatively you can select and load a search definition from the Search Definition drop down list You can also load a search definition from any saved system 10 x aS ee sels al Al vi EAE Search ael You can search any data source available to the current data window and you can search any number of data sources at the same time All data sources begin searching at the same point The search ends when the number of occurrences specified is found The active cursor moves to the point where the search is successful Alternatively you can use the Search Options dialog box and set up the logic analyzer to create a unique mark when the search is successful For additional searches of the same event click the Search Forward and Search Back arrow buttons in the toolbar on either side of the search icon axl Search Definition Jlistngi search f Start from Current cursor 7 and find fi occurance Description PT Search lars Find CKO croup hd cko x P lt n when present o OK Cancel lt lt Search Back Search Fwd gt gt Load Help Figure 3 68 Defining
28. Stacks ATM_UNI EthernetB ased PPPBased Search Hest Cancel Help Figure 3 89 Select Stack dialog box Enter a search string in the Search field to find a certain stack Click Next to search the list for more stacks that match the search string When you have reached the end of the list the search will be continued from the beginning Select the stack and click OK to apply the stack to the current acquisition Filtering Protocol Display The Protocol Filter Setup dialog box allows you to selectively filter specific packets from the acquired data You can choose to filter all packets based on the protocols and their fields To access the Filter Setup dialog box place the cursor in the Protocol window and Select Filter Setup from the Data menu Use this dialog box to define operations and values for the filter By default the filter is not enabled To enable the filter select the Enable Filter check box Tektronix Logic Analzyer Family User Manual 3 137 Protocol Window This dialog box contains all the Filter Options Fields Operation Value and Format You can select an item from the Fields identify the Operation and specify the Value and the Format See Figure 3 90 The Protocol drop down list contains all the protocols in the stack When you select a protocol its fields are listed under Fields When you select an item from the Fields its value if any is displayed in the Predefined Values Y
29. Stop or until it fulfills the stop conditions You can use Repetitive mode as follows m To observe the same waveform or listing for a period of time To stop after a set number of acquisitions for a period of time and look for differences Tektronix Logic Analzyer Family User Manual 3 63 Acquisition After each acquisition you can have the logic analyzer do the following tasks m Save the system or module setups and data Export the data to separate files or overwrite the same file m Compare the acquisition data against data in another LA module or a saved LA module file m Open a file or execute a set of defined tasks after the acquisition is complete For example you can execute a command such as sending email or paging you that the logic analyzer has stopped Select Repetitive Properties from the System menu to select the different options for the Repetitive mode Figure 3 43 shows an example of the Repetitive Properties dialog box NOTE You can minimize the time between acquisitions by specifying compare conditions under the LA Setup window deleting not just minimizing all data windows and then starting the logic analyzer When the logic analyzer fulfills the compare conditions you can create a new data window with the New Data Window wizard to view the data Repetitive Properties x After Each Acquisition Save Save Module and Data from fa 1 x To File C My Documents test2 Browse C
30. User Manual Operating Basics Logic Analyzer A logic analyzer waveform appears to have zero length rise and fall times This Waveforms Versus is because the logic analyzer is recreating the waveform from the samples stored Oscilloscope Waveforms in its memory which are either ones or zeros No electronic signal is perfectly digital in nature there is always some analog component Consider a fast rising pulse with ringing on the front edge or glitches that can occur in a noisy circuit If you suspect problems caused by analog signal characteristics such as signal voltages higher or lower than specified voltage levels or slow transition times use the iView external oscilloscope to observe the voltage characteristics of the signal Figure 2 11 shows where the oscilloscope captured a runt pulse that was below the logic analyzer s threshold fan FF Analysis 2 8 HESE ala f gt Time Div 10ns 7 suu m C1 4 88 ns C2 2 887ns Delta Time 2ns a My DSO FF_Q OUT C1 416 1m C2 1 4087 Delta 991 9mv Figure 2 11 Using the iView external oscilloscope to capture a runt pulse Sampling Resolution The accuracy of the waveform depends on the sample clock rate used to record the incoming signals This is due to the fact that the waveform recreated by the logic analyzer is based on the sampled signals stored in its memory If the sample clock rate is too slow the recorded data will produce an inaccurate display
31. User Manual 3 147 Protocol Designer Use Unconditional to specify that the protocol defined as on top of is to maintain all protocol data without restriction Use Single Parameter if you want the current protocol to only receive data if a certain parameter of the carrier protocol accepts one or more values Enter the exact condition in the Name and Value fields Use Raw Data as a condition for transfer of the protocol data by enter the values of the data frame to be checked in the Byte offset Value and Bit offset fields Protocol Setup Protocol Designer xj Protocol Relations Available Protocols Current Relations ATM_NNI ATM_NNI Up Down Conditional Parameter Type of Relation Unconditional Neer z Single Parameter Value C Raw Data Cancel poly Help Figure 3 96 Relations tab 3 148 Tektronix Logic Analzyer Family User Manual ee A E iVerify The iVerify tool allows you to generate eye diagrams or voltage time graphs for a group of channels or an individual channel The iVerify window contains the Eye Diagram View and the Measurement Information View as well as time and voltage settings See Figure 3 97 Use the controls in the iVerify window to set up iVerify and to analyze display and perform measurements on the eye diagrams fei erify LA 1 fE H m a Highlight None Analyze settings Upper Le
32. acquire their posttrigger data regardless of whether they have been armed or have fulfilled their own trigger conditions The system trigger also functions as the primary reference point for the entire data acquisition In data windows timing and location information is relative to the system trigger Tektronix Logic Analzyer Family User Manual Glossary System under test SUT The logic analyzer connects to the the system under test through probes Also known as target system or DUT device under test Target system Another name for the system under test The logic analyzer connects to the the target system through probes Logic analyzer probes and DSO probes acquire data from the target system Pattern generator probes send signals to the target system Time correlation Tracking independent events captured by different modules and indicating how they relate to each other in time Specifically the chronological interleaving of data from different modules into a single display Shows real time interactions between independently clocked circuits Time stamp A separate clock value stored with each acquisition cycle Threshold voltage The voltage to which the input signals are compared Trigger An event or condition that leads to the end of an acquisition cycle When started the instrument continuously acquires data from a system under test until the trigger occurs After triggering the instrument continues to acquire data unt
33. an acquisition the logic analyzer begins sampling data from the probes Then each time a sample clock occurs data is sampled Sampled data is sent to the trigger functional block and to the main memory Triggering and Storage The trigger program looks at sampled data for specific events and then takes a Qualification specified action The trigger program can look for events such as data values data ranges or signals from another module You can also use internal counters to trigger when the counter reaches a specified value When the trigger condition is satisfied the logic analyzer enables a post trigger delay counter to allow the post trigger portion of the acquisition memory to fill before stopping acquisition You can also indicate a prefill portion of acquisition memory that must be met before the trigger state machine can store post trigger data The trigger function block includes storage qualification that looks at sampled data If the storage conditions are met a storage qualifier signal enables sampled data to pass into the acquisition memory as qualified data Any unqualified data samples are excluded Tektronix Logic Analzyer Family User Manual 2 3 Operating Basics Storing Data in Memory The acquisition memory works like a circular buffer storing every qualified data sample until the entire memory is full After that each new data sample overwrites the oldest existing sample This process continues until the trigger
34. analog outputs to which you want them assigned Setting up iConnect involves specifying signal routing between the logic analyzer and the external oscillo scope iConnect Analog Feeds 2 x Physical Module Analog Output Attenuation 10 Attenuation 2 5 to 5 0 input range Help SX Attenuation 1 5 to 2 5 input range r Select Charmel s Assign To m Curent Routing Es Group 7 Analog Output Analog Feed Destination CH1 CH1 CKO None CH2 CH2 A37 are CH3 CH2 A36 is CH4 CH4 A315 Shores System Inter prabing r Analog Feed Cycling Bo F cH2 lt lt lt gt gt gt Bo I Ha J7 Exclude channels assigned to unchecked outputs Figure 3 17 iConnect dialog box Tektronix Logic Analzyer Family User Manual 3 21 Setup The iConnect dialog box controls which digital data signals via the probed channels on which they reside are assigned to each analog output In addition you can specify an attenuation level based on the amplitude of the signals being assigned You can also choose the manner in which digital channels are displayed by group probe or name Selecting individual channels After you have chosen a digital channel to output you can assign it to an analog output channel by clicking a channel button under Assign To You can confirm that the digital signal was correctly routed by reviewing the analog feed assignment information under Current Rout
35. changing the color of the Run or Stop buttons or hiding the Status bar Use the Presets tab to view and modify preset names and values such as probe threshold voltages and DSO vertical range or vertical offset values Use the Start Up tab to select which system setup such as a previous system or a saved system setup to open after you power on the logic analyzer Use the System Source Files tab to define the location of source files and suffixes used to create new Source windows Tektronix Logic Analzyer Family User Manual 3 61 Setup Menu Shortcut Keys You can use the shortcut keys listed in Table 3 11 to manipulate menus and edit windows You should also refer to the discussions of short cut keys in the online help or under the section for the individual data windows Table 3 11 Menu shortcut keys Desired action Key combination File menu CTRL D CTRL O CTRL S CTRL P Return system to the default setups Load a saved system Save a system setup Print the active window Edit menu CTRL X CTRL C Cut a selected item to the clipboard Copy a selected item to the clipboard Paste items from the clipboard CTRL V Undo edit CTRL Z Data menu Search backward CTRL B Search forward CTRL F System menu Display the Status Monitor CTRL M Run or Stop CTRL R Window menu Create a new data window CTRL N System F9 Next Setup F10 Next Trigger F11 Next Data F12 3 62 Tektronix Logic Analzyer Fami
36. click the Analyze button to begin analyzing the data NOTE You need to provide information in the Channels Clock and Qualifier and Analysis Configuration tabs before viewing the Inter Probing tab This is because the optimum analog routing information contained in the Inter Probing tab depends upon the information contained in these tabs If the setup that you have specified is physically invalid the system displays an error message The Channels tab allows you to select both the channels that you want to analyze and the channel data that will display in the eye diagram You can list channels by group by probe or by name When you click the Analyze button the analysis will be performed on the selected channels or groups By default when you select an Analyze check box the system automatically selects the related Show check box for you Use the Clock and Qualifier tab to set up the clock channel and qualifier channel and the edge that will be routed to the oscilloscope for analysis Any of the channels displayed can be selected as a clock channel or qualifier Tektronix Logic Analzyer Family User Manual iVerify Analysis Configuration Tab Inter Probing Tab Use the Analysis tab to select the necessary settings for the external oscilloscope that will be used for analysis This tab allows you to set up the time and voltage settings the time limit for analysis and the external oscilloscope acquisition mode The Inter Pr
37. clocking is 1 25 GB s External 4X clocking mode is a double data rate DDR clocking mode which means that the two acquisition samples are taken per clock cycle This means that the data rate of the acquisition is double the rate of the clock signal that is driving it You can access advanced 4X clocking functionality by clicking the More button The 4X Clocking dialog box allows you to select the active clock edge and to align data in relation to the specified clock edge for each channel group Each channel group may be assigned a second edge delay to skew the second data capture in relation to the first The Setup Hold window graphic illustrates your clock edge and data alignment settings Source Synchronous Clocking Available in TLA7Axx logic analyzer modules and TLA5000 series logic analyzers Source Synchronous clocking sends a strobe signal with the data signal The data is then synchronized with the strobe signal instead of the clock signal The sending device is responsible for synchronizing the data with the strobe signal the receiving device is responsible for latching the data inside of itself and for resynchronizing the data with the clocking state machine CSM heartbeat clock This type of clocking is best used for state analysis when you want to see the data signal in relation to the CSM heartbeat clock You can access advanced source synchronous clocking functionality by clicking the More button The Source Synchronous Clock
38. collection of predefined trigger programs for the LA module You can load an individual program into the Trigger window and modify it for your requirements Edge A signal transition from low to high or high to low Edge trigger Triggering that occurs when the module detects the source passing through a specified voltage level in a specified direction the trigger slope Event condition Event conditions are a logical combination of trigger events within a single clause If you set up a logical AND statement all event conditions in the clause must be fulfilled before the clause can execute the action If you set up a logical OR statement any one of the event conditions can be fulfilled before the clause can execute the action External clock A clock external to the logic analyzer and usually synchronous with the system under test External oscilloscope An oscilloscope connected to the logic analyzer through the iView cable The logic analyzer can display the external oscilloscope data in a data window Internal signal An internal communication line that can be set as a marker An internal signal can be used as either an event or an action in a trigger program When used as an event the internal signal is tested for true false value like any other event when used as an action the signal can simply be set or cleared as the result of a condition being satisfied Tektronix Logic Analzyer Family User Manual Glossary Glitch An
39. comparing data to reference data you can highlight data that is equal to or not equal to the reference data NOTE Before you can display compare data you must define the compare parameters in the Define Compare dialog box in the LA Setup window Refer to Data Compare beginning on page 3 5 for information on setting up the compare parameters The following steps describe how to display compare data in the Listing window 1 Open a Listing window and click the Properties toolbar button 2 Select the Listing Window tab 3 Select Show Compare and select one of the colors to indicate when data does not equal the reference data Acq Ref See Figure 3 69 4 Ifyou want to highlight data that does equal the reference data select Acq Ref and the appropriate color 5 Click OK The data differences or equalities will be highlighted in colors you specified similar to Figure 3 70 NOTE For more information on comparing data refer to Guidelines for Memory Compare on page 3 7 3 100 Tektronix Logic Analzyer Family User Manual Listing Window Properties Listing 1 About Data Listing Window Column Marks Disassembly Show Compare Viclations M Acq Ref a T Acq Ret Background Color Scheme Dak on Light Cancel Apply Data Fort Size 8 7 NOTE Compare results can not be shown for channel groups generated by a disassembler To see compare results be sur
40. contain LA single channel DSO external and sample clock waveforms oix 2E 6 Hae ae A Timen poos A wy al C1 230r3 Ez f180ns E Delta Time 410ns 7 Lock Delta Time LA 1 A3 3 Overlay fr TDS3012 Channeli i LA 1 A33 Figure 3 63 Example of an overlay waveform Overlay Waveform The waveform properties tab displays overlay waveform properties when you Properties double click the label of an overlay waveform group in the Waveform properties tab The following properties are associated with overlay waveforms m Waveform lists the label that displays in the Waveform window You can select a different waveform from the list The list contains the names of all waveforms in the active window The initial waveform is the selected waveform or the first waveform if no waveform is selected The list box is empty if multiple waveforms are selected m Overlay Waveform Name permits you to rename overlay waveforms m Height controls the height of the waveform Height can range from 10 to 500 pixels The default height of an LA waveform is 18 pixels the default height of a DSO waveform or external oscilloscope waveform is 60 pixels Tektronix Logic Analzyer Family User Manual 3 93 Waveform Window 3 94 Properties Waveform 1 E 2 x About Data Waveform Window Waveform Marks Waveform Overlay tral bi Height fizo a Overlay Waveform Name JOverlaywhnt p Waveforms Available Overlay Waveforms Ov
41. data from the acquisition m Listing and DSO voltage measurement from a Listing window m A range of listing data between two selected marks m A range of listing data between two samples Tektronix Logic Analzyer Family User Manual 3 105 Listing Window 3 106 Exporting Data to a Text File If you want to export data to a text file click Options to define the format of the data in the Export Data Options dialog box see Figure 3 73 The data is saved in a text file with the txt file name extension Export Data Options 3 Field Delimiter Space Tab Comma C Semicolon M Include Column Headers Use Enhanced Column Headers jy Include Unit Characters I Fixed Radix Decimal Figure 3 73 Export Data Options dialog box Use the Export Data Options dialog box to customize the listing data for a text file You can specify the field delimiter to separate the listing columns You can also specify whether measurement units will be included with the data If you export the data without unit characters the time stamp values are in picoseconds and the DSO values are listed in volts You can also export the listing data as a binary file with a tbf TLA700 Binary Format file name extension This option is only available if the data window is from a single data source You can export any data that appears in a Listing window including DSO and MagniVu data This option is useful when you write applications that
42. event is found and the post trigger delay counter reaches the specified value based on the trigger position selection which stops acquisition During acquisition you can monitor the progress of the data storage process using the Status Monitor After storing the data you can display the acquired data in the Listing or Waveform data windows iView External Oscilloscope The logic analyzer can connect to an external oscilloscope through a special cable from the logic analyzer to the GPIB port of the oscilloscope The logic analyzer transfers setup information and data between the logic analyzer and oscilloscope Use the oscilloscope to acquire the data through the oscilloscope probes and input circuitry The logic analyzer can then display the oscilloscope data in one of the display windows Pattern Generator Module 2 4 The pattern generator module adds pattern generator capability to the logic analyzer You can generate specific data patterns to a target system and then use the logic analyzer to evaluate the resultant data from the target system The pattern generator module functionality can be divided into blocks as shown in Figure 2 4 Refer to the figure as you read about the functional blocks System clock Event amp Inhibit data Probes gt Data to target system External clock Figure 2 4 Block diagram of the pattern generator module Tektronix Logic Analzyer Family User Manual Operating Basics
43. file name does not have a suffix then suffixes from the suffix list are tried until a match is found or all file path and suffix combinations are exhausted Properties Qstart Src E 2 x About Data Source Window Source Files Data Marks m Modify Source Files Search Conditions Search Path List Suffix List C Program Files TLA 70045 amples TLA700 amples Source Files C SMy Dacuments FilePathList txt Path Path File Edit Delete Save settings as application defaults OK Cancel Apply Help Figure 3 79 Source Files property page The search path list can also contain a path to a file that lists search paths path file When you add a new entry to the search path list by clicking the Add button you can specify that the entry is a file that lists directory paths see Figure 3 80 The path file must already exist when you add it to the list The paths in the file will be interpreted just as if the paths were specified in the property page Tektronix Logic Analzyer Family User Manual 3 117 Source Window 3 118 Modify Search Path List 2 Directory Path File containing list of directory paths Enter path to text file B y Documents FilePathList tat AREEN Cancel Help Figure 3 80 Modify Search Path list dialog box You can intermix paths and path files in the property sheet Each entry is prefixed with either Path or Path File to ind
44. for specific applications You can have multiple data windows to display different data or different views of the same data T AIA lt l 108 Search EE c1 33554430 ce b3s54434 DeltaTime fi ns 4 Lock Delta Time OSTART OSTART 33554425 Oorororo Foro BUS ERROR 33554426 OOFAFAFA FAFA BACKGROUND WRITE p 33554427 O0FBFBFB FBFE AC 33554428 LOOrCrCrc FeFe HAL o x 33554429 OOFDFDFD s n 33554430 Oorerere rere Ele Aee E Timez poops Bale th Search El 4g 00 F BAC 33554432 00000000 C1 540ps C2 fi 55ns a Delta Time 2 09ns F Lock Delta Time 335544 GOGLOLOL 01 RES oe ENEE C RE QSTART Misc Cl 1F C2 00 Delta 1F 33554436 00040404 33554437 00050505 33554438 00060606 0606 4 dagnivu DataSize QSTART Magni u Misc QSTART Sample ISTART Address OSTART Data QSTART Control ISTART DataSize QSTART Misc p 4 r a SSS ee Figure 3 44 The Listing and Waveform windows Setup window and data window controls act independently of one another Controls in the Setup windows affect how the modules acquire data Controls in the data windows affect how the acquired data is displayed Tektronix Logic Analzyer Family User Manual 3 67 Display Opening an Existing Data Window The System window shows the relationship between the modules and the data windows To open a data win
45. in a circuit but do not know the signal amplitude or frequency Autoset automatically chooses the DSO setup values based on the input signal at the time you clicked the Autoset button Autoset works best on repetitive signals that do not have a DC offset component If the Autoset setup does not display the waveform as you want it you can easily change the setup manually To set the input values based on the input signal 1 From the System window click the DSO Setup button 2 Click the Autoset button from any tab in the DSO Setup window The Autoset selections apply to all input channels the horizontal setup and the trigger setup regardless of which Autoset button was clicked 3 Ifthe signal changes or you move the probe to another signal click Autoset again to reset the setup values Tektronix Logic Analzyer Family User Manual Setup Autoset affects only the DSO setup it does not affect data window settings You may need to adjust data window settings for optimum display of the data Vertical Controls Use the vertical controls to adjust vertical input voltage parameters See Figure 3 32 To open the page containing the vertical controls from the System window click the DSO Setup button and then select one of the Channel tabs For best vertical resolution set the range just slightly larger than the expected input signal Autoset automatically sets the vertical range for the signal assuming a 0 VDC offset Offset
46. internal signals After the modules have captured and stored data you can view the data in a Listing or Waveform window All data is time correlated in the display regardless of its source Due to the precise time stamp information stored with the data and the tightly integrated communications between modules the logic analyzer interleaves data acquired from various sources Because time stamp information is always stored with the data you can also compare saved data and current data with no loss of accuracy MagniVu data is also time correlated with regular data Because MagniVu data is always present you can easily compare a normal acquisition with the MagniVu counterpart Listing Data Concepts In many cases you will use the logic analyzer to observe the data flow in the target system The data recorded by the logic analyzer can be displayed in a listing format as shown in Figure 2 6 Listing data is a table of sequential operations performed by the target system In the Listing window each data sample is displayed sequentially Because each data sample includes time stamp information it is a straightforward process to display acquisitions from multiple data sources Samples from all specified data sources are interleaved in chronological order For clarity each line in the table represents a single data sample from a single data source 2 6 Tektronix Logic Analzyer Family User Manual Operating Basics You control the pre
47. is read from the source file and applied to each symbol in the file as it is loaded If you select Custom Offset you can add or subtract the specified offset value to each symbol in the file as it is loaded You can choose any 32 bit hexadecimal value from 0 to FFFFFFFF When you enter bound values enter the values without an offset value If your application adds an offset you must subtract the offset value before you enter the bound values 2 26 Tektronix Logic Analzyer Family User Manual ee Ae Reference Setup The System Window The System window gives an overview of the logic analyzer configuration arming and triggering relationships The System window also indicates whether logic analyzer modules are merged and whether an external oscilloscope has been set up See Figure 3 1 A black arrow from one module to another indicates that one module is set up to arm another Figure 3 1 shows the merged logic analyzer module arming the oscilloscope module A module that is programmed to cause a system trigger has an indicator symbol on the right edge of the module graphic Overlapped icons indicating Arm indicator System trigger indicator merged modules gasvstem 7 ioi Mainframe temal Logit Digital External es dine 3 6 Opies sY Slets 7 8 Src 0n SE 3 0n as 2 80n BS 3 off Setup aS Soff Set R OOff Setup g a1 oso i rosa012 Em Listing 1 Waveform 1 Data source indicator Figure 3 1 System window You can
48. oO x 2 8 as E E oh e fH gt Time Div 200ns x pa fire C2 50ns Delta Time 50ns Figure 2 21 Waveforms using pattern symbols Range Symbols Range symbols define a range of 32 bit addresses represented by a contiguous set of integers marked by specific lower and upper bounds The different types of range symbols are discussed in detail in Appendix B TLA Sym bol File Format When defining a range symbol file do not overlap ranges of values If ranges overlap they may not be recognized For example if SYM1 covers the range 1000 3FFF and SYM2 covers 2000 2FFF then the values in range 2000 2FFF may be recognized as either SYM1 or SYM2 and the values in the range 3000 3FFF may not be recognized as SYM1 at all The range symbols shown in Figure 2 22 define subroutine boundaries 2 22 Tektronix Logic Analzyer Family User Manual Operating Basics M Listing 1 _ oy x ul ES adle ajaj 4 oh q 2 Ee ee Sc Si ee Sc Si Ny encao ENEE oo a CAPTURE DATA 3588 4ED0 8FC6 CAPTURE DATA 3584 4lF8 SFC CAPTURE DATA 41C8 205F 8FC3 CAPTURE DATA 41CA 508F 8FC7 FORMATTER 138 0060 AFCF FORMATTER 134 8674 AFCF CAPTURE DATA 41CC 4ED0 8FC4 CAPTURE DATA 41CE 2F07 8FC DISPLAY BUF 674 B086 8FC3 Figure 2 22 Listing data using range symbols Symbols Dialog Box Use the Symbols dialog box to provide an overview of all currently loaded symbol files see Figure 2 23
49. or Clear in a trigger program The Set or Clear Signal is mutually exclusive with the Arm Module action Arm Module Sends an Arm signal to another module The other module begins running its trigger program You can arm only one module in a trigger program However you can use actions throughout the trigger program Arm Module is mutually exclusive with Set and Clear Signal actions Store Sample Stores exactly one sample Not available in Start Stop storage mode Start amp Stop Storing Begins or ends storing of samples Start and Stop Storing actions only appear when you select Start Stop storage mode Use Start and Stop Storing in conjunction with Start Stop storage mode in the Trigger window Available only in Start Stop storage mode Do Nothing Use as a placeholder when defining a complicated trigger program Does not override other actions specified in a clause Don t Store Available on TLA7Axx logic analyzer modules and TLA5000 series logic analyzers does not store this sample Not available in Start Stop storage mode Other Trigger Options From the Trigger window you can also make data storage and trigger position selections In TLA7Axx logic analyzer modules and TLAS000 series logic analyzers you have additional selections available for MagniVu storage rate MagniVu trigger position and Force Main Prefill Use the storage selections to avoid filling up the acquisition memory with data samples that do not interest you Yo
50. or the first cycle in the gated region expressed in volt seconds The area above the common reference point is positive and the area below the common reference point is negative This voltage measurement is the arithmetic mean over the first cycle in the waveform or the first cycle in the gated region This voltage measurement is the true Root Mean Square voltage over the first cycle in the waveform or the first cycle in the gated region This timing measurement is the duration of a burst and is measured over the entire waveform or gated region Table 3 15 Waveform reference levels Reference Level High Reference Mid Reference Low Reference Description This defines the high reference level of a waveform the default level is 90 This reference level is used with the Low Reference level in the calculation of rise and fall times This defines the middle reference level of a waveform the default value is 50 This reference value is primarily used for making measurements between edges such as pulse widths This defines the low reference level of a waveform the default level is 10 This reference level is used with the High Reference level in the calculation of rise and fall times The waveform shown in Figure 3 52 illustrates automatic waveform measure ments that display within the Waveform window Tektronix Logic Analzyer Family User Manual Waveform Window ipl EALA pE ESL a 00 timerDie zoos A BIER I C
51. require binary data It is also faster than exporting an ASCII file and the file size is often smaller Binary Export File Format The logic analyzer binary data is exported as a stream of bytes with the following characteristics m The binary data uses big endian fields the most significant bit is the left most bit Each group column field is zero padded on the most significant end to the nearest byte m Sample numbers and mnemonics groups are not exported Tektronix Logic Analzyer Family User Manual Listing Window Time stamp data is seven bytes wide and represents the number of picosec onds since the start of the acquisition The left most column in the Listing window display corresponds to the first exported field of a sample The first sample in the Listing window appears at the beginning of the exported file MagniVu data follows the same guidelines as regular listing data DSO Module Binary Export File Format The DSO module binary data when used in a Listing window is exported as a stream of bytes with the following characteristics The binary data uses little endian fields the most significant bit is the right most bit Each channel field is a 16 bit value Sample numbers mnemonics groups and time stamp values are not exported The left most column in the Listing window display corresponds to the first exported field of a sample The first sample in the Listing window appears at the beginning o
52. saved system Ep Ee E Timeydiv Sons e BBL tt gt Search 3 80 You can search any data source available to the current data window and you can search any number of data sources at the same time All data sources begin searching at the same point The search ends when the number of occurrences specified is found The active cursor moves to the point where the search is successful Alternatively you can use the Search Options dialog box and set up the logic analyzer to create a unique mark when the search is successful For additional searches of the same event click the Search Forward and Search Back arrow buttons in the toolbar on either side of the search icon Tektronix Logic Analzyer Family User Manual Waveform Window x Search Definition Waveform 1 Search x Start from Current Cursor and find 1 occurance Search Options Description l m Search Jiasi z Find 43 5 AND CKO gt channel ai Jase x ea croup E cko x x E3 When Figure 3 54 Defining search criteria Clicking in the Search text box will activate a blue arrow icon Place your cursor over the icon to activate the shortcut edit menu Hidden data or suppressed samples cannot be found by the search function For example if you turn off a waveform in the Waveform properties tab by deselect ing Show Waveform the search function cannot search for that waveform data Figure 3 55
53. search criteria 3 98 Tektronix Logic Analzyer Family User Manual Listing Window Filtering Data MagniVu Data Clicking in the Search text box will activate a blue arrow icon Place your cursor over the icon to activate the shortcut edit menu Alternatively you can right click in the Search text box to activate the context menu Hidden data cannot be found by the search function For example if you turn off a column display in the Column properties page by deselecting Show Column you cannot search for data in that column Similarly suppressed data cannot be found by the search function suppressed data in the listing window can be identified by gaps in sequence numbers You can unsuppress data and then use the search function as long as the data is in memory However you cannot unsuppress data in setups that you save using the Save only Unsuppressed Data from the Save As dialog box Use data filters to display only the data you are interested in You can create filters to hide specific data show specific data or to color data When you apply a filter to a Listing window the filter name is appended to the column header for example LA1 FilterA A3 indicates that FilterA is attached to the A3 channel group of module LA1 To display filtered data in a Listing window with a defined filter select a column label and do one of the following m Click the Data menu and select Display Filtered and then select the filter m
54. shows a waveform window with suppressed samples indicated by dashes If you try to search for suppressed data the instrument will skip over the suppressed area and search for visible data If the suppressed data is still in memory you can unsuppress the data right click the mouse click Define Suppression click Show All acquired samples in the dialog box and then click OK to close the dialog box You can then search for the data Tektronix Logic Analzyer Family User Manual 3 81 Waveform Window Filtering Data 3 82 25 Waveform 1 Of SE F EE AE th Time pons a ele fee C1 Ans EX B0ns z Delta Time fiEdne z LA 1 CKO C11 c20 Delta 1 m p g LA 1 Sample etre ani I upana niha n ra LA 1 CKO mre ma ma Ih TAT Mon Ad Figure 3 55 Suppressed samples in a Waveform window Be aware however that you cannot unsuppress samples from a saved setup where you selected Save only Unsuppressed Data in the Save As dialog box You can use data filters to display only the data you are interested in You can create filters to hide specific data show specific data or to color data When you apply a filter to a Waveform window the filter name is appended to the waveform label for example LA1 FilterA A3 indicates that FilterA is attached to the A3 channel group of module LA1 To display filtered data in a Waveform window with a defined filter select a waveform label and do one of the followi
55. the Hit Frequen cy toolbar button to turn the hit frequency on and off Tektronix Logic Analzyer Family User Manual SSS Lae Protocol Window The Protocol window supports protocol decoding across multiple levels of the stack The Protocol window has three panes Packet View Decode View and Hex View See Figure 3 88 Use the Protocol window to view and evaluate acquisition data To open a new Protocol window from the Window menu click New Data Window and select Protocol from the list Then follow the instructions in the wizard to create a new protocol window oix a 4 ele al a Al S A e elle c1 0 caf l Delta Time f I Lock Delta Time Packet View Packet Times tamp Layer 1 Layer 2 Laye 51 375 ns ATM_NNI 57 ons ATM_NNI z ATM MNT Di e7 4196 ne Fields Comment or Value E ATM_NNI CATM_NNT A11 Identifiers VPI l oa l i i PAYLOAD TYPE 7 I rT Hex View o o o7 08 09 on oc fE os 00 Oo for ac for e oL_ oo joe m je a eo E o T a o x a m o o o 4 I m Figure 3 88 Protocol window When you create a new Protocol window using the New Protocol window wizard you have the option of using an existing bus defining a bus by either modifying an existing bus or creating a new one When you select Define Bus in the New Protocol window wizard the Select Bus page allows you to select or define a bus Refe
56. the arming feature Intermodule and External Signaling The logic analyzer has four internal signals that you can use to set up trigger conditions between modules or to send or receive signals external to the logic analyzer Use the Signals tab shown in Figure 3 38 in conjunction with the module trigger programs to configure these signals for your application The trigger programs determine when the signals occur The Signals tab specifies characteristics of the signals NOTE Observe the bandwidth and latency specifications when using internal and external signals To configure signals for your application from the System menu click System Configuration and then click the Signals tab System Configuration E 2 x Signals Merge Modules External Signal lh r intemal Signals Connect External Signal input to internal y f f p signal Select logic function for internal signals wired OR wired AND None X Signal 1 High Speed One source only Low TRUE Eoded Signal 2 High Speed One source only Connect External Signal output to T internal signal Signal 3 z gt N me Signal 4 zm I Low TRUE m System Trigger In Out Connectors System Trigger Out Enabled Note The System Trigger In Out connectors can be enabled or disabled from the System Trigger System TriggerIn Enabled item of the System menu Cancel Apply Help Figure 3 38 Signals property page 3 54 Tektron
57. the clock edge while negative values represent times after the clock edge In the AutoDeskew Manual mode the start and end times are applied to all analysis channels and cannot be adjusted on a per channel basis In the Custom mode these controls are disabled However the individual values show the aggregate analysis range over all channels specified in the loaded custom setting Use the Analysis Quality options to control the amount of time that AutoDeskew uses to perform the data valid window analysis The number of acquisition samples that are examined depends on the AutoDeskew clock setting In AutoDeskew Manual mode using one clock the number of acquisition samples examined corresponds to the number of clock edges In the Custom mode the clocking can be very complex such that the number of acquisition samples does not necessarily correspond to simply looking at a single clock edge The Setup Hold Violation Window group box includes the Start and End controls that specify the setup and hold violation window analysis range for all channels Use the Stop Analysis Condition options to specify when to stop the analysis Select Run until user stop to let the analysis to continue until you click the Abort button in the progress dialog box Tektronix Logic Analzyer Family User Manual 3 155 AutoDeskew AutoDeskew Modes Data Valid Window Analysis Mode Setup and Hold Violation Window Analysis Mode You can choose one of two analysis
58. the module Tektronix Logic Analzyer Family User Manual Setup NOTE An error message displays when you are loading a setup file that contains a module self trigger that will overwrite the existing system trigger setup If you want to keep your current system level triggering click Yes Otherwise click No Creating a Personalized Trigger folder To create your own list of trigger programs follow these steps DAL IRA GE Ae oe a Create a folder in a convenient location Go to the Trigger window containing the trigger program you want to save Go to the File menu and select Save Module As In the Save As dialog box navigate to your trigger program folder Name the new file and use the Comment box to enter descriptive comments Make sure that Save Acquired Data is not selected Click Save Loading Default Settings To return the logic analyzer to its default condition go to the File menu and click Default System System Options The logic analyzer provides several property pages where you can set or change system options To access the system options select Options from the System menu and choose the property page you are interested in Use the Color tab to create remove and modify color schemes Use the Defaults tab to specify the defaults throughout the application The settings you enter will be the default settings when you create new data windows Use the Preference tab to specify user preferences such as
59. to form the overlay When the Add Overlay Waveform Name dialog box appears enter a name for the waveform or use the default name For more information about creating overlay waveforms or removing a waveform from an overlay waveform refer to the online help Tektronix Logic Analzyer Family User Manual ae ae Listing Window Use the Listing window to view and evaluate acquisition data Data is presented as tabular text in columns that represent channel groups Other columns are sample numbers and time stamp values See Figure 3 65 This window displays the amount of data you specified in Setup and Trigger windows Each row in the table consists of data sampled on one acquisition cycle and is assigned a sample number Sample numbers are relative to the beginning of memory 15 x fl eel cele AJA xe 4 th Search Alal C1 23554430 C2 33554434 Delta Time fens I Lock Delta Time QSTART QSTART g start Q stel Q start Sample address Data Mnemonic Timestamp 33554421 OOFSF5FS 33554422 QOFGFGFG 33554423 QQF7F7F7 33554424 QQF8BF8F8 33554425 OOFSFOFS BUS ERROR 33554426 OOFAFAFA BACKGROUND WRITE 33554427 OOFBFBEB BACKGROUND READ 33554428 C HALT J 33554429 OOFDFDED ASDUSZERRCA A 33554430 OOFEFEFE Se OOFFFFFF BACKGROUND READ 33554432 00000000 RESET 335544 oooLOLOL OL C RESET 33554434 00020202 C RESET 33554435 00030303 RESET 33554436 00040404 C
60. use the System window as a quick navigation tool To open a module Setup Trigger or Program window from the System window click the Setup or Trigger button in the module icon To open a data window from the System window click the data window icon Tektronix Logic Analzyer Family User Manual 3 1 Setup If you are not using a module you can disable it by clicking the module On Off button When you disable a module make sure that no other trigger programs depend on that module output You can rename the windows by selecting the current window labels and overtyping Names must be unique and are limited to the space available If you are unsure which physical module is represented by an icon double click the icon to open its System Properties tab This property tab lists information about the module including the mainframe slot numbers in which it is installed Slot numbers are indicated on the mainframe Setting Up the LA Module 3 2 The primary function of the Setup window see Figure 3 2 is to configure the logic analyzer for compatibility with the target system This is where you specify channel groups set thresholds and select the sample clock rate Additional selections configure the logic analyzer for best compatibility with the type of data you want to acquire Before you acquire and display data you must first set up the logic analyzer using the Setup and Trigger windows Together these windows determine
61. z PSDL_SEQUENCE r Figure 3 93 Protocol Editor and Compilation Result Panes Tektronix Logic Analzyer Family User Manual Protocol Designer Stack Definition Pane The Stack Definition pane allows you to create or modify protocol stacks and the relations between protocols in the stack The Stack Definition pane allows you to open edit and save protocol stacks as well as add and delete protocols to a stack You can also define and modify relations between the protocols in a stack You can only open one stack file at a time in the Stack Definition Pane Stack Protocol Information Pane Directly below the Stack Definition pane is the Stack Protocol Information pane It displays the properties of the selected protocol including name description compile file name with data and time source file name with data and time type of relation and relation parameters Stack Definition AT M_NNI 7 Last Compiled Date June 2 Last Saved Date June 2 Relations on top of ATM_NNI A Figure 3 94 Stack Definition and Stack Protocol Information panes Tektronix Logic Analzyer Family User Manual 3 145 Protocol Designer Add Protocol Dialog Box The Add protocol dialog box allows you to add protocols from the list of compiled protocols To access the Add Protocol dialog box from the Stack menu click Add Protocol The list displays descriptions for all available protocols If you select a protocol descri
62. 000 on604216 EXTENSION 24 529 000 00502 l EXTENSION 24 154 500 u 0050A 1s EXTENSION 22 779 500 u ee A A E A E o 1 3 4 5 6 7 6 3 o H Figure 2 7 Listing data using a microprocessor support package High Level Language Source Code Support You can correlate the high level language HLL source code that you wrote with your code as it was executed on your target system and acquired by the logic analyzer The correlation is based on symbolic information that is extracted from your object file or load module You configure the logic analyzer to access your source files You can step through each executed source statement in the Source window and view the results in a correlated Listing window You can also set user defined marks as break points within the code and then trace the execution of the code between the marks Figure 2 8 on page 2 9 shows an example of viewing source code in a Source window while Figure 2 9 shows the actual acquired data in an associated Listing window 2 8 Tektronix Logic Analzyer Family User Manual Operating Basics ee Q Diiver iof x A Ee sA A EN lal Scan Listing Later ch inch i ch 0x0d ch x a fputect ch stdin return ch fF EERE EEEEERAAAEEA EL AEEEERESASEA ESE EEEERESESED ES EE EEEERAESEA EA EEEEERESS Description gets get a muall tecminated character string Input is terminated by a carriage return
63. 1 24us q cafas eta Time 452s Lock Delta Time DSO 1 Channel C1 2557V C2 1 900V Delta 4 457 DSO 1 Channel Figure 3 52 Sawtooth waveform with automatic measurements Jumping to Specific Data Locations You can use the Go To dialog box to jump to a new position by selecting any current mark or waveform To open the Go To dialog box open a Waveform window and click the Go To toolbar button 2151 x p e rimer s d UIT eons A ce fions a Delta Time 280 84ne I Lock Delta Time La 1 CKO as E Dia e LAT Mag Sample aae iaa aaa e eA Arma Liman 4 eE Figure 3 53 Using the Overview Mark bar to jump to a data location Tektronix Logic Analzyer Family User Manual 3 79 Waveform Window Searching Data You can also use the Overview Mark bar to jump to another location If you do not click on a mark clicking in the Overview Mark bar scrolls to that location Use the Define Search dialog box see Figure 3 54 to search for specific data within the current Waveform window Searches are specific to the selected data source Searches begin at the active cursor unless you specify another cursor or mark to begin the search Click the search icon to open the Define Search dialog box and fill out the search conditions Alternatively you can select and load a search definition from the Search Definition drop down list You can also load a search definition from any
64. 2037154 00020202 0202 RESET 3 3 2057155 00030303 0303 RESET J wa 2097156 00040404 2097157 00050505 03 z 2097159 User mark gt End data mark Split box Figure 3 66 Listing window cursors and marks Table 3 19 Listing window cursor and mark summary T System trigger The system trigger is the reference point for the acquisition Timing and location information is relative to the system trigger Trigger marks cannot be moved Under some conditions the system trigger associated with a module s data might not be displayed in the data window If the system trigger was caused by another module whose data is not included in the current display then the system trigger is not shown Nevertheless all time measurements still relate to that system trigger even if it is not shown The system trigger associated with the current data is called the active system trigger The system trigger associated with saved data is called the reference system trigger The active system trigger is indicated by a yellow T the reference system trigger is indicated by a gray T F Module trigger The point at which the module triggered Trigger marks cannot be moved Begin data end data The start and end of a module s data record These data marks cannot be moved 1 2 Cursors 1 and 2 Moveable marks used for visual reference and for data measurements Checkbox Lock Delta Time Click this checkbox to lo
65. 3 116 Force Main Prefill 3 39 G Gap qualification 3 103 Glossary 7 General safety summary ix symbols and terms 1x to avoid fire ix to avoid personal injury ix Glitch 2 14 3 17 Glossary 5 glitch storage mode 3 17 Listing window 3 104 Waveform window 3 90 Go To dialog box 3 79 3 97 3 111 3 131 3 137 Graph window 3 129 Glossary 5 adding a data series 3 131 Automatic Update toolbar button 3 132 creating 3 129 cursors 3 131 customizing the display 3 133 defining data series 3 133 formatting data series 3 134 Hit Frequency property page 3 134 hit frequency toolbar button 3 132 jumping to specific data locations 3 131 stopping data processing 3 132 toolbar 3 131 zooming data 3 132 Ground line indicator in DSO waveforms 3 73 H High level language 2 8 3 109 Histogram ranges defining 3 124 linear generation 3 124 log generation 3 124 symbols 3 124 Histogram window 2 16 3 121 Glossary 5 accelerator keys 3 127 changing font size 3 124 clearing counts 3 124 columns 3 124 creating 3 123 customizing the display 3 125 exporting data 3 126 hot keys 3 127 Index 3 Index magnification 3 124 measuring events 3 123 shortcut keys 3 127 sorting data 3 124 splitting the data area 3 125 stopping analysis 3 124 viewing address activity 3 122 Horizontal controls DSO setup 3 46 Waveform window 3 90 Hot keys general purpose data window 3 70 Histogram window 3 127 List
66. 3 77 Source window controls Source relative cursor positioning refers to updating the Listing window cursor position as a result of changing the position of the active cursor in the Source window When you move the Source window cursor to a new statement the Source window determines the address range of the source statement based on informa tion from the loaded symbol file The Source window uses the setting of the Scan Listing mode to determine the search direction in the Listing window The Listing window searches the acquisition data for a matching address When the matching address is found the active cursor in the Listing window is moved to the matching sample If the Source window cursor is moved to a non executable statement such as a comment the address of the next executable statement is used Listing relative cursor positioning refers to updating the Source window cursor position as a result of changing the active cursor position in the Listing window When you move the Listing window cursor to a new sample the active Source window cursor attempts to move to a corresponding source statement in the Source window The Source window uses information from the loaded symbol file to convert the address of the Listing cursor position to a source file name and statement line number location The Source window then updates the active Source window cursor position and displays the corresponding source statement Use the Step Forward a
67. 38 Selecting protocol stacks 3 137 Self calibration merged modules 3 57 Service support contact information xii Setup and hold violation window analysis 3 156 Setup Hold Setup Hold violation storage mode 3 18 Shortcut keys general purpose data window 3 70 Histogram window 3 127 Listing window 3 108 menu keys 3 62 Source window 3 119 Waveform window 3 92 Signal routing from the logic analyzer 3 23 Signal routing to the oscilloscope 3 24 Signals tab 3 54 Sin x x interpolation 2 13 Single run acquisition 3 63 Skew Glossary 8 Slot numbers 3 2 Sorting data in Histogram windows 3 124 Source Files property tab 3 116 Source Synchronous Clocking Glossary 8 Source synchronous clocking 3 10 Source window 3 109 Glossary 8 accelerator keys 3 119 buttons 3 112 3 113 changing font size 3 116 creating 3 110 cursors 3 111 customizing the display 3 116 hot keys 3 119 jumping to specific data locations 3 111 marks cursors and indicators 3 110 scan listing 3 111 searching data 3 114 shortcut keys 3 119 Source Files property tab 3 116 Splitting the data area 3 91 3 104 3 125 Standby STBY Glossary 8 Starting and stopping acquisition 3 63 State 3 31 Glossary 8 Tektronix Logic Analzyer Family User Manual Index Status bar hiding 3 61 Status bits 3 20 Status Monitor 3 65 Step Forward and Step Backward buttons 3 112 Storage qualification 2 3 3 39 Glossary 8 Storing data 2 4 Suppre
68. 4 Columns sizing histograms 3 124 Compare data displaying 3 87 3 100 Comparing listing data 3 100 waveform data 3 87 Comparing data 2 17 overlay waveforms 2 10 Condition trigger Glossary 9 Contacting Tektronix xii Copying text 3 103 3 116 Coupling 3 45 Creating a Graph window 3 129 Creating a Histogram window 3 123 Creating a new data window 3 69 Creating a Source window 3 110 Cursors 3 74 3 95 3 110 3 111 3 130 3 131 Glossary 3 Custom clocking 3 17 Custom clocking Glossary 3 Index 2 Cutting columns marks 3 103 data series 3 132 marks 3 116 waveforms marks 3 90 D Data differences Glossary 3 equalities Glossary 3 exporting 3 105 3 126 sample Glossary 3 data filters 2 19 3 82 3 99 Data marks 3 74 3 95 3 110 3 130 Data series Glossary 3 adding 3 131 cut copy and paste 3 132 formating 3 134 Data source adding 3 89 3 102 Data valid windows analysis 3 156 Data window 3 67 Glossary 3 creating 3 69 marks cursors and indicators 3 95 3 130 splitting the data area 3 104 DC coupling Glossary 3 Decode view 3 136 Default settings 3 61 trigger tab 3 29 Delta measurement 3 131 Glossary 3 Demultiplex Glossary 3 clock setting 3 9 Differences See Data differences Digital real time signal acquisition Glossary 3 Digitizing 2 1 Glossary 4 Disabling modules 3 2 Disassembly format changing 3 104 Documentation list xi Don t care Glossary 4 DSO Modul
69. Channel Compare In other group s Figure 3 15 Source and destination probe channels in Internal 2X Clocking mode Status Bits Each logic analyzer module has status bits that you can use in same manner as input channels You can use the status bits in the trigger and display windows The status bits appear at the end of the channel table Depending on your module you can use the Status Bits Type dialog box to select the type of status bits Refer to the online help for more information on using the status bits Channel Group Name Each channel group must have a name Use the default name or enter another name There is no limit to the number of groups Channel groups defined in the channel grouping table are used in other displays and setup controls The order of the groups in this table determine the order of presentation in other windows For each group name list all the probe channels that make up the group The group names are listed in the left column of the table The individual probe channels that make up each group are listed in the right column of the table The center column of the table lists the number of channels in a group where a zero refers to bit 0 For example in Figure 3 16 the Address group is made up of 32 channels with channel 31 as the most significant bit A3 7 and channel 0 as the least significant bit A0 0 Probe Channels Names Table Use the Probe Channels Names Table to enter names for individual channe
70. Connections tab 3 51 Figure 3 37 System Trigger dialog box ceeceeeeees 3 52 Figure 3 38 Signals property page ececececeeeees 3 54 Figure 3 39 Merging modules ccc cececccceececes 3 57 Tektronix Logic Analzyer Family User Manual v Table of Contents vi Figure 3 40 Logic analyzer conceptual model 3 58 Figure 3 41 Loading a saved system that does not match the CULTENE Syste 6 535 S05 See eee ee na RESO TIA ewes 3 59 Figure 3 42 Load System Options dialog box 68 3 60 Figure 3 43 Defining setups for Repetitive mode 3 64 Figure 3 44 The Listing and Waveform windows 3 67 Figure 3 45 Opening a data window eceeceeceees 3 68 Figure 3 46 Waveform window cececececececeees 3 71 Figure 3 47 Waveform types ccc ce ccc ce cee ceceececes 3 72 Figure 3 48 Magnitude waveform cecececececeees 3 73 Figure 3 49 Range readouts cc cece cece e cere ree eees 3 73 Figure 3 50 Waveform window cursors and marks 3 74 Figure 3 51 Measurement Setup dialog box 006 3 75 Figure 3 52 Sawtooth waveform with automatic measurements 3 79 Figure 3 53 Using the Overview Mark bar to jump to a data location 2 0 cece ccc ce ccc eee cece ee eee eer e ree eees 3 79 Figure 3 54 Defining search criteria cece cece eens 3 81 Figure 3 55 Suppresse
71. EQUENCE OF LENGTH RES HHsg Compilation Resuk Last Compiled Date Last Saved Date June 2 Relations on top of ATH NNI e Figure 3 92 Protocol Designer Window Tektronix Logic Analzyer Family User Manual 3 143 Protocol Designer Protocol Editor Pane The Protocol Editor pane see Figure 3 93 allows you to modify existing protocols or create new ones Only protocols compiled with the built in compiler are valid for use in the Protocol Decode window Use the Packet Structure Description Language PSDL for defining and creating the protocols See the online help for more information on PSDL To display a protocol in the Protocol Editor double click a protocol in the Stack Definition pane or click Open and select Protocol from the toolbar You can display several protocols simultaneously Click the tab with the protocol name at the top of the Protocol Editor pane to view and edit each protocol Compilation Result Pane 3 144 Directly below the Protocol Editor pane is the Compilation Result pane where the results of compiling are displayed Double clicking an error message in the Compilation Result pane highlights the line with the error in the Protocol Editor pane Protocol Editor atm_nni ethernet Protocol1 MAC_802_3 PSDL_SEQUENCE link_DESTINATION Link link_SOURCE Link link_LENGTHFIELD Leng Link_address MAC_ADR Lengthfield BYTE_DEC LENG LLC_802_2
72. El ol xi mg tif E 3 Putri tahta BE Stove far Taser Poe EasyTrigger PowerT rigger overview State 1 If Anything Go to State 2 Run Then GoTo2 State 2 State 2 If Data changes Trigger If Channel A3 7 Goes Low Then Trigger Figure 3 26 PowerTrigger tab structure The Overview portion of the PowerTrigger tab shows the relationship of the states See Figure 3 27 This example shows a branch occurring in State 2 This example also shows that a trigger note the trigger indicator occurs in State 2 and an Arm occurs To view the details in a particular state double click the State button in the Overview pane Tektronix Logic Analzyer Family User Manual 3 33 Setup 3 34 t State 1 Figure 3 27 Overview portion of LA Trigger window You can view the progress of the trigger states during acquisition using the Status Monitor See Viewing Acquisition Activity on page 3 65 The Trigger detail portion located on the right side of the tab shows summary information about the clauses within the states See Figure 3 28 For lengthy trigger programs click the State button in the Overview to jump to the corre sponding Trigger programming details State 2 If word 2 occurs arm the DSO ard trigger LAT If Word Word 2 gt Then Am Module DSO 1 And Trigger Else lf Arpthing Then GoTo1 Figure 3 28 Trigger detail portion of LA Trigger window The Clause Defini
73. IM ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TEKTRONIX RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES SOFTWARE WARRANTY Tektronix warrants that the media on which this software product is furnished and the encoding of the programs on the media will be free from defects in materials and workmanship for a period of three 3 months from the date of shipment If a medium or encoding proves defective during the warranty period Tektronix will provide a replacement in exchange for the defective medium Except as to the media on which this software product is furnished this software product is provided as is without warranty of any kind either express or implied Tektronix does not warrant that the functions contained in this software product will meet Customer s requirements or that the operation of the programs will be uninterrupted or error free In order to obtain service under this warranty Customer must notify Tektronix of the defect before the expiration of the warranty period If Tektronix is unable to provide a replacement that is free from defects in materials and workmanship within a reasonable ti
74. MHz from the target system The maximum data rate in External 2X DDR clocking mode is 900 MB s Tektronix Logic Analzyer Family User Manual 3 9 Setup You can access External 2X DDR advanced clocking functionality by selecting a clocking type of External 2X and then clicking the More button Note that you must specify a clock edge of Both The 2X Clocking dialog box also allows you to align the data in relation to the specified clock edge for each channel group The Setup Hold window graphic illustrates your clock edge s and data alignment settings External 4X Clocking Available only in TLA7Axx modules External 4X clocking acquisitions allow data to be acquired and displayed at approximately three to four times the normal maximum sample frequency of the logic analyzer In this mode three quarters of the logic analyzer input channels are traded for three to four times the speed and four times the acquisition depth The reason that the External 4X clocking mode data rate does not always increase by four times above the base synchronous rate of the logic analyzer is that the Setup Hold window requirements of the logic analyzer may come into play Setup and hold requirements on the acquisition data can limit the acquisition rate to a lesser value than if it were constrained by the maximum clock speed alone When you use External 4X clocking you acquire data using a clock rate of up to 625 MHz from the test system The maximum data rate in 4X
75. Offset is the offset voltage applied to the probe If Range is changed using the preset values then Range also sets the Offset The Offset default is 3 V for TTL signals Bandwidth Bandwidth is the range of frequencies that can be acquired and displayed accurately Your bandwidth selection sets the upper limit of frequen cies that will be acquired and displayed Bandwidth filters reduce unwanted noise and aliasing Coupling Coupling selects how the input signal is coupled to the vertical input channel Tektronix Logic Analzyer Family User Manual 3 45 Setup 3 46 Horizontal Controls Horizontal settings control the rate at which the data is sampled and the amount of data acquired See Figure 3 33 To open the horizontal page from the System window click the DSO Setup button and then click the Horizontal tab Wi Setup DSO 1 Baie Channel 1 Channel 2 Channel 3 Channel 4 Horizontal Trigger Sample Period ine Memory Depth Figure 3 33 DSO Setup window Horizontal settings Sample Period The Sample Period sets the interval between successive samples in a waveform record Choose a sample period that is fast enough that the waveform will not be aliased and slow enough to provide the waveform record length that you need For repetitive waveforms you should set the sample period to at least five times faster than that of the waveform Memory Depth The Memory Depth sets the total number of data samples to be
76. Probes The probe interface serves two purposes to detect event and inhibit information and to output data to a target system In addition to sending pattern generator data to the target system the probe also sends clock and strobe information You can connect up to four probes to a single module Each probe supports either 8 or 16 channels Pattern Generator The pattern generator program is the heart of the pattern generator module You Program can create blocks of data vectors to work together to create complex pattern generator programs The program uses external and internal events to determine specific actions such as loops and branches to other data blocks The program can be controlled by an internally selected clock or by an external clock through a front panel BNC connector Logic Analyzer Conceptual Model Conceptually the logic analyzer is made up of two main parts the modules and the system From the operational perspective a module encompasses the setup trigger and data associated with the physical logic analyzer the oscilloscope module installed in the logic analyzer or the external oscilloscope that is physically connected to the logic analyzer See Figure 2 5 The system refers to the setup and data for the whole logic analyzer Some actions occur at the module level some at the system level For example you can save either module or system files When you save a module you save all the setup and trigger information for
77. Protocol window Tektronix Logic Analzyer Family User Manual 3 139 Protocol Window Marks Tab Framing Options Tab The Protocol Color Properties tab lists all the protocols present in the current acquisition and the available color options Select a color for each protocol The selected color is used for display in the Decode View of the Protocol window A preview is displayed in the Protocol Properties Color tab This tab allows you to set default colors for all the protocols The Marks tab allows you to view or change the color settings of marks You can also associate a comment for each of the marks placed The Protocol Marks Properties tab lists all the marks and cursors in the Packet View You can set or change the color of the marks and enter the comments Selecting Show Hairline allows you to enable or disable the hairline display The Framing Options tab allows you to choose bus specific options to view only the packets of interest You can enable or disable the gaps while framing Generic and Bus Specific Framers 3 140 Frames are logical groupings of information sent as data layers Frames are basically data and control information that flow between link layer devices and physical layer devices The cells or packets received from network layers are transformed into frames by link layer devices and passed on to physical layer devices This entire process is known as framing A generic framer is an application that proce
78. Right click the mouse to display the context menu and then select Display Filtered and the filter To edit an existing filter select Filter Definitions from the Data menu or from the context menu in the Listing window The Define Filter dialog box opens where you can open the filter definitions and edit the filters as needed To turn off a filter select a column label and then select Display Unfiltered with the filter name from the Data menu or from the context menu The logic analyzers have MagniVu data acquisition as a standard feature MagniVu data acquisition for TLA7Lx Mx Nx Px Qx logic analyzer modules and TLA600 series logic analyzers offers 500 ps high speed timing simulta neous with 200 MHz state on all channels through the same probe MagniVu memory depth is set to a fixed 2K Tektronix Logic Analzyer Family User Manual 3 99 Listing Window MagniVu data acquisition for TLA7Axx logic analyzer modules offers 125 ps high speed timing simultaneous with 120 MHz 235 MHz or 450 MHz state on all channels through the same probe MagniVu data acquisition for TLA5000 series logic analyzer modules offers 125 ps high speed timing simultaneous with 120 MHz or 235 MHz state on all channels through the same probe MagniVu memory depth is set to a fixed 16K You can view MagniVu data in both Listing and Waveform windows For more information on MagniVu data refer to MagniVu Data beginning on page 3 83 Comparing Listing Data When
79. Save in same file each acquisition M Stop if Compare mith Reference ie Stop After fi Acquisitions When Stopped P Open lt Name of program or document gt Open Cancel Help Figure 3 43 Defining setups for Repetitive mode 3 64 Tektronix Logic Analzyer Family User Manual Acquisition Viewing Acquisition Activity While the logic analyzer is acquiring data you can check its progress to see how much data it has acquired or to view channel activity by using the Status Monitor The Status Monitor is also useful to debug a trigger program From the Status Monitor you can view the current status of various resources of the logic analyzer during acquisition Be aware that rapid changes in trigger state counter values timer values and the internal signals cannot be accurately displayed in real time in the Status Monitor If the Logic Analyzer Does Not Trigger If the logic analyzer does not trigger you should check the following Check that your target system is powered on Check the System window to verify that required modules are turned on If the module has correctly clocked data acquired the specified events triggered but has not stopped the module probably has not acquired enough additional data to fill acquisition memory Click Stop to manually stop the acquisition and then change the module Memory Depth reduce or Trigger Position increase Logic Analyzer The following condition
80. Source Synchronous Clocking LA 1 2 x Edge Detectors Clock Groups Sample Clocks Group Clocking Probe Demus Edge Detector 0 Edge Detector 1 Edge Detector 2 Edge Detector 3 Choose Clock Edges Choose Clock Edges Choose Clock Edges Choose Clock Edges Note Edge Detector 0 is the CSM Heartbeat Clock Validate Close Help Figure 3 10 Edge Detector assignments The Clock Groups tab has three Clock Groups from which to choose each with four Edge Detectors Clock Group 0 and Edge Detectors 0 and 1 are used for the example application The DDR SDRAM clock and the DQS strobe comprise Clock Group 0 Figure 3 11 shows the clock groups selection Source Synchronous Clocking LA 1 2 x Edge Detectors Clock Groups Sample Clocks Group Clocking Probe Demus m Clock Group 0 Choose E dge Detectors I Edge Detector 0 Clock Group 1 m Clock Group 2 Choose Edge Detectors Choose Edge Detectors C Edge Detector 0 O Edge Detector 1 Edge Detector 2 Edge Detector 3 O Edge Detector 0 O Edge Detector 1 C Edge Detector 2 Edge Detector 3 Edge Detector 2 Edge Detector 3 IM Enable Reset VV Enable Reset M Enable Reset Counter C Timer Counter C Timer Counter C Timer Value 255 Value 255 Walue 255 I Use Extemal Reset Ck o a Invert Glock Validate Close Help Figure 3 11 Clock Groups s
81. Trigger l State 1 rigger on occurrence of A Run f Group A3 x Then Trigger All Modules Figure 3 24 Sample PowerTrigger program Tektronix Logic Analzyer Family User Manual Setup Trigger Program Structure A Trigger program consists of one or more states up to 16 Only one state is active at a time Each state is made up of one or more clauses If you use no more than four trigger event resources in a state you can have up to four clauses per state If you have less than four trigger event resources in a state you can define up to 16 clauses per state However when you use a snapshot recognizer as an event in your clause definition your use of clauses per state is restricted If you use a snapshot recognizer and no more than one additional event you can have up to eight clauses and one counter or timer per state If you use a snapshot recognizer and two or more additional events you can have up to two clauses and one counter or timer per state Clauses are made up of two parts an If statement which defines the data event of interest and a Then statement which specifies the action taken when the If statement is true You can define up to eight events per If statement and up to eight trigger actions per Then statement During each sample clock cycle all clauses within the active state simultaneous ly evaluate each data sample Clauses are evaluated from top State 1 IF Then Clause 1 to bo
82. User Manual Tektronix Tektronix Logic Analyzer Family Version 4 3 Software 071 1236 00 www tektronix com Copyright Tektronix Inc All rights reserved Licensed software products are owned by Tektronix or its suppliers and are protected by United States copyright laws and international treaty provisions Use duplication or disclosure by the Government is subject to restrictions as set forth in subparagraph c 1 ii of the Rights in Technical Data and Computer Software clause at DFARS 252 227 7013 or subparagraphs c 1 and 2 of the Commercial Computer Software Restricted Rights clause at FAR 52 227 19 as applicable Tektronix products are covered by U S and foreign patents issued and pending Information in this publication supercedes that in all previously published material Specifications and price change privileges reserved Tektronix Inc 14200 SW Karl Braun Drive Beaverton OR 97077 TEKTRONIX TEK TLAVu PatGenVu and MagniVu are registered trademarks of Tektronix Inc HARDWARE WARRANTY Tektronix warrants that the products that it manufactures and sells will be free from defects in materials and workmanship for a period of one 1 year from the date of shipment If a product proves defective during this warranty period Tektronix at its option either will repair the defective product without charge for parts and labor or will provide a replacement in exchange for the defective product In order to obtai
83. Window Use this dialog box to define operations and specify the value for the search Select either the lt lt Back or Forward gt gt buttons to search before or after the current cursor position Define Search Protocol 1 xj m Search Options Frotocol ATM_NNI T Enable Fields gt Field Condition Field Operation Value Equal J c Multiple values are separated by semicolon 2 74 Not equal Greater than Predefined Values Less than l z Format Decimal Hey ASCII Biren lt lt Backward Forward gt gt Cancel Help Figure 3 91 Search dialog box Protocol Window Properties About Data Tab Protocol Window Tab Column Tab Color Tab Use the Protocol window property pages to define the appearance of the Protocol window The About Data tab provides information about the data source used for the active data window The Protocol Window tab allows you to view or change the default settings of the Protocol window In this tab you can change the background color settings and enable or disable the grid lines The Column tab allows you to view or change the column settings in the Packet View pane of the Protocol window You can change the column color and width in the Packet View You can also show or hide particular columns The Color tab allows you to view or change the color settings of the protocols in the Decode View pane of the
84. a Each waveform is initially displayed in a separate track but all waveforms are time aligned horizontally and displayed in the same time per division The inclusion of time stamp information with the stored data samples makes it easy to display time correlated acquisitions from multiple data sources You control the horizontal scale of the acquired data in the display You do not however change setup parameters by changing settings in the waveform display You can change the channel group radix waveform color and waveform height Like the Listing window you can also use filters to display only specific data or to not display specific data When viewing logic analyzer data you can view the data as individual channels You can also display the logic analyzer data in groups of channels known as busforms Use the busforms to display when data changes with respect to clock or control signals Another method of displaying logic analyzer data is to overlay waveform channels Use overlay waveforms to visually compare two or more waveforms at the same time When you are interested in displaying the value of a group of channels over a period of time you can use magnitude mode For example using magnitude mode you can view the channels connected to a 16 bit digital counter The magnitude waveform appears as a sawtooth waveform as the counter values increment from the minimum value 00 to the maximum value FF Tektronix Logic Analzyer Family
85. ack Definition Pane 0 ce eee eee eee 3 145 Stack Protocol Information Pane 0 00 eee cece eee 3 145 Add Protocol Dialog BOX 6 ee c ec eeeee es 3 146 Replace Protocol Dialog Box 0 0 eee cece eens 3 146 Protocol Setup Properties errer iae ee ETAT eee eee 3 146 BV EVAL aris cides dere eee aso E E AO A Wud ute site eer aud A COSTE 3 149 Creating a New iVerify Setup 0 cee eee eee eee ee 3 149 Performing iVerify Measurements 00 0 cece eee eee eens 3 151 iVerify Window Properties san Snara a e AAE cece eens 3 151 ALO DESK OW eses siati Sa Ra RES AEG ESA A ee A Rae Eek aS 3 153 Creating a New AutoDeskew Setup 0 c eee eee eee eee 3 154 AutoDeskew Setup Dialog Box 0 cc cee eee 3 154 AutoDeskew Modes 0 c cece e cece eect e teen ene aes 3 156 Loading a AutoDeskew Setup 0 cee ec cee eee eee 3 156 Applying the AutoDeskew Results 0 0 0 0 c eee eee eee 3 156 AutoDeskew Properties usss riea a EE cece eee eens 3 157 Glossary Index Tektronix Logic Analzyer Family User Manual iii Table of Contents List of Figures Figure 1 1 TLA5000 series logic analyzer 0e eee 1 1 Figure 1 2 Portable mainframe cece cece eens 1 2 Figure 1 3 Benchtop mainframe with an expansion mainframe 1 2 Figure 2 1 Acquiring a digital signal 0 cece ee ween 2 1 Figure 2 2 Acquiring an analog signal DSO module
86. additional tools to offset the signal resolution signal duration relationship m By using the MagniVu data feature you can view high resolution data centered about the logic analyzer trigger This allows you to zoom in on the data of particular interest while still maintaining visibility of a more extended signal duration m By using Internal 2X Clocking mode you can trade one half the channels for twice the resolution and twice the memory depth The 2X Clocking mode is only available with the main timing not with the MagniVu data feature Tektronix Logic Analzyer Family User Manual Operating Basics m By using Internal 4X Clocking mode available for TLA7Axx logic analyzer modules and TLA5000 series logic analyzers you can trade three quarters of the channels for four times the speed and memory depth The 4X Clocking mode is only available with the main timing not with the MagniVu data feature Preventing Aliasing Under certain conditions an analog waveform can be aliased on screen When a waveform aliases it appears on screen with a frequency lower than the actual waveform being input or it appears unstable Aliasing occurs because the instrument cannot sample the signal fast enough to construct an accurate waveform record See Figure 2 13 Actual high frequency waveform Apparent low frequency gt waveform due to aliasing Sampled points gt Figure 2 13 Aliasing To check fo
87. address channel group and the symbol name printer port will show in the Listing window every time F734BC appears on the address bus Symbol Types Two main types of symbol files are possible pattern symbol files and range symbol files Range symbols can be further divided into three different categories functions variables and source code source Table 2 1 shows the different types of symbols and the windows where they are commonly used Table 2 1 Using symbols in logic analyzer windows Range symbols Listing Yes Histogram IN Yes Yes No Logic Analyzer Trigger Yes Yes Tektronix Logic Analzyer Family User Manual 2 21 Operating Basics Pattern Symbols Pattern symbols consist of data patterns up to 32 bits Each bit in a pattern symbol can be 0 1 or X don t care Pattern symbols are used when a group of signals define a logical state For example a microprocessor has a set of pins that indicates the type of bus cycle in progress A memory read cycle is indicated when the RD and MREQ pins are 0 logic low and the BUSAK and M1 pins are 1 logic high You can define a pattern symbol name called mem read that corresponds to bit pattern 1100 and thereby mark all memory read bus cycles in the Listing window For other bus cycles the logic state of these pins is also important and you can define different bit patterns for each cycle type Figure 2 21 shows pattern symbols used in a Waveform window fan Waveform 3 _
88. alification or Don t Store trigger actions Qualification gaps are indicated with a horizontal gray line above the first data after the gap Turn qualification gaps on or off from the Listing Window property page Tektronix Logic Analzyer Family User Manual 3 103 Listing Window Viewing Violations Glitches and setup and hold violations are indicated in the display by highlighted text of the complete sample for all radixes except binary octal and hexadecimal In those radixes only the violation bits are highlighted Turn violations on or off from the Listing Window properties tab To view glitches you must set clocking to Internal and select Glitches in the Acquire box of the Setup window before making an acquisition To view setup and hold violations you must set clocking to External and select Setup Hold in the Acquire box of the Setup window before making an acquisition NOTE To view glitches in a data window you must enable Glitch storage in the Acquire box of the LA Setup window before acquiring data To view setup and hold violations you must enable Setup Hold storage in the Acquire box of the LA Setup window before acquiring data Naming Columns Rename a column by returning to the LA Setup window and changing the channel group name Changing the For microprocessor support packages you can change the disassembly format Disassembly Format used in the Listing window Use the Disassembly properties tab to select the d
89. ality is not available for all external oscilloscopes Indicates which instrument will start first The data depth limit that the logic analyzer uses to store external oscilloscope samples 3 49 Setup External Oscilloscope The Trigger tab contains controls for viewing or modifying external oscilloscope Trigger Settings trigger events and actions iol Setup Trigger Connections r Extemal Oscilloscope Trigger Source Extemal Oscilloscope should be triggered by TDS 3012 Trigger Action Extemal Oscilloscope Triggering Capabilities TLA Triggers TDS 3012 Supported TDS 3012 Triggers TLA Not Supported Clock synchronization Not Supported Figure 3 35 External oscilloscope trigger tab You can view and modify the following external oscilloscope trigger settings Table 3 9 External oscilloscope trigger settings Trigger setting Description Trigger Event The instrument that will provide the trigger event Automatically set up the TDS Check box that indicates whether the logic analyzer sets up the trigger source external oscilloscope trigger source Trigger Action Determines whether or not the external oscilloscope triggers the logic analyzer after it has recognized a trigger event This capability is not available for all external oscilloscopes TLA Triggers TDS Indicates whether the external oscilloscope is capable of being triggered by the logic analyzer TDS Triggers TLA Indicates whether
90. ame extension Use the Export Data Options dialog to customize the data for a text file You can specify the field delimiter to separate the columns To export the bounds as a text string select Label OO FF To export the bounds as two delimited numbers select Numbers To export Histogram data follow these steps 1 Inthe System window select a Histogram window 2 From the File menu click Export Histogram 3 In the Export Histogram dialog box select the folder to which you want to export data Otherwise leave the default of My Documents 4 Click Options to specify any export options for the text data and then click OK 5 Enter a name for the exported file 3 126 Tektronix Logic Analzyer Family User Manual Histogram Window 6 Specify the export range 7 Click Save Figure 3 85 shows an example of an exported histogram file Histogram 1 txt WordPad Jof x File Edit Wiew Insert Format Help iela SILA al Ee BI Range Count g o 6 41 ji a 6 41 al e 5 6 41 ges 5 6 41 ng g 5 6 41 5 5 5 6 41 6 6 5 6 41 Lt Cool id 5 6 41 6 6 5 6 41 g 9 5 6 41 a a 4 5 13 B B 4 5 13 C C 5 6 41 D p 6 41 E E 5 6 41 i e i 5 6 41 ml For Help press F1 y Figure 3 85 ASCII histogram data file Histogram Window Shortcut Keys You can use the general purpose shortcut keys listed in Table 3 23 to move data and cursors in the Histogram window You should also refer to the discussions of
91. apter A microprocessor specific lead set that connects the LA module probe to a target system Qualification gap Qualification gaps indicate that data samples were not stored due to storage qualification or Don t Store trigger actions In a Listing window qualifica tion gaps are indicated by a horizontal gray line In a Waveform window qualification gaps are indicated by a blank vertical gap Range recognizer A trigger term Use range recognizers to trigger the logic analyzer on ranges of data Record length The specified number of samples in an acquisition Sample clock The clock signal that determines the points in time when the module samples data A sample clock can be set up to occur at regular intervals specified by an internal clock asynchronous acquisition or to occur when a Boolean expression combining an external clock and qualifier signals is true synchronous acquisition Sample rate The frequency at which data is logged into the logic analyzer Sampling The process of capturing an input signal such as a voltage at a discrete point in time and holding it constant so that it can be quantized Tektronix Logic Analzyer Family User Manual Glossary 7 Glossary Glossary 8 Skew The relative time difference between input channels specified in terms of one edge relative to another Also the misrepresentation of data caused by parallel channels with different propagation delays Source Synchronous Clo
92. asserted or the trigger will not occur If you change your trigger program remember to update the logic function settings accordingly The logic analyzer can send and receive signals to from the target system using the External Signal In and External Signal Out connectors on the mainframe Use the External Signal In function to include a signal from your target system as part of the trigger setup Use the External Signal Out function to send a signal to the target system or other test equipment when a trigger condition is met The connection from the module to the external connector is made by one of the four internal signals You must designate which internal signal is to be used for this purpose The external signal connectors are located at the rear of the portable mainframe and at the front of the benchtop mainframe The external signals all operate at TTL logic levels System Trigger In Out Connector check boxes reflect the current state of the System Trigger In and System Trigger Out connectors and can be used to both enable and disable them If an external scope is enabled the options chosen in System Trigger Source can affect the values and sensitivity of the System Trigger In Out checkboxes A merged logic analyzer module set consists of a master module and up to four slave modules A merged pattern generator module also consists of a master module and up to four slave modules Logic analyzer modules must have the same maximu
93. asuring events with the Histogram window Creating a Histogram Window Before creating the Histogram window define the channel setups and clocking in the Setup window You should also define your trigger program in the Trigger window If you want to measure an event you should define the trigger events and set up the appropriate counter and timer actions If you want to use symbols make sure that you load the symbol file Create a new Histogram window with the New Data Window wizard For help on using the New Data Window wizard refer to the online help Tektronix Logic Analzyer Family User Manual 3 123 Histogram Window Adjusting the Histogram Window J Histogram 2 There are a number of actions you can perform in the Histogram window to get the exact view of the data that you want Use the buttons in the tool bar to access shortcuts to adjust the data Jof aJA Font Size Properties Changing the Display Font Size Clearing Histogram Counts Stopping Analysis Sizing Columns Sorting Data within Columns Changing Histogram Magnification Defining Histogram Ranges 3 124 Clear Counts Stop Analyzing Click the Font Size tool bar buttons shown in the previous figure Click the tool bar buttons until the text reaches the desired size You can also set the font to a specific size using the Histogram Window properties tab Click the Clear Counts tool bar button to reset all ranges and percentag
94. at are extremely difficult to diagnose Although you could try using a very fast sample clock rate to ensure that you never miss any glitches a better solution is to use the glitch detection feature The logic analyzer can trigger on a glitch either alone or in combination with other signal events This capability is useful for catching intermittent glitches that might not occur very often or appear only when a particular operation is taking place You can capture noise spikes and pulse ringing using the glitch capture feature Figures 2 14 and 2 15 show data captured by triggering on a glitch In the Waveform window a glitch captured by the logic analyzer is indicated by a band of color See Figure 2 14 For clarity an arrow identifies the glitch in the figure A setup and hold violation is a data signal that transitions within the setup and hold time period You can identify setup and hold violations by looking at each clock edge and reviewing all relevant data signals However it is more efficient and reliable to use Setup Hold triggering to identify violations Tektronix Logic Analzyer Family User Manual Operating Basics You must select the correct clocking mode to use either the glitch detection or the setup and hold violation features Choose internal clocking to use glitch detection choose external clocking source synchronous clocking or custom clocking to use setup and hold detection For information on glitch storage see
95. ata 3 106 overlay waveforms 2 10 Setup window 3 2 TLA700 Series description 1 1 trigger setup 3 28 Trigger window 3 28 window structure 3 32 Magnifying data in Histogram windows 3 124 Magnitude mode 2 10 Magnitude waveforms 3 72 MagniVu data 2 6 2 12 2 14 3 83 definition of Glossary 5 storage rate 3 39 3 84 trigger position 3 39 3 42 3 85 using 2 12 MagniVu data 3 83 3 99 MagniVu storage rate 3 84 MagniVu trigger position 3 85 Manuals list xi Marks 3 74 3 95 3 110 3 130 3 136 cut copy and paste 3 90 3 103 3 116 3 132 using the mark bar to jump to a new location 3 80 3 97 3 111 Tektronix Logic Analzyer Family User Manual Index Matched samples Glossary 6 Measurement setup 3 75 waveform 3 75 Measuring counter or timer events in Histogram windows 3 123 Measuring using cursors 3 131 Memory compare 3 5 channel setups 3 5 guidelines 3 7 Memory depth 2 12 3 18 3 46 Merge modules 3 56 Glossary 6 self calibration 3 57 Microprocessor support 3 3 3 104 Glossary 6 channel grouping 3 19 custom clocking 3 17 Mnemonic disassembly Glossary 6 Module Glossary 6 arming another module 3 53 disabling 3 2 identifying slot number 3 2 intermodule interactions 2 6 joining LA modules See Merge modules time correlation 2 6 turning on off 3 2 Module trigger Glossary 6 Multiple phase clocking 3 9 Multiplexing analog 3 21 Naming channel groups 3 20 columns
96. ata after the strobe edge occurs rising and falling edge In the example the CAS latency is three clock cycles so the pipeline delays for the common clock signals need to be adjusted to three in order to put all the information on the same clock sample The signals that comprise the COMMAND group are CS RAS CAS and WE A truth table for these signals is shown in Figure 3 8 To simplify the example two of the four signals are used as qualifiers to enable the read data to be captured at the correct time CAS is assigned as QUAL2 and WE is assigned as QUAL3 Because only two qualifiers are used a few AUTO REFRESH SELF REFRESH or LOAD MODE REGISTER cycles may be in the acquisition data TRUTH TABLE 1 COMMANDS NAME FUNCTION cs RASHCAS WE ADDR NOTES DESELECT NOP H x x x x 9 NO OPERATION NOP LE H H H x 9 ACTIVE Select bank and activate row L L H H Bank Row 3 READ Select bank and column and start READ burst L H L H Bank Col 4 WRITE Select bank and column and start WRITE burst L H L E Bank Col 4 BURST TERMINATE L H H L x 8 PRECHARGE Deactivate row in bank or banks L E H L Code 5 AUTO REFRESH or SELF REFRESH L L H Xx 6 7 Enter self refresh mode LOAD MODE REGISTER L E L L Op Code 2 Figure 3 8 Truth Table for the COMMAND group 3 12 Tektronix Logic Analzyer Family User Manual Setup A typical DDR SDRAM write data transfer is shown in Figure 3 9 The
97. ata up 10 lines Shift Up arrow Scroll data down 10 lines Shift Down arrow Move active cursor up one line CTRL Up arrow Move active cursor down one line CTRL Down arrow Move active cursor up 10 lines CTRL Shift Up arrow Move active cursor down 10 lines CTRL Shift Down arrow Tektronix Logic Analzyer Family User Manual 3 119 Source Window 3 120 Tektronix Logic Analzyer Family User Manual ae Histogram Window Use the Histogram window to set up capture and display performance analysis data from an logic analyzer channel group counter or timer You can use the Histogram window to determine the level of activity within various functions or subroutines analyze how memory is used or determine the relative execution time of subroutines or programs Histogram data is presented as a list of ranges and corresponding histogram bars showing the distribution of the ranges See Figure 3 81 for an example H Histogram 2 ile ES a AJA i o Percentages Based On Matched Samples 4 516 stopLite enqueue dequeue queueFul queueEmpty lightLeds rear front LEDwrite fputc _ uprint Figure 3 81 Histogram window The histogram data is based on all acquisition data All Samples or on the data within a defined set of ranges Matched Samples Tektronix Logic Analzyer Family User Manual 3 121 Histogram Window Measuring Histogram Data Viewing Address Activity 3 122 for Channel Groups Ra
98. ating Basics Logic Analyzer 2 2 Clocking The oscilloscope samples the voltage level of the signal at regular intervals and then converts the sampled analog data into 8 bit digital values see Figure 2 2 The sampled and digitized points are stored in memory along with corresponding timing information 6 0 V n 5 5 V 45 0V Digital values Analog signal ov OV OV Sample clock I I I I I I I I Figure 2 2 Acquiring an analog signal DSO module Functionally the logic analyzer can be divided into several blocks as shown in Figure 2 3 Refer to the figure as you read about the functional blocks Comparator Data from target system Threshold voltage Clock Internal asynchronous or External synchronous Figure 2 3 Block diagram of the logic analyzer acquisition and storage Clocks control when data is sampled The point at which you sample data has a great deal to do with the type and quality of data you acquire For the logic analyzer there are two primary approaches to clocking external synchronous clocking and internal asynchronous clocking Generally you use external clocking for listing data and internal clocking for waveform data External Synchronous Clocking This clocking mode is called an external or synchronous clock because the clock is external to the logic analyzer and is synchronized to the target system External clocking is the best choice when you are primarily interested in s
99. aveform window boundaries or cursor positions The gating settings apply to all measurements Table 3 14 Automatic waveform measurements Measurement High Low Amplitude Maximum Minimum Peak to Peak Positive Overshoot Description The value used as 100 whenever high reference mid reference or low reference values are needed such as in fall time or rise time measurements This value can be calculated using either the min max or histogram method The value used as 0 whenever high reference mid reference or low reference values are needed such as in fall time or rise time measurements This value can be calculated using either the min max or histogram method This voltage measurement is the high value less the low value measured over the entire waveform or gated region This voltage measurement is the maximum amplitude It is typically the most positive peak voltage and is measured over the entire waveform or gated region This voltage measurement is the minimum amplitude It is typically the most negative peak voltage and is measured over the entire waveform or gated region This voltage measurement is the absolute difference between the maximum and minimum amplitude in the entire waveform or gated region This voltage measurement is measured over the entire waveform or gated region and is expressed as Positive Overshoot Maximum High Amplitude x 100 Tektronix Logic Analzyer Family User Man
100. ays the currently defined inter probe connection and its feed for the oscilloscope channel This item cannot be selected and is displayed for information purposes only If no inter probe connection is defined for the oscilloscope channel the field is empty Click the System Inter probing button to change the contents of the scroll list by adding or changing the connection to the logic analyzer Click the Select Channel button to select a new logic analyzer channel to feed the inter probe connection to the oscilloscope channel This button is available when the inter probe connection is defined Tektronix Logic Analzyer Family User Manual Waveform Window Route from LA Waveform 1 2x To D50 1 Channel From Feed Through Inter probe Connector CH 1 Slots 3 4 LA 1 Select Channel System Inter prabing OK Apply Cancel Help Figure 3 58 Route from LA dialog box To display the Route from LA dialog box from the Waveform window select Route to LA from the context menu associated with a selected oscilloscope channel waveform Comparing Waveform Data When comparing data against reference data you can highlight data that is equal to or not equal to the reference data NOTE Before you can display compare data you must define the compare parameters in the Define Compare Dialog box in the LA Setup window Refer to Data Compare beginning on page 3 5 for information on setting up the compare
101. choice of a two way or four way demultiplex In addition you have the option to select all channels or clear all channels Figure 3 14 shows which channel groups are selected for a two way demultiplex Source Synchronous Clocking LA 1 x Edge Detectors Clock Groups Sample Clocks Group Clocking Probe Demux Select Probe Channel Demux Type Select All IX demux _Selectal_ amp demux Clear All Hej 9 OU UO K K K K K K CK1 gt QQ Validate Close Help Figure 3 14 Probe Demux channel selections 3 16 Tektronix Logic Analzyer Family User Manual Setup The preceding source synchronous clocking application example is intended to familiarize you with this clocking capability In addition you should consider the following functional clarifications m The source synchronous clocking hardware in the TLA7Axx logic analyzer module and TLA5000 series logic analyzer is designed to wait for Clock Group Complete CGC signal before it clocks the CSM If the data strobe straddles the master clock meaning that one edge occurs before the master clock and one edge occurs after the master clock then that sample will be clocked in on the next edge of the master clock m You must verify that the strobe edge is not time aligned with the master clock because this will cause the CGC signal to shift from one master clock cycle to the next This will cause the data sample presentation to dith
102. ck the delta time value When you lock delta time the channel marks move across the data simultaneously maintaining a fixed delta time User created marks Use marks to make specific data more easy to identify and find 3 96 Tektronix Logic Analzyer Family User Manual Listing Window Jumping to Specific Data Locations You can use the Go To dialog box to jump to a new position by selecting any current mark or waveform To open the Go To dialog box open a data window and click the Go To toolbar button You can also use the Overview Mark bar see Figure 3 67 to jump to another location If you do not click on a mark clicking in the Overview Mark bar scrolls to that location 20x He seje ables al Al aon xx 1 2037150 C2 2o57 5d Delta Time fi Bins 4 T Lock Delta Time QSTART QSTART Q Start Q Stz G Start Address Data Mnemonic Timestamp _ 209714 OOFSF6F6 Foro RESET 2097143 OOF FFFF FPF RESET 2097144 OOFSFSFS FSFS HALT 2097145 LOOFSFSFS FOFS BUS ERROR J BACKGROUND WRITE 2097147 OOFBFBFB FBFB BACKGROUND READ 2097148 LOOFCFCFE FEFE HALT 2097149 LOOFDFOFD FOFD BUS ERROR J 2097150 OOFEFEFE FEFE BACKGROUND WRITE PACKGROUND R AD ay RESET J KESET J 4 Figure 3 67 Using the Overview Mark bar to jump to a data location Tektronix Logic Analzyer Family User Manual 3 97 Listing Window Searching Data Use the Define
103. cking Clocking mode that sends a strobe signal with the data signal Data is synchronized with the strobe signal instead of the clock signal Source Window A data window where you can view the execution of source code Standby STBY The off like state when the instrument in not in use Some circuits are active even while the instrument is in the standby state State A trigger program term A step in a trigger program made up of one or more clauses See also clause Storage qualification The process of filtering out data that has been acquired but which you do not want to store in acquisition memory This allows you to avoid filling up your module s acquisition memory with irrelevant data samples Symbolic range generation A Histogram window term The histogram ranges are defined in a range symbol file The highest and lowest ranges depend on the maximum and minimum boundaries for the ranges defined in the symbol file Symbolic radix A format that allows you to substitute mnemonics names for radix numbers in the Trigger and data windows Synchronous acquisition An acquisition that is made using a clock signal generated external to the logic analyzer This clock is usually the clock in the system under test The external clock is usually synchronous with the system under test and may or may not be periodic System trigger trigger all An overriding command to all modules that causes them to stop looking for a trigger and to
104. cription and graphic example of the selected trigger program The trigger list is categorized by trigger program function and is simplified to hide many of the program implementation details allowing you to focus on acquiring and displaying data Once you have identified the EasyTrig ger program that best fits your triggering needs click the trigger program to display the underlying program controls These controls are a simplified representation of the selected trigger program that allows you to select events and set event timer and counter values fF Trigger LA 1 _ of x Drflr Sx afi LE e Jar ThgerPos p EassTigge E Simple Events Trigger immediately Wait for system trigger Trigger on channel low high level Trigger on channel transition edge Trigger on glitch Trigger on group value Select the group and the pattern Click the Radix button to choose a different radix Group 7 A3 jf ox gt Hex Triggers when the specified group pattern occurs Sy rt STA aL ae KOMEAA A AKOA ONNEN K Events A Figure 3 25 EasyTrigger tab structure EasyTrigger Programs One advantage of a logic analyzer is that you can create sophisticated trigger programs so that you can carefully qualify and store only the relevant data This process is simplified by using predefined EasyTrigger programs The programs in the EasyTrigger program list can be used as they are designed or as a framework upon whic
105. d to displaying the data for viewing There are two methods of setting up logic analyzer trigger programs You can either select an existing EasyTrigger program or develop a trigger program using functionality available from the PowerTrigger tab Tektronix Logic Analzyer Family User Manual Setup EasyTrigger programs are designed to help you quickly start acquiring and displaying data The EasyTrigger tab contains a list of predefined trigger programs that contain simplified event conditions You can modify EasyTrigger program event conditions and then rename and save the program to a specified file for later reuse For information about using an EasyTrigger program refer to the online help You can switch between the EasyTrigger tab to modify the trigger program or select another one and the PowerTrigger tab to view or modify state and clause details of the trigger program you selected as many times as needed to acquire the desired data in acquisition memory CAUTION When you edit trigger programs from the PowerTrigger tab you must save your changes before returning to the EasyTrigger tab Otherwise your changes will be lost As you become more comfortable with trigger programming you can use the PowerTrigger tab to both view and modify the predefined EasyTrigger programs resulting in an increasingly complex trigger program designs You can also create new trigger programs using the PowerTrigger tab instead of modif
106. d Series button to define the series Click the OK button to close the dialog box and add the series to the Graph window Reading the Graph Window Indicators Data marks cursors toolbars and other indicators help you navigate and identify data in the Graph window Table 3 24 provides information on some of the tools that you can use with the Graph window Most of these indicators and tools are similar to those in other data windows Table 3 24 Graph window controls and indicators T System trigger The system trigger is the reference point for the acquisition Timing and location information is relative to the system trigger Trigger marks cannot be moved F Module trigger The point at which the module triggered Trigger marks cannot be moved Begin data end data The start and end of a module s data record These data marks cannot be moved These mark exist for both horizontal and vertical axis Cursors Moveable marks used for visual reference and for data measurements There are a pair of cursor for each axis 3 130 Tektronix Logic Analzyer Family User Manual Graph Window Table 3 24 Graph window controls and indicators Cont Checkbox Lock Delta Values Click this checkbox to lock the delta values When you lock the delta values the cursors move across the data simultaneously maintaining a fixed delta time User Marks User created marks Use marks to make specific data more easy to identify and find Tak
107. d samples in a Waveform window 3 82 Figure 3 56 MagniVu data cc cece cece eee erence eens 3 83 Figure 3 57 Route to DSO dialog box cece ee eeee 3 86 Figure 3 58 Route from LA dialog box 0 cece eens 3 87 Figure 3 59 Selecting compare data colors in the Waveform Window property page cece cece cree cece eee evees 3 88 Figure 3 60 Add Waveform dialog box ceeeeeeee 3 90 Figure 3 61 Waveform with a glitch 0 cece cece ween ee 3 91 Figure 3 62 Waveform tab of the Waveform Properties dialog box 3 91 Figure 3 63 Example of an overlay waveform 6 3 93 Figure 3 64 Waveform properties tab cece cee ceees 3 94 Figure 3 65 Listing window 0 ccc ee cee ee ccc eeceees 3 95 Figure 3 66 Listing window cursors and marks 2 3 96 Figure 3 67 Using the Overview Mark bar to jump to a data location cerota eek Fae 6k a Reales ba Casa SS 3 97 Figure 3 68 Defining search criteria 0 cece cece eens 3 98 Figure 3 69 Selecting compare data colors in the Listing Window tab es sac twist Ses Er 0s Cale hae eee ee eae a eed 3 101 Figure 3 70 Viewing compare data in a Listing window 3 101 Figure 3 71 Add Column dialog box ceeceeeeees 3 103 Figure 3 72 Export Data dialog box cece eee eeee 3 105 Figure 3 73 Export Data Options dialog box 206 3 106 Tektronix Logic Analzyer Fam
108. data the logic analyzer uses the system trigger as the primary reference point for the acquisition The data windows show the system trigger and all module triggers Module triggers can be forced by the system trigger or specified by module trigger programs The system trigger can be generated from any of several sources Often the system trigger is specified in a module s trigger program Any module can specify the system trigger as a trigger action Trigger All Modules However modules can specify trigger actions other than system triggers and the system trigger does not have to originate from a module The logic analyzer can also accept a system trigger generated by an external source External system triggers Tektronix Logic Analzyer Family User Manual 3 51 Setup 3 52 are input through the SYSTEM TRIG IN connector Regardless of the source of the system trigger all modules must respond Use the System Trigger dialog box to specify triggering for the overall system The following options allow you to change the trigger programs of all modules from one location m System Trigger Source Modules trigger independently System triggered by the first internal module except L modules that have neither Trigger T for System Trigger actions System triggered by this module LA 1 x Modules tigger using the current custom setup NOTE The option selected will change the trigger behavior of all modules
109. dd clauses and event definitions similar to how you use the logic analyzer trigger windows You can easily display the filtered data by creating a new data window with a defined filter For example to display filtered data in a listing window using a filter named FilterA 1 Click the New Data Window button in the toolbar 2 Select Listing and click the Next button 3 Select LA1 FilterA assuming you want to use LA1 and click the Next button 4 Assign a name to the new window or use the default name and click the Finish button A new data window displays with the filtered data Refer to the online help for examples on creating and using filters with the logic analyzer You can use sample suppression to suppress or hide samples in the display windows This can help you focus on the data that you want to see When you suppress data samples the suppressed samples are still in the acquisition memory you can turn the sample suppression off to view all the data Click the Suppress button at the top of the Setup window to display the Sample Suppression dialog box see Figure 3 4 Select one of the options to define the data suppression You can select a similar dialog box by right clicking in one of the display windows Tektronix Logic Analzyer Family User Manual Setup For more information on data suppression refer to the online help Sample Suppression LA 2 BE After each acquisition reset Sample Suppression to
110. dow 05 Seer er ye ee ata 3 71 Types Of Wavetorms is icc sce wee tees tals 8 a te AR Sees Ra es 3 72 Reading the Waveform Indicators 0 c cee cece cee eee 3 74 Automatic Waveform Measurements 0 0000 c cece eee eee 3 75 Jumping to Specific Data Locations 0 c cee eee eee eee 3 79 Searching Data ic eicy iis iets Mie SAS IE BAe DER SRE Aw 3 80 Filtering Data es ssania i ees Kaka tas Mew ed Re Ras Meas wes SES 3 82 MasniVu Data ies son cia oes Wate ea Saws mee a A ae Dae awa een Sa 3 83 Changing iConnect Data 0 eee ec eee eee 3 85 Comparing Waveform Data 0 eee eee eee 3 87 Adjusting the Waveform Window 0 0 c eee cee cee ees 3 88 Customizing the Waveform Window Data 0 00 00 0 cee eee 3 91 Exporting Waveform Data 0 ieri ren ccc a eens 3 92 Waveform Window Shortcut Keys 0 2 0 cee eee eee eee ee 3 92 Overlay Waveforms 25 oy ee oe to ca ee el aa eS ee Als 3 93 Listing Window ccc eee cece eee c eee eeee tacos tbh te 3 95 Reading the Listing Window Indicators 0 0 00 c eee eee eee 3 95 Jumping to Specific Data Locations 0 00 c cece ee eee eee 3 97 Sade Mn Sata veya inc 2s eek ogee e O eagles RO tees Radek ele ea 3 98 Filtering DAE xt sce ge aN A Win es ae OO Sac ge ie Goa ae Ba 3 99 Ma Si Vile Data te sae gests Sass aa Ea es eee deh BO ie cacao acted WEG 3 99 Comparing Listing Data 0 0 2 A a e
111. dow go to the System window and select a data window icon See Figure 3 45 m To see which modules supply data to a data window go to the System window and click the data window label Notice the lines from the setup icons to the data window icon Hal System lel Digital PLS Logic STUNT asierea Spanier 80n 20n SE a Off Setup 7 ODff Setup a ps0 1 flat IE if embeds w EEE waveform 1l Listing 1 Source 1 l Figure 3 45 Opening a data window Opening a Saved Data Window To open a window displaying data from a saved system file do the following From the Window menu click Load Data Window Click the Browse button to search for the file or enter a path to the file Once the file is found click the Open button Select the data window to load Click OK PN SAE pa a ac If the data window name is not unique you will be prompted for a new name Enter a name and click OK 3 68 Tektronix Logic Analzyer Family User Manual Display Aligning Saved Data with Current Data Locking Windows Saved data and current data are time correlated by aligning their system triggers You can manually adjust this alignment using the Time Alignment dialog box To access the Time Alignment dialog box go to the Data menu and click Time Alignment as shown below Go To Search Forward Ctrl F Search Backward Ctrl B Define Search Moye Cursors To Selection Define Suppression Show Between Gursors Supp
112. dress bus as 44 approximately 3 5 ns earlier than the regular acquisition data With TLA7Axx logic analyzer modules and TLA5000 series logic analyzers you can adjust the MagniVu storage rate downward from the sample rate allowing for a lower resolution of data samples from a longer time period The MagniVu storage rate cannot be set slower than the effective main memory rate according to 1X 2X or 4X modes The available rates are m 8 GHz lt gt 125 ps m 4 GHz lt gt 250 ps m 2 GHz lt gt 500 ps m 1 GHz lt gt 1 ns The MagniVu storage rates are limited by the fastest storage rate of the main memory under 1X 2X and 4X modes The slowest MagniVu storage rate is half of the fastest storage rate of the main memory Table 3 16 MagniVu storage rates 1X MagniVu storage rates 2X MagniVu storage rates 4X MagniVu storage rates 125 ps 125 ps 250 ps 250 ps 500 ps 1ns NOTE MagniVu storage rate adjustments do not affect Setup and Hold violation or Glitch violation Tektronix Logic Analzyer Family User Manual Waveform Window MagniVu Trigger Position The MagniVu trigger position available with TLA7Axx logic analyzer modules and TLA5000 series logic analyzers selects the amount of pretrigger MagniVu data to store and determines the position of the trigger in the data record You can control the MagniVu trigger position independently of main trigger position by a set of controls in the advanced toolbar Onc
113. e Glossary 4 DSO module acquisition 2 2 Autoset 3 44 export binary data 3 107 horizontal controls 3 46 probe calibration 3 43 setup 3 43 Setup window 3 43 trigger controls 3 47 Trigger window 3 47 vertical controls 3 45 Tektronix Logic Analzyer Family User Manual Index E Easy Trigger modifying programs 3 29 program list 3 32 Glossary 4 programs 3 29 3 32 properties 3 32 using programs 3 33 ECOFF See COFF file formats Edge Glossary 4 Edge trigger Glossary 4 Equalities See Data equalities Event condition Glossary 4 Event trigger Glossary 9 Exporting binary data 3 106 data 3 105 histogram data 3 126 listing data 3 105 text data 3 106 Exporting waveform data 3 92 External clock 2 2 Glossary 4 clocking 3 8 signal connectors 3 51 signals 3 51 3 54 3 56 External 2X clocking 3 9 External 2X DDR clocking 3 9 External 4X clocking 3 10 External Oscilloscope connections 3 51 setup 3 48 setup wizard 3 48 trigger settings 3 50 External oscilloscope Glossary 4 Eye diagrams 3 149 F File format COFF Glossary 2 TEEE695 Glossary 5 OMF166 Glossary 6 OMF286 Glossary 6 OMF386 Glossary 6 OMF5S1 Glossary 6 OMF86 Glossary 6 File name extension saved files 3 58 Filtering protocol data 3 137 Filters 2 19 filters 3 82 3 99 Tektronix Logic Analzyer Family User Manual Font in Histogram window 3 124 in Listing window 3 102 in Source window
114. e combination For maximum accuracy execute Probe Cal if either of these conditions have occurred Tektronix Logic Analzyer Family User Manual 3 43 Setup 3 44 Autoset m The ambient temperature has changed more than 5 C m You reconnect the probes to different input channels The Probe Calibration dialog controls all probe calibration cycles and directs you to perform any necessary steps You can calibrate all attached probes or only the probe on the selected channel NOTE Passive or unknown probes are not calibrated You can start a calibration cycle view the progress of calibration and see the results of calibration Once calibration starts the calibration cycle of a single probe cannot be stopped After a calibration cycle completes you can see the status of probe calibration To open the Probe Calibration dialog go to the System window and click the DSO Setup button select a vertical tab Channel x and click the Probe Cal button NOTE You should execute the self calibration if the ambient operating tempera ture has changed more than 5 C since last calibration Also you should execute the self calibration once a week if vertical settings of 50 mV full scale or less are used Perform self calibration after a 30 minute warm up To open the Self Calibration tab from the System menu click Calibration and Diagnostics and then click the Self Calibration tab Use Autoset when you need to see a signal
115. e that you are viewing a hor disassembler group 2 x Figure 3 69 Selecting compare data colors in the Listing Window tab M Listing 3 Pilel Ea fn 4 S AE AJA 4 a LA LAMod1 LA LA LAMod1 LA LA LAMod LA LA LAMod1 LA LA LAMod1 LA LA ooo000000 oooo0000 ooo0oo00 gogogo oo000000 oo000000 ooo00000 01100000 01100000 01100000 01100000 01100000 01100000 Figure 3 70 Viewing compare data in a Listing window Tektronix Logic Analzyer Family User Manual 3 101 Listing Window Adjusting the Listing Window Listing Window toolbar Changing the Display Font Size Moving Columns Adding a New Column or Data Source 3 102 There are a number of actions you can perform in the Listing window to get the exact view of the data that you want The toolbar has shortcut buttons for common operations as shown below Paste Properties Define search Cut Add mark Go To Mark Opcode Select search Euis as io xi s j zel AJ Al 7 Alal Seach zi L i K J Y Y Font size Search Add Copy Search Definitions column Click the Font Size toolbar buttons Continue to click the toolbar buttons until the text reaches the desired size You can also set the font to a specific size using the Listing Window properties Select the column labels and then drag them to their new location Click the toolbar Add Column button to open the Add Column dialo
116. e triggered a module continues to acquire MagniVu data until it fills a specified amount of memory MagniVu memory depth is set to a fixed 16K The Trigger Position field determines the proportion of data that is stored before and after the trigger For example if the Trigger Position is set to 15 and the module triggers then the module continues to acquire data until the remaining 85 of memory is filled The MagniVu trigger position controls mirror the corresponding controls for main memory trigger position They consist of a slider control an edit box and a spin control positioned beneath the main memory trigger controls They behave like the main memory counterparts except that the MagniVu trigger position is constrained by the MagniVu storage rate as shown in Table 3 17 Table 3 17 MagniVu trigger position Storage rates Resulting trigger position constraint 125 ps 0 to 58 in 1 increments 250 ps 0 to 79 in 1 increments 500 ps 0 to 89 in 1 increments Ins 0 to 94 in 1 increments Changing iConnect Data Using the Route to DSO dialog box available from the Waveform window you can change the iConnect data routed from a logic analyzer channel to one of the oscilloscope channels You can change the iConnect data routed from a logic analyzer channel to the currently selected oscilloscope channel using the Route from LA dialog box The channel waveform you select in the Waveform window determines the availability of the r
117. ece ce cece 3 127 Graph Window cc cece cece cece ccc suiet onerat riria 3 129 Creating a Graph Window 0 ec e ea a ea Daa 3 129 Adding a Data Series to the Graph Window 0 00 00 e eee eee 3 130 Reading the Graph Window Indicators 0 0 0 0 cece eee eee 3 130 Taking Cursor Measurements 0 00 00 cece cece eee ees 3 131 Jumping to Specific Data Locations 0 cee eee eee eee 3 131 Adjusting the Graph Window 0 0 0 ccc ccc cece eee eee 3 131 Graph Window Properties 2 0 0 0 cece eee 3 133 Protocol Window cece cece ccc ee renee cereeeereeseces 3 135 Packet View era eion EPEE Pate Wak TA que Pee a le wes 3 136 DE COdE VIEW E E Seog ets E E choy Deak e oe ot see aur 3 136 GX VIC Ws Cash aerstaoetvie he E Ea AEAEE ae E ah ahien oeea a a Ga EAS 3 136 Usine Marks aaiue he anita aint ATE ahh unde ANE at areca wet al 3 136 Selecting Stacks secre cretrs eat E tare Meee Siete de ones EE AE 3 137 Filtering Protocol Display e 64e cteee s ae eras SER Sree os grea ee ea ele 3 137 Searching the Protocol Display 00 cece eee eee eee ee eee 3 138 Protocol Window Properties 0 0 0 cee eee ees 3 139 Generic and Bus Specific Framers 0 0 c cece eee ee eee 3 140 Protocol Designer cererea cenoo ccc ec cee rece O eee e ee eeee 3 143 Protocol Edir Pane erener er Ke Sek hele Wee we Lies aoe 3 144 Compilation Result Pane 0 eee cece eee eee eee 3 144 St
118. ect those modules that currently have a trigger action Logic analyzer trigger actions include Trigger Trigger All Modules and Wait for System Trigger DSO and external oscilloscope modules are always affected because all of their actions result in triggering the module It is not uncommon to have a condition in which the acquisition completed but an explicit system trigger did not occur This means that there was neither an external system trigger nor a system trigger generated internally by a module trigger program To ensure that a time reference exists for the acquisition the logic analyzer must designate a system trigger If no system trigger is generated during an acquisition the modules are internally triggered the logic analyzer designates the latest occurring module trigger as the system trigger NOTE If an acquisition does not complete due to one or more modules not receiving a trigger or not completing post trigger acquisition then you can manually stop the acquisition by clicking the Stop button Clicking the Stop button effectively generates a system trigger and completes the acquisition The system trigger is a latched event and it resets to a false state between acquisitions The external system trigger input uses real time gating and is only active capable of latching system triggers during the actual acquisition period The logic analyzer can also send an internally generated system trigger
119. ection to the logic analyzer Click the Select Channel button to select a new logic analyzer channel to feed the inter probe connection to the oscilloscope channel This button is made available when an inter probe connection is defined Signal routing to the oscilloscope You can specify the inter probe connector and DSO channel through which to route probe data from the specified logic analyzer channel using the Route to DSO dialog box To display the Route to DSO dialog box select Route to DSO from the context menu associated with a selected LA channel waveform The Route to DSO context menu item is enabled only if the selected waveform is a TLA7Axx channel 3 24 Tektronix Logic Analzyer Family User Manual Setup B TE B a l ime Diw 50ns HTE aj C1 50ns Ce 50ns Delta Time 100ns a F Lock Delta Time LA 1 CKO LAT wal DS01 CKO P aman a QO ANN TU Route to DSO Waveform 1 Route LA 1 CKO From Slots 3 4 Through Inter probe Connector To Destination DSO 1 Channell CH 2 A30 DSO 1 Channel CH 3 A3 6 TOS 7404 Channell System Inter probing I Add waveform to view OK Apply Cancel Help Figure 3 19 Route to DSO dialog box The Route to DSO dialog box provides a list of oscilloscope channels that have inter probe connections defined to the logic analyzer If no inter probe connec tions are defined the list is empty If the osci
120. ee eee eee 3 100 Adjusting the Listing Window 00 c cece cee cee eee 3 102 Customizing the Listing Window Data Area 0 00000000000 3 104 Exporting Listing Data 0 0 ee ccc cece eens 3 105 Listing Window Shortcut Keys 0 0 cece ce cee eee 3 108 Source Window Soeur E EEE orua 3 109 Creating a Source Window 0 cece cece teen ene en eee 3 110 Reading the Source Window Indicators 0 0 e ccc eee eee 3 110 Jumping to Specific Data Locations 0 c cee eee eee eee 3 111 Moving Through Source Files 2 0 0 eee cece eee 3 111 Searching for Source Data ias uiau ee eee eee 3 114 Adjusting the Source Window 0 0 0 ccc cece cece eens 3 116 Customizing the Source Window Data Area 0 0000 c cece ee eee 3 116 Locating Source Files jes o ci es eles wed eee eel abies 3 116 Source Window Shortcut Keys 00 cece eee eee en eee ee 3 119 Histogram Window cccccc cece cece nee vevevsrsceens 3 121 Measuring Histogram Data 0 0 0 eee cc cee eee eens 3 122 Creating a Histogram Window 0 ccc eee cee eee ee 3 123 Adjusting the Histogram Window 0 0 eee cee cee eee 3 124 Tektronix Logic Analzyer Family User Manual Table of Contents Customizing the Histogram Window Data Area 000000 3 125 Exporting Histogram Data 0 0 cece cece eens 3 126 Histogram Window Shortcut Keys 0 0 c
121. elected protocol You cannot change the conditions of protocol relations in this tab You can select a display color or set the color to default black The Preview pane displays a preview of the selected color Protocol Setup Protocol Designer j x Protocol Relations m Protocol r Display Color Select message text color to be used by thi Protocol in the Protocol window 2 Color for Foreground Description fis n l far M_NNI Conditions of Protocol Relations Default p gt Presieyy Protocol Designer Cancel Apoly Help Figure 3 95 Protocol tab Relations Tab Protocol Relations is how you define what protocol or protocols is logically above the selected protocol The Relations tab allows you to define what protocol to use to decode the payload data of the selected protocol You can also modify the relations between protocols in a stack To access the Relations tab of the Protocol Setup dialog box right click a protocol in the Stack Definition pane and select Define Relations from the context menu The relations are viewed from a higher order level in the protocol stack and are therefore called on top of relations You can add protocols from the Available Protocols to Current Relations list to create relations between the protocols You can define the type of relation to be Unconditional Single Parameter or Raw Data Tektronix Logic Analzyer Family
122. election 3 14 Tektronix Logic Analzyer Family User Manual Setup To sample the read and write data at the correct time use the Sample Clocks tab Figure 3 12 shows the Sample Clock equation The first equation is to properly sample the read data the second equation is to properly sample the write data These equations qualify the data so that the read and write transactions on the DDR SDRAM bus are sampled The Sample Clocks tab supports up to four sample clocks Each sample clock can have up to four OR d Clock Groups with each Clock Group containing up to three AND d qualifiers Source Synchronous Clocking LA 1 2 x Edge Detectors Clock Groups Sample Clocks Group Clocking Probe Demus Sample Clock Sample Clock 0 hd Clock Group 0 x AND 702 AND Q3 x AND OR Clock Group 0 AND o2 AND 03 7 AND x or M Note Sample Clock 0 is the Master Sample Clock Validate Close Help Figure 3 12 Sample Clocks equations The Group Clocking tab is where you input the Edge Detector Setup Hold Window Clock Group Pipeline Delay and Sample Clock for all of the groups Figure 3 13 shows the selections made in the sample application to properly capture both the read and write data on the DDR SDRAM bus To properly capture and align the common clock groups for both read and write two COMMAND and two ADDRESS groups are set up Remember the read cycle has a CAS latency of three so these two groups
123. eported on the entire set of channels being analyzed Once the analysis completes you can apply the range settings to the setup and hold violation trigger settings for each channel in the application by clicking the Apply button in the toolbar Loading a AutoDeskew Setup You can load AutoDeskew setups by clicking the AutoDeskew Setups icon in the toolbar and then use the AutoDeskew Setups dialog box to create or load a setup For detailed information on loading AutoDeskew setups refer to the online help Applying the AutoDeskew Results 3 156 After you load an AutoDeskew setup or after you complete an acquisition and identify the channels that you want to analyze click the Analyze button in the toolbar AutoDeskew will perform the analysis and then display the results in the AutoDeskew window Tektronix Logic Analzyer Family User Manual AutoDeskew Look at the results in the AutoDeskew window and if needed adjust the settings Use the mouse to drag the suggested sample point to the desired location or use the Suggested Sample Point controls at the right of the screen to select the desired values Click the Apply button to apply the settings the Apply AutoDeskew Results dialog box opens Use this dialog box to apply the Data Valid Window analysis results to one of the synchronous clocking modes or the Setup Hold Violation Window analysis settings to the setup and hold storage violation or setup and hold event violation trigger
124. er back and forth m The separation of edges on the same signal is limited to no less than 2 2 ns 450 MHz for TLA7Axx logic analyzer modules and 4 2 ns 235 MHz for the TLA5000 series logic analyzers m The frequency of the strobes must be equal to or less than the frequency of the master clock or the input data pipeline will overflow For more details on Source Synchronous Clocking refer to the online help Custom Clocking Custom clocking is used only with microprocessor support packages Custom clocking enables and disables a variety of microprocessor spe cific clock cycle types such as DMA cycles For more information see the instructions that came with your microprocessor support package Selecting the Acquisition Use Acquire to select the acquisition mode which determines the type of data to Mode select and store You can store channel data only glitch data setup and hold violation data or blocks of data around requested samples Clocking EEIE i dns Memory Depth 4194304 Acquire Normal gt Support None Normal Mode Normal mode stores only the requested channel data Glitch Storage Mode Internal Clocking Mode Only Glitch mode captures glitch data and regular data for each data channel You must select internal clocking for Glitch mode to be available Glitch storage is independent of glitch events Therefore you can trigger on a glitch even when you are not storing glitches Tektronix Logic Anal
125. er event Therefore there should be no need for a MagniVu forced prefill You can save trigger programs that you have created or modified for future use When saving a trigger program from the EasyTrigger tab use the Save Trigger button from the Trigger window toolbar to save your TLA file This file contains trigger state information as well as information about the currently selected EasyTrigger program If you do not use an EasyTrigger program as the basis for your trigger design but instead use the PowerTrigger tab to develop a new trigger program only the state information is saved Saving your trigger program requires that you specify both a filename and the name of the folder where you would like your customized trigger programs to reside In addition you can enter comments about trigger program construction or functionality in the dialog box You load a saved trigger program by clicking the Load Trigger button from the Trigger window toolbar Then browse to the location where your trigger folder resides and select the desired trigger program You can then view the loaded program from the trigger window The TLA application displays the program you chose to load using the trigger tab from which the program was saved You can also load a trigger program from a list of recently used trigger program files The logic analyzer maintains a list of the ten most recently used trigger files that you load by clicking Recent Trigger Files from
126. er to the online help TLA 700 FF Analysis File Edit Yiew Data System window Help g h Status 1de Run E Figure 3 75 Accessing the New Data Window wizard Reading the Source Window Indicators Data marks cursors and other indicators help you navigate and identify the data Figure 3 76 and Table 3 21 identify and describe data window marks if front rear l return TRUE else return FALSE Data mark bar fine control F int queuefull C3 t if rear 1 QUEVE SIZE front else i F return FALSE Overview mark bar coarse control Figure 3 76 Source window cursors and marks 3 110 Tektronix Logic Analzyer Family User Manual Source Window Table 3 21 Source window cursor and mark summary Description 1 2 Cursors 1 and 2 Moveable marks used for visual reference and for data measurements User mark User created marks Use marks to make specific data easier to identify and find Jumping to Specific Data Locations You can use the Go To dialog box to jump to a new position by selecting any current mark or waveform To open the Go To dialog box open a data window and click the Go To tool bar button You can also use the Overview Mark bar to quickly jump to another location If you do not click a mark clicking in the Overview Mark bar scrolls to that location Moving the cursor between statements in the Source window does not necessar
127. erlay w tm Overlay tm LA 1 Mag_43 3 Overlay fm1 TDS3012 Channel Mag Sample Mag_CKO Mag A34 Move gt gt Mag ASS Mag_AS B C gt gt MaL A37 w gt L 1 Ok Cancel Apply Options Help Figure 3 64 Waveform properties tab m Waveforms Available lists all of the individual waveforms and preexisting overlay waveforms You can move and copy waveforms in this list to the Overlay Waveforms list using the Move gt gt and Copy gt gt buttons respective ly You can also remove waveforms from the Overlay Waveforms list and return them to the Waveforms Available list using the lt lt button m Overlay Waveforms lists the waveforms currently in the selected overlay waveform group You can move and copy waveforms from the Waveforms Available list to this list using the Move gt gt and Copy gt gt buttons respective ly You can also remove waveforms from the Waveforms In Group list and return them to the Waveforms Available list using the lt lt button To change waveform properties from the System window click a Waveform data window icon double click the label of a waveform and then click the Wave form tab To create an overlay waveform click a waveform label and then drag it to a second waveform that you want to overlay As you drag the waveform label a drop marker displays at the left edge of the waveform label Use this marker to determine which waveform label you will be selecting
128. es to zero Click the Stop Analyzing tool bar button to stop analyzing the current acquisi tion This button is inactive when there is no acquisition in process Select the column label separator and drag it to change the width of a column Sort ranges counts and percentages by clicking on the column labels Click the column label to toggle the sort between increasing and decreasing values Click Scale from the View menu Select a new magnification value from the list and click OK You can also click on the percentage column label and select a magnification value Ranges displayed in the Histogram window are based on the values you select in the Ranges properties tab You can define ranges as follows m Linear generation The ranges are divided linearly between two bounds m Log generation The ranges are divided logarithmically between two bounds m Symbols The ranges are defined by the values in a loaded symbol file You can use the same loaded symbol table as in other windows Tektronix Logic Analzyer Family User Manual Histogram Window Splitting the Data Area You can split the data area to compare ranges that are far away from each other within the display Drag the split box from the top of the horizontal scroll bar Customizing the Histogram Window Data Area Use properties to customize data in the Histogram window The Histogram Properties dialog box controls aspects of the Histogram display such as ranges bounds fo
129. f the exported file DSO data values are in twos complement format The formula used for converting a DSO channel field into a voltage is Vertical range in volts 64512 X channel field vertical offset in volts The contents of the window will be sent to the printer or to the specified file Tektronix Logic Analzyer Family User Manual 3 107 Listing Window Listing Window Shortcut Keys You can use the general purpose shortcut keys listed in Table 3 20 to move data and cursors in the Listing window You should also refer to the discussions of short cut keys in the online help or under the section for the individual data windows The shortcut keys also known as accelerator keys or hot keys abide by the following rules m Arrow keys with no modifier keys scroll data m CTRL Arrow keys move the active cursor m The Shift key increases movement by a factor of 10 Table 3 20 Listing window shortcut keys Desired action Key combination Go to next trigger CTRL T Display Go To dialog box CTRL G Move Cursor 1 to the center of the window CTRL 1 Move Cursor 2 to the center of the window CTRL 2 Add a mark CTRL K Add a column CTRL L Scroll data up 10 samples Shift Up arrow Scroll data down 10 samples Shift Down arrow Move active cursor up one sample CTRL Up arrow Move active cursor down one sample CTRL Down arrow Move active cursor up 10 samples CTRL Shift Up arrow Move active cursor down 10 sample
130. for TLA7Axx logic analyzer modules and TLAS5000 series logic analyzers Internal 4X clocking mode allows you to trade three quarters of the input channels for four times the sampling speed and four times the acquisition depth Internal 4X clocking provides a sample rate of 500 ps 500ps ba Memory Depth 67108064 gt Acquire Normal v Suppor Package None Clocking UNELE External Clocking External synchronous clocking synchronizes data sampling with the clock of the target system so you can be more selective about the data you sample This type of clocking is best for state analysis listing data Tektronix Logic Analzyer Family User Manual Setup When you select External clocking you have the option of further selections to define the sample clock To do so you create clocking definitions in the Clocking dialog box Clocking definitions qualify when data is sampled The definitions consist of a Boolean combination of events linking clock and qualifier lines Data is sampled and stored in memory only when the clock definition is true Clocking T More Memory Depth 4194304 br Acquire Normal Support QSTART For more information on External clocking refer to the online help Advanced Clocking Advanced clocking is available only if you select External clocking Use advanced clocking to set up multiple phase clocking probe demultiplexing and other clocking features Multiple phase clocking specif
131. ft 1 52n5 2 167V Upper Right 2 48ns5 2 167V Lower Left 1 52n5 1 866V Lower Right 2 48ns 1 866V General 4 Point Mask Display Time Range Display Volt Range Min Fins Max f10ns Per Di j2ns Offset Os a Min Eg Max 2 7534 Per Div 376m Offset ov Figure 3 97 iVerify window Creating a New iVerify Setup Your logic analyzer must be connected to an external oscilloscope using iView Once you are connect to the oscilloscope through iView you need to define which data channels are routed to the logic analyzer Open the iVerify window by clicking the iVerify button in the System toolbar Then click the Define Setup icon the left most icon in the window to open the Setup dialog box see Figure 3 98 Tektronix Logic Analzyer Family User Manual 3 149 iVerify Channels Tab Clock and Qualifier Tab 3 150 i erify Setup LA 1 DefaultSetup x Setup Mame ES DefaultS etup X New Setup Description Setup Description Channels Clock and Qualifier Analysis Configuration Inter Probing Select By Group By Probe By Name Analyze Show Group Probe Name E I Select all Default Cancel Help Figure 3 98 iVerify Setup dialog box In the iVerify Setup dialog box select the data channels that you want to analyze under the Channels tab Use the other tabs in the dialog box to fine tune your setup After you close the dialog box
132. g box Then select the data source and its associated group or channel to add it to the display If the data source you want is not listed click Add Source to find and select the source The data source can be an installed module or a saved module file See Figure 3 71 New columns are added after to the right of the selected columns or after all columns if none are selected Tektronix Logic Analzyer Family User Manual Listing Window Changing Column Width Cut Copy Paste Changing Radixes Viewing Qualification Gaps Add Column HE Data Source Add Data Source Figure 3 71 Add Column dialog box Click and drag the column label to the desired width If you have a portable mainframe you can also change the column width by selecting the column label and using the front panel Scale control to set the width You can cut copy and paste columns and marks You can also copy text data to the clipboard From there you can paste it to other areas in the application To change a column radix in the Listing window double click the column label to open the Column properties tab Select a new radix To use the Symbolic radix select Symbolic from the list click the Symbol File button and then browse the file system for a symbol file See Symbol Support beginning on page 2 20 for information about using symbols and symbol table files Qualification gaps indicate that data samples were not stored due to storage qu
133. ged modules the probe names are prepended with an additional number such as S2 If the module is part of a five way merge S S2 S3 and S4 are prepended to probe based names No text is displayed for multiple waveform selections System Configuration f ajx Signals Merge Modules Mainframe TLA 754 Slots 3 4 Slots 5 6 Slots 7 8 Slots 9 10 Slots 11 12 Slawe 4 Slave 2 Master Slave 1 Slave 3 OK Cancel Apply Help Figure 3 39 Merging modules Tektronix Logic Analzyer Family User Manual 3 57 Setup Saving and Loading Setups Triggers and Data Once you set up the logic analyzer to your satisfaction you will probably want to save the setup for future use You can save setup information in two ways via a saved system file or a saved module file Refer to the Logic Analyzer Conceptual Model described on page 2 5 The modules consist of the setup trigger and data associated with the physical logic analyzer or oscilloscope module installed in the logic analyzer The system consists of the setup and data for the whole logic analyzer including all the modules and all data windows See Figure 3 40 When you save a module you save all the setup and trigger information for that module When you save a system you save all the setup information for the system including data window display settings and all the module information as well In either case you have the option of saving acquired data System
134. ger marks cannot be moved 3 74 Tektronix Logic Analzyer Family User Manual Waveform Window Table 3 13 Waveform window cursor and mark summary Cont Mark Description gt e Begin data end data The start and end of a module s data record These data marks cannot be moved 1 2 Cursors 1 and 2 Moveable marks used for visual reference and for data measurements User mark User created marks Use marks to make specific data more easy to identify and find Automatic Waveform Measurements Use the Measurement Setup dialog box to select the measurements that will be performed on the DSO waveform s and to select the new measurement setup parameters To display the Measurement Setup dialog box right click the DSO waveform label and select Add Delete DSO Measurement from the context menu Measurement Setup TD53012 Channeli f 2 x Available Measurements Selected Measurements Base T op Determination Automatic Max Frequenc Histogram Min Max Voltage including undershoot At INA for MinMax method Reference Levels r Gating Percent Absolute iene Wacom High Reference 90 Mid Reference 50 Window Boundaries Low Reference 10 E Cursors Set Defaults OK Cancel Apply Figure 3 51 Measurement Setup dialog box m Available Measurements lists all of the available measurements that are supported on the DSO waveform When you select an available measure ment a
135. gnal usage Also you must have correctly set the internal signal attributes in the Signals tab of the System Configuration dialog box Internal signaling is accomplished through trigger actions specified in the Clause Definition dialog box and the DSO Trigger tab NOTE Arming and internal signaling are mutually exclusive You cannot simultaneously arm modules and set signals You can test for a set signal for example If Signal X Is True but unless you have designated an external signal for this purpose you will be unable to set the signal when using the arming feature Signal Logic Function To use internal signals you must select which internal signal logic function is appropriate for your trigger program Signals 1 and 2 high speed can be asserted by only one module each For signals 3 and 4 the modules can be wired OR or wired AND Selecting the OR function means that any module can assert the signal Selecting AND means that all modules must set the signal for it to be asserted The same logic applies to clearing signals Tektronix Logic Analzyer Family User Manual 3 55 Setup External Signals System Trigger In Out Connectors Merging Modules 3 56 The logic function applies only at a module level not to multiple set clear statements within a single module NOTE Be careful when using wired AND internal signals If your trigger depends on an internal signal all modules must set the signal for it to be
136. graphic and a brief description of the measurement are displayed beneath the Available Measurements list box Table 3 14 describes the available measurements Tektronix Logic Analzyer Family User Manual 3 75 Waveform Window 3 76 Selected Measurements displays up to three DSO waveform measurements that you select You can modify the list of selected measurements using the Add gt gt and Remove lt lt buttons If more measurements are desired you can duplicate a waveform and select three additional measurements Base Top Determination allows you to select the method for determining the base and top for a selected measurement automatic histogram or min max The default setting is automatic which lets the logic analyzer choose between histogram and min max for the waveform under test Changes made to the base top determination apply only to the selected measurements m The Reference Levels group box enables you to select either absolute or percentage based reference levels for the measured waveform After selecting the type of waveform reference level you can either set the High Mid and Low Reference levels or elect to use the defaults Changes made to the reference levels apply to all measurements Table 3 15 lists the available reference levels and provides a description of each m The Gating group box enables you to select the area of the waveform over which the measurement is calculated You can select the entire w
137. h to build more complex programs With this in mind the trigger programs should be viewed as a starting point for your program development or as programming examples EasyTrigger programs are designed to accept data across predefined channels using a specific clocking mode Therefore you must specify the required channel grouping and clocking mode using the LA Setup window before using these trigger programs Tektronix Logic Analzyer Family User Manual Setup Using an EasyTrigger Program You use an EasyTrigger program by selecting one from the EasyTrigger program list Depending on the trigger program that you select there may be event conditions for you to specify before clicking the Run button and acquiring data If you require further modifications or want to view the program details you can view the program from the PowerTrigger tab PowerTrigger Properties The PowerTrigger tab provides access to the full low level trigger capabilities of the logic analyzer It can also be used to view and modify the underlying details of an EasyTrigger program The Overview shows the general structure of the trigger program The Trigger Detail summarizes activity within individual program states You can click the If Then button in the Trigger Detail to open the Clause Definition dialog box which contains trigger programming details iF Trigger LA 1 z D t r S as 9 p ae Storage Jai Trigger Pos ip Trigger LA 1
138. he amount of pretrigger data specified For example if you set the trigger position to 50 and set the logic analyzer to trigger on a processor reset start the logic analyzer and then power on your target system the logic analyzer will trigger However the logic analyzer memory will be filled only with post trigger data not any pretrigger data This is due to the trigger event which has higher precedence occurring before the pretrigger condition is satisfied Force Main Prefill available in TLA7Axx logic analyzer modules and TLASO00 series logic analyzers sets the main prefill amount that must be met before the trigger state machine is activated When you use Force Main Prefill functionality you specify which data samples are stored by selecting the desired sample type from the Storage drop down list Note that when you select either the None or Stop Start storage settings the Force Main Prefill check box and related functionality become unavailable System triggers produced by instruments other than the TLA7Axx logic analyzer modules or TLA5000 series logic analyzers override force prefill functionality and immediately start execution of the trigger state machine An externally generated system trigger does not purge the force prefill data samples stored in main memory However the TLA7Axx logic analyzer module or the TLA5000 series logic analyzer stops acquiring further prefill data samples and begins acquiring postfill data samples un
139. he first file that matches the criteria in the file suffix list The logic analyzer searches for files using both lists from top to bottom Therefore you should place the most likely search path or file suffix at the beginning of the lists Tektronix Logic Analzyer Family User Manual Source Window The search path lists and the suffix lists in the Source Files properties tab are valid only for the current Source window If you want to save the settings as defaults click Save settings as application defaults near the bottom of the window see Figure 3 79 on page 3 117 The settings will be saved to the System options Source Files tab and will be used each time you create a new Source window Source Window Shortcut Keys You can use the general purpose shortcut keys listed in Table 3 22 to move data and cursors in the Source window You should also refer to the discussions of shortcut keys in the online help or under the section for the individual data windows The shortcut keys also known as accelerator keys or hot keys abide by the following rules m Arrow keys with no modifier keys scroll data m CTRL Arrow keys move the active cursor m The Shift key increases movement by a factor of 10 Table 3 22 Source window shortcut keys Desired action Key combination Display Go To dialog box CTRL G Move Cursor 1 to the center of the window CTRL 1 Move Cursor 2 to the center of the window CTRL 2 Add a mark CTRL K Scroll d
140. heir files unreadable by the TLA logic analyzers Color range symbols Color range symbols define the beginning and ending group values where color is displayed Compression Footprint A connectorless solderless contact between the customer PCB and the P68xx probes Connection is obtained by applying pressure between the customer s PCB and the probe through a Z axis elastomer Tektronix Logic Analzyer Family User Manual Glossary Cursors Paired markers that you can use to make measurements between two data locations Custom clocking Custom clocking is used only with microprocessor support packages Custom clocking can enable and disable a variety of microprocessor specific clock cycle types such as DMA cycles Data differences Highlighted data in a Listing or Waveform window that indicate that there are differences between the acquired data and saved data during a compare operation Data equalities Highlighted data in a Listing or Waveform window that indicate that there are no differences between the acquired data and saved data during a compare operation Data sample The data logged in during one occurrence or one cycle of the acquisition clock A data sample contains one bit for every channel Data series A group of related data points that are plotted in a Graph window Each series in a graph has a unique color or pattern You can display one or more series in a graph Data window A window used to display acqui
141. i ly move the cursor in the same direction in the Listing window This can happen for example if the statement in the new location was executed both before and after the statement in the old location such as when the statement is in a loop The Scan Listing box sets the scan direction in a Listing window when you move the cursor in the Source window Moving Through Source Files There are several ways of moving through the data in source files You can move through source files from the Source window or from the Listing window When you move a cursor in one window the corresponding cursor in the other window also moves Use the Step Forward or Step Backward buttons see Figure 3 77 to step through source statements in execution order in the Source window You can also use the Next Mark or Previous Mark buttons to jump to the next or previous executed source statement that has a user defined mark Use the cursor controls in either window to move the cursors You can also move the cursors in either window by clicking and dragging the cursor handles or by adjusting the cursor spin box controls Tektronix Logic Analzyer Family User Manual 3 111 Source Window Source Relative Cursor Positioning Listing Relative Cursor Positioning Step Forward and Step 3 112 Backward Buttons Scan Listing Later r e0453c 3 r 2 Step Next Backward Mark Step Active Previous Forward Cursor Mark Figure
142. ialog to incorporate whatever signal path delay is determined for the oscilloscope individual signal The delay is a single time value based on both the cable length and the particular path of the logic analyzer channel feed Signal routing from the logic analyzer You can specify the logic analyzer channel through which probe data is sent to the currently selected oscilloscope channel using the Route from LA dialog box To display this dialog box select Route from LA from the context menu associated with a selected oscilloscope channel waveform Tektronix Logic Analzyer Family User Manual 3 23 Setup iweveforma e ee e Gi gt frimeow fons A 2S QI Ci jas ee jos Delta Time jas lF Lock Delta Time DSO 1 CKO Cl C2 Delta aco Route from LA Woveform 1 TSE ER E To DSO 1 Channell LAT Mag CKO From Feed Through Inter probe Connector a i ed CKO CH 1 Slots 3 4LA1 DSO 1 Sample s Select Channel System Inter probing Q Apply Cancel Help Figure 3 18 Route from LA dialog box The Route from LA dialog box displays the currently defined inter probing connection and its feed for the oscilloscope channel This item cannot be selected and is displayed for information purposes only If no inter probing connection is defined for the oscilloscope channel the field is empty Click the System Inter probing button to change the contents of the scroll list by adding or changing the conn
143. icate the type of entry The paths in a path file will be searched according to the position of the entry in the property page and in the order of the paths listed in the file The search order is deter mined as if the entries in the property page were replaced with the contents of the path file When specifying the search path you can use an asterisk as the final component of a search path directory For example if you specify the following path C MySources the MySources directory and all directories one level deep within MySources will be searched However you cannot use the asterisk as a general purpose wild card character For example the use of an asterisk in C MySources or C MySources abc is invalid You must specify the complete absolute not relative path name for the file in the Search Path List Otherwise the Source window will not locate the source file Make sure that the source file you are looking for has a unique file name When searching for source files it is possible to load the wrong file if there is another file with the same name in the directories specified by the search path The Source window always loads the first file that matches the search criteria Because some compilers do not include a source file suffix in the symbol file you may also need to specify the correct file suffixes in the file suffix list examples of correct file suffixes are c cpp and s The Source window will always load t
144. ies two different sample clock equations and assigns an equation to separate probe groups in order to clock in sample data You can also sample data from different channel groups at different points in time relative to the sample clock through a variable setup and hold window For more information on advanced clocking refer to the online help External 2X Clocking Available in TLA7Axx logic analyzer modules and TLA5000 series logic analyzers External 2X clocking allows you to acquire listing data at twice the normal maximum sample frequency of the logic analyzer However this increased speed and acquisition depth come at the expense of half the acquisition input channels You can access advanced 2X clocking functionality by clicking the More button The 2X Clocking dialog box allows you to select the active clock edge and to align data in relation to the specified clock edge for each channel group The Setup Hold window graphic illustrates your clock edge and data alignment settings External 2X DDR Clocking Available only on TLA7Axx modules External 2X Double Data Rate DDR clocking allows you to acquire data on both the rising and falling clock edges at clock rates up to the normal maximum sample frequency of the logic analyzer In this mode half the logic analyzer input channels are traded for twice the data rate and twice the acquisition depth When you use External 2X DDR clocking you acquire data using a clock rate of up to 450
145. il the post fill requirement is met Trigger position Where the trigger resides in acquisition memory Electing to place the trigger in the center of memory means that half of the acquisition consists of data that occurred after the trigger Trigger program A series of conditions similar to software code that defines the data you want to capture and view The trigger program also specifies actions for data events The trigger program filters acquired data to find a specific data event or series of data events The trigger program can accept information from other modules or send signals external to the logic analyzer TSF TLA Symbol File format a text format The TSF format is used by the logic analyzer when it exports symbol files Unassert To cause a signal or line to change from its logic true state to its logic false state Tektronix Logic Analzyer Family User Manual Glossary 9 Glossary Waveform window A data window used to observe timing relationships in the system under test The acquired data is displayed as a series of waveforms Way station An intermediate probe part used to connect the heads of the P6810 and P6880 Probes to a single ribbon cable Word recognizer A trigger term Word recognizers are specific patterns of data or words Use word recognizers to trigger the logic analyzer on specific data combinations Glossary 10 Tektronix Logic Analzyer Family User Manual Index Index Symbols tbf format
146. ill appear in the center of the Graph window Use the Abort toolbar button to stop the processing of data in the graph The data series will not be updated You may want to abort the data processing if the data takes too long to process due to size and other reasons Tektronix Logic Analzyer Family User Manual Graph Window Graph Window Properties Use the Graph window property pages to define the appearance of the Graph window format the displayed data setup and identify data marks and view the hit frequency Access the property pages by clicking the Properties button in the Graph window You can then select one of the tabs to view the details for that property page About Data Property Page The About Data property page provides information on the data sources for the Graph window This property page is similar to the About Data property pages for the other data windows Graph Window Property The Graph Window property page allows you to view or change the Graph Page window settings Use the settings to do the following tasks m Turn the graticule on or off m Define the appearance of the graticule m Define the X axis and Y axis settings such as labels the minimum and maximum value of each axis and the readout radix m Turn the readouts on or off and change the color of the readouts m Specify the background color of the Graph window m Enable or disable automatic updates for the Graph window m Define the ranges of the X ax
147. ily User Manual Table of Contents Figure 3 74 Source Window ccc cece eee c eee eeeeees 3 109 Figure 3 75 Accessing the New Data Window wizard 3 110 Figure 3 76 Source window cursors and marks 6 3 110 Figure 3 77 Source window controls ceeeeeeeeeees 3 112 Figure 3 78 Defining source search criteria 000 3 115 Figure 3 79 Source Files property page cceceeeeees 3 117 Figure 3 80 Modify Search Path list dialog box 3 118 Figure 3 81 Histogram window eceeececeeeceees 3 121 Figure 3 82 Selecting the data source for the Histogram window 3 122 Figure 3 83 Measuring events with the Histogram window 3 123 Figure 3 84 Export Histogram dialog box 0 e000 3 126 Figure 3 85 ASCII histogram data file 0 eee e eee eee 3 127 Figure 3 86 Graph window cc ccc cc cee ee cer eeceees 3 129 Figure 3 87 Graph window toolbar cece eceeceeee 3 131 Figure 3 88 Protocol window ccceececece cere ceees 3 135 Figure 3 89 Select Stack dialog box 0 cece eee eeeee 3 137 Figure 3 90 Protocol window filter setup eee eeeee 3 138 Figure 3 91 Search dialog box cece eee cece renee 3 139 Figure 3 92 Protocol Designer Window eeeeeeeees 3 143 Figure 3 93 Protocol Editor and Compilation Result Panes 3 144 Figure 3 94 Stack Definition and Stac
148. in Search forward gt 6 Ee akc Time Div Sos we SU th Search Add mark Properties Zoom to selection Select search Search Add waveform Go To definitions Moving Waveforms Select the waveform labels and drag them to their new location Adding a New Waveform Click the toolbar Add Waveform button to open the Add Waveform dialog box or a Data Source Then select the data source and its associated group or channel to add it to the display To select a group first click By Group See Figure 3 60 Then from the list select a group name indicated by the symbol Default groups are displayed as busforms You can also choose to display a group as a magnitude waveform Double click the waveform label From the waveform properties page click Options and select Magnitude To select individual channels first click By Probe Then from the list select the channel s If you have named individual channels in the LA Setup window you can click By Name to list just those channels If the data source you want is not listed click Add Data Source and find and select the source The data source can be any logic analyzer data from a saved module file See Figure 3 60 New waveforms are added after the selected waveforms or after all waveforms if none are selected Tektronix Logic Analzyer Family User Manual 3 89 Waveform Window Changing Waveform Label Width Changing Waveform Height Changing the Displayed Time Div
149. indow where you can view the overall activity of the software You can use this method of analyzing data to determine which sections of code are being accessed or not accessed You can also determine the time spent in a routine relative to other areas of code Figure 3 81 is an example of viewing address activity in a software application using symbolic ranges Tektronix Logic Analzyer Family User Manual Histogram Window Measuring Counter or Timer Events Single Event To measure an event you define a starting point a target event a counter or a timer and a stopping point in the Trigger window Use the Data Source properties tab to select the counter or timer as the data source for your analysis When you acquire data the Histogram window displays the minimum maxi mum and average value of the counter or timer data as shown in Figure 3 83 E Histogram 1 ile Es AIA 33 Ol Percentages Based On Matched Samples x 7 Minimum 49 748 140 ms Maximum 266 028 31 2 me Average 159 580 797 ms Range Count 40 33 939 999 999 3 339 999 10 000 000 39 993 999 100 000 000 999 999 999 000 000 000 9 999 999 999 10 000 000 000 1239 999 999 999 1 40 000 000 000 16 39 999 999 999 16 40 000 000 000 21 46 39 999 999 999 2346 340 000 000 000 27 46 39 999 999 999 000 000 9 9 46 40 000 277246239 999 999 999 46 40 000 000 000 2501 59 59 254 740 991 Seccscscsonrosossooos Figure 3 83 Me
150. ing Selecting groups of channels When you select multiple digital channels to output you can assign them to one or more analog output channels by selecting the check boxes associated with the target channels If you are interested in more digital channels than you have analog outputs use the Analog Feed Cycling buttons to cycle the selected digital channels through the selected analog outputs You can additionally direct the system to exclude channels assigned to un checked outputs from being reassigned which guarantees that channel assign ments to unselected outputs are preserved To do so select the check box labeled Exclude channels assigned to unchecked outputs NOTE The system only reassigns digital channels when the assigned digital channel is a member of the channels that you specified for output in Selected Channel s and the analog output channel to which the digital channel is assigned is not selected If one or more of the selected digital channels are already assigned to an analog output those channels are highlighted in yellow under Select Channel s As you feed digital channels to the selected analog output channel s this highlighting changes to reflect current channel routing The Current Routing group box displays read only details about the assignment of individual data signals to analog outputs and the oscilloscope input ports to which they are physically connected It additionally provides a System Inter prob
151. ing Acquired Data Against Saved Data You can use the logic analyzer to compare acquired data against saved reference data Use the Setup menu to define the data channels that you want to use during the compare operations You can further define the number of samples that you want to compare as well as data alignment offset In the Listing and Waveform windows you can use color to quickly identify the compared data You can set up one color to show where the acquired data does not equal the reference data You can use another color to show where the acquired data equals the reference data Figure 2 17 shows a Listing window during a memory compare operation Notice that some of the data under the LA 2 A2 column appears in a different color indicating that there were differences between the acquired data and the reference data FB Listing 3 Of in amp S AE ajA a Ti LA 2 00 T LAS CA Z 1 2 2 Sod TTA 01100000 01100000 01100000 0110000 01100000 ccce DADA DAPI PY LAhod1 L A A A A A A LA T 01100000 J uD 09 Oe kU BO 2o90gaa ojo gjg ohne a e 5 LAMod1 LA 2 n A2 Figure 2 17 Using color to show memory differences in a Listing window Tektronix Logic Analzyer Family User Manual 2 17 Operating Basics Repetitive Acquisitions 2 18 Use the Repetitive acquisition features of the logic analyzer to automate repetitive and time consuming tasks For example yo
152. ing Cursor Measurements Use the X and Y cursors to take measurements in the Graph window similar to the way you use them in the Listing and Waveform windows Move the cursors to the points that you want to measure and then read the indicators Use Lock Delta Time to lock the cursors together Jumping to Specific Data Locations You can use the Go To dialog box to quickly jump to a new position by selecting a current mark or data series This dialog box is useful for jumping to a mark or data series that may be off screen To open the Go To dialog box open a Graph window and then click the Go To toolbar button Adjusting the Graph Window The Graph window toolbar buttons let you perform a number of actions to adjust the window display to meet your needs You can access most of the Graph window controls directly from the toolbar buttons Other buttons invoke either dialog boxes or property pages where you can supply specific information to adjust the Graph window If you are unsure of the purpose of the individual buttons use the tool tips to identify the buttons Figure 3 87 shows an example of the Graph window toolbar nix EIC Slaa mealla e Horizontal Cursors Vertical Cursors v f ve Delta 1 X1 23554382 K2 23554482 Delta fe00ns I Lock Delta Values Figure 3 87 Graph window toolbar Adding Series Click the Add Series toolbar button to open the Add Series dialog box where you can add a new data series f
153. ing and arming another module Tektronix Logic Analzyer Family User Manual 3 47 Setup Trigger Position Trigger position sets the amount of data in the data record that occurs before the trigger To set the Trigger Position use the slider or enter a numeric value as shown below M Trigger Position TEET 50 Event Based Selections Depending on the trigger event you choose other selections may become available Refer to the online help for further informa tion Setting Up the iView External Oscilloscope 3 48 The iView External Oscilloscope Cable allows you to connect your logic analyzer to an external oscilloscope enabling communication between the two instruments The Add External Oscilloscope wizard which is available from the TLA application System menu will guide you through the process of connecting the iView cable between your logic analyzer and external oscilloscope A setup window is also available to assist you in verifying changing and testing the external oscilloscope settings Before acquiring and displaying a waveform you must establish a connection between your Tektronix Logic Analyzer and external oscilloscope using the Add External Oscilloscope wizard Tektronix Logic Analzyer Family User Manual Setup External Oscilloscope The Setup tab contains the external oscilloscope model number the assigned Setup GPIB address and indicates whether the external oscilloscope is currently
154. ing button that you can click to reassign oscilloscope destination of data signals 3 22 Tektronix Logic Analzyer Family User Manual Setup NOTE The iConnect dialog box retains the channel assignment settings for each TLA7Axx logic analyzer module represented in the System window When using Analog Feed Cycling functionality you can assign channels using one of the control buttons then close the dialog box Later when you reopen the dialog box you can resume assigning digital channels to analog outputs However if you change either the setup of groups or any channel names channel assignment settings will return to defaults the next time the dialog box is opened Because the TLA application cannot sense probe physical connect disconnects it is unable to manage logic analyzer or oscilloscope mapping automatically Therefore you must use the System Inter probing dialog box to manually specify which connectors between the logic analyzer and oscilloscope are fitted with probe connections NOTE Only TLA7Axx logic analyzer modules DSO modules and external oscilloscopes can be displayed in the System Inter probing dialog box When an inter probing connection is created the system changes the oscillo scope signal name to reflect the logic analyzer channel that is feeding it The signal name is visible in both the DSO Setup channel tabs and the waveform element label The system also automatically adjusts the time alignment d
155. ing dialog box allows you to specify edge detectors define clock groups create clocking equations demulti plex data and set up advanced clocking parameters Once you have set all Tektronix Logic Analzyer Family User Manual Setup clocking parameters you can click the Validate button to check that no source synchronous click setting conflicts exist Figure 3 7 shows a typical DDR SDRAM read data transfer illustrating how the source synchronous clocking feature can be used to acquire data from a Double Data Rate DDR SDRAM memory bus T1 T2 T3 T3n T4 T4n T5 T5n COMMAND ADDRESS DQs DQ i 1 E o O O Oo DON T CARE TRANSITIONING DATA Figure 3 7 Typical DDR SDRAM consecutive READ bursts Tables 3 1 and 3 2 show the channel assignments and group definitions respectively for the SDRAM signals contained in Figure 3 7 Table 3 1 Channel assignments SDRAM signal DQS CK CAS WE CS RAS Tektronix Logic Analzyer Family User Manual Logic Analyzer channel CK1 CKO CK3 CK2 C2 3 C2 2 3 11 Setup Table 3 2 Group definitions Group name Channels CK CS RAS CAS WE coniro CS RASH CASH WE E3 7 0 E2 7 5 Address E1 7 0 E0 7 5 As indicated in Figure 3 7 DQS is used as the strobe and the data is edge aligned with the strobe For the read cycle the setup hold window must be set to sample the d
156. ing window 3 108 menu keys 3 62 Source window 3 119 Waveform window 3 92 iConnect 3 21 changing data 3 85 changing data from the Waveform window 3 85 iConnect Analog Feeds dialog box 3 22 IEEE695 file format Glossary 5 Intermodule signals 3 54 Internal 2X clocking 3 8 Internal 4X clocking 3 8 Internal clock 2 3 Glossary 5 Internal clocking 3 8 Internal signal 3 54 3 66 Glossary 4 Interpolation 2 13 Glossary 5 iVerify 3 149 creating a new setup 3 149 performing measurements 3 151 setup requirements 3 149 window properties 3 151 iView cable 3 48 J Jumping to specific data locations 3 79 3 97 3 111 3 131 L LA module Glossary 5 See also Logic analyzer Linear generation 3 124 Glossary 5 Listing window Glossary 5 accelerator keys 3 108 Index 4 changing font size 3 102 columns 3 102 customizing the display 3 104 disassembly format 3 104 exporting binary data 3 106 exporting data 3 105 exporting text data 3 106 filtering data 3 99 hot keys 3 108 jumping to specific data locations 3 97 LA module 3 95 qualification gaps 3 103 searching data 3 98 shortcut keys 3 108 Listing data concepts 2 6 Load Symbol Options dialog box 2 25 Load System Options dialog box 3 59 Loading symbol files 2 24 Locking windows 3 69 Log generation 3 124 Glossary 5 Logic analyzer acquisition 2 1 block diagram 2 2 conceptual model 2 5 description 1 2 export binary d
157. is and Y axis Series Data Property Page The Series Data property page allows you to view or change the appearance of the data series in the Graph window Use the settings to do the following tasks m Select the individual data series m Define a title for each data series m Define the ranges of the data series m Normalize the data series Tektronix Logic Analzyer Family User Manual 3 133 Graph Window Series Format Property Page Marks Property Page Hit Frequency Property 3 134 Page Use the Series Format property page to change the appearance of one or more data series Use the settings in the property page to do the following tasks m Display the data series with data points only straight lines with or without data points or curved lines with or without data points m Change the style color and thickness of the data points m Change the style color and thickness of the lines m Preview a sample of the data series format in a graphic image The Marks property page allows you to view and change the properties of marks in the Graph window This is very similar to the Marks property page in the Listing and Waveform windows The Hit Frequency property page allows you to define colors for the hit ranges of the graph Select one of the color schemes from the drop down list These color schemes are similar to those used with Tektronix TDS oscilloscopes You can invert the colors for each range of hit frequencies Use
158. isplay format of disassembly groups You must have a support package loaded for this page to be active Splitting the Data Area You can split the data area to compare columns that are far away from each other within the display Drag the split box from the left end of the horizontal scroll bar Customizing the Listing Window Data Area Use the Listing Properties dialog box to customize data in the Listing window The related properties tabs control aspects of the listing display such as size color and in some cases enabling or disabling whether an element is shown Click the Properties toolbar button to display the Listing Window properties Then select one of the properties tabs to change the data you are interested in 3 104 Tektronix Logic Analzyer Family User Manual Listing Window Exporting Listing Data Use the Export Data dialog box to export data from the current listing window to a text file or to a binary file This is a way to print a copy of a complete or partial listing Figure 3 72 shows the Export Data dialog box Export Data HE Save in E My Documents E jE Listing 1 txt Z Listing 11 tet File name Listing Atat Save as lype Text File txt x Cancel Export range Help CA k C Marke Options From Euron id Close Cursor 2 Samples From LA 1 l Tafla x fioo Figure 3 72 Export Data dialog box You can export the following listing data m All listing
159. ix Logic Analzyer Family User Manual Setup Only one module in the system can drive Signal 1 and only one module can drive Signal 2 When used with the expansion mainframe all modules that drive Signal 3 should be in the same mainframe and all modules that drive Signal 4 should be in the same mainframe NOTE The logic analyzer and DSO modules use a logical expression True False for Signals 1 2 3 and 4 However pattern generator modules use a physical expression High Low for these signals Refer to your TLA7PG2 Pattern Generator module documentation for information to convert physical expressions to logical expressions or vice versa Internal Signals All logic analyzer modules can set and clear any of the four internal signals The DSO can set but not clear any signal The logical output of these signals can be used as an event in other modules trigger programs You can also connect the internal signals to the External Signal In and External Signal Out connectors on the mainframe so that you can use an external signal as a trigger event or send a signal out when a trigger condition is met Internal signaling is for users with special trigger programming requirements Internal signaling adds flexibility to trigger programming but also adds complexity When using internal signaling you must take care that the signals are correctly set and cleared and that the trigger programs for all modules are compatible with regard to si
160. k Analysis Select By Group C By Probe By Nome Analysis Apply Group Probe Name 7 a ica M Select all IT Use Demux settings for current clocking mode Figure 3 102 AutoDeskew Setup dialog box Tektronix Logic Analzyer Family User Manual AutoDeskew Channel Tab Use the Channel tab to list channels by group by probe or by a user defined name Then specify the channels that you want to analyze by selecting the check box associated with each group or channel in the Analysis column To select or clear all Analyze or Apply check boxes select the check box located next to the Analyze or Apply column title Clock Tab Use the Clock tab to set up the clock definitions for the Data Valid Window and Setup and Hold Violations Window analysis The Clock tab contains inputs that you use to specify the clock clock transition edge and qualifiers to use for the analysis NOTE When you choose Custom AutoDeskew mode clock definitions are derived from the support package The system displays a message indicating that the clock definitions will be handled by the AutoDeskew setup you selected from the support package Analysis Tab Use the Analysis tab to specify parameters for Data Valid Window and Setup Hold Violation analysis The Data Valid Window group box contains the Start Setup and End Hold controls that specify the beginning and end of the analysis range for all channels Positive values represent times before
161. k Protocol Information panes 3 145 Figure 3 95 Protocol tab 2 0 0 0 cece cc ccc cece cere eeeees 3 147 Figure 3 96 Relations tab ccc cece cee eer e eee eeee 3 148 Figure 3 97 iVerify Window 0 ccc cece cece cece ree eees 3 149 Figure 3 98 iVerify Setup dialog box ccc ee eee eeees 3 150 Figure 3 99 iVerify Window tab with 4 point mask Measurement settings cee cece eee r cece cee eeeevees 3 152 Figure 3 100 Eye Coloration tab cece cece eee eee 3 152 Figure 3 101 AutoDeskew window ecececececeees 3 153 Figure 3 102 AutoDeskew Setup dialog box 0 8 3 154 Figure 3 103 AutoDeskew Properties dialog box 3 157 vii Tektronix Logic Analzyer Family User Manual Table of Contents List of Tables viii Table i Tektronix Logic Analyzer Family documentation xi Table 2 1 Using symbols in logic analyzer windows 2 21 Table 3 1 Channel assignments cece cece cece cence 3 11 Table 3 2 Group definitions 1 0 0 0 ccc cece cece cece eee eee 3 12 Table 3 3 Trigger events cece ccc c cree cere eee eeeee 3 35 Table 3 4 Trigger resources 00 c cece cece cece cece eeeee 3 36 Table 3 5 Trigger actions 0 cece cece cece cece ee ee ee eee 3 38 Table 3 6 Trigger storage 1 ccc ccc ccc cece cee eee eenees 3 40 Table 3 7 MagniVu trigger position cece eee e ewes 3 42 Table 3 8 Externa
162. l oscilloscope setups cceeeeeevees 3 49 Table 3 9 External oscilloscope trigger settings 3 50 Table 3 10 System trigger source 0 cee cece cece eeees 3 52 Table 3 11 Menu shortcut keys cece cece cece ee ee eee 3 62 Table 3 12 General purpose data window shortcut keys 3 70 Table 3 13 Waveform window cursor and mark summary 3 74 Table 3 14 Automatic waveform measurements 3 76 Table 3 15 Waveform reference levels 0eceeeeeees 3 78 Table 3 16 MagniVu storage rates cee cece cece eens 3 84 Table 3 17 MagniVu trigger positon 0 cece ee eee eens 3 85 Table 3 18 Waveform window shortcut keys 000 3 92 Table 3 19 Listing window cursor and mark summary 3 96 Table 3 20 Listing window shortcut keys 0e000 3 108 Table 3 21 Source window cursor and mark summary 3 111 Table 3 22 Source window shortcut keys eeeeeeeee 3 119 Table 3 23 Histogram window shortcut keys 500 3 127 Table 3 24 Graph window controls and indicators 3 130 Tektronix Logic Analzyer Family User Manual ee a General Safety Summary To Avoid Fire or Personal Injury Symbols and Terms Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it To avoid potential hazards use this product only as specified Only qua
163. lified personnel should perform service procedures Use Proper Power Cord Use only the power cord specified for this product and certified for the country of use Connect and Disconnect Properly Do not connect or disconnect probes or test leads while they are connected to a voltage source Ground the Product This product is grounded through the grounding conductor of the power cord To avoid electric shock the grounding conductor must be connected to earth ground Before making connections to the input or output terminals of the product ensure that the product is properly grounded Observe All Terminal Ratings To avoid fire or shock hazard observe all ratings and marking on the product Consult the product manual for further ratings information before making connections to the product The common terminal is at ground potential Do not connect the common terminal to elevated voltages Do not apply a potential to any terminal including the common terminal that exceeds the maximum rating of that terminal Do Not Operate Without Covers Do not operate this product with covers or panels removed Use Proper Fuse Use only the fuse type and rating specified for this product Avoid Exposed Circuitry Do not touch exposed connections and components when power is present Do Not Operate With Suspected Failures If you suspect there is damage to this product have it inspected by qualified service personnel Do Not Operate in Wet Da
164. lloscope list contains the desired LA channel then that list item is selected by default Select an oscilloscope channel and click OK to feed the logic analyzer channel to the inter probe connection attached to the oscilloscope channel The check box named Add new waveform to view is not selected by default because the waveform view typically already contains waveforms for the oscilloscope of interest Selecting this check box and clicking OK will add a waveform of the selected oscilloscope destination to the view Click the System Inter probing button to change the destination list contents by adding or deleting the connections for the logic analyzer Tektronix Logic Analzyer Family User Manual 3 25 Setup 3 26 Activity Indicators Use the Activity tab located in the Probe Properties dialog box click the Probes button located in the Setup window to show the real time signal activity at the logic analyzer probe tip without having to acquire data The activity symbols indicate whether the signals at the probe tip are high low or changing See Figure 3 20 Probe Properties LA 1 2 x Activity Thresholds Info Clk Qual CKO CKI Qo CK CK3 QI Q3 Probe ASG OTT ST AGE T ST esac D3 0 am lt TTtt D1 7 0 m titt GRA aTa aan Ci 0 TTTt Eoee Probe FASIA Or T Iglio n TTT 2A Se ess O 7 0 mm Ett 27 0 mm titt Tee ag ACI AB Oe omnu nno a I i Ae a aaa Ws
165. log box Glitch Detects glitches in channel groups as defined in the Glitch Detect dialog box Only available with internal asynchronous clocking Setup amp Hold fault Tests setup and hold parameters as defined in the Setup and Hold Event dialog box Not available with internal asynchro nous clocking Tektronix Logic Analzyer Family User Manual 3 35 Setup 3 36 Table 3 3 Trigger events Cont Event Description Counter and timer events Tests the specified counter or timer value Timer events are supported by all LA Modules except TLA7Lx and TLA7Mx modules with serial numbers BO19999 or lower Signal Looks for one of the four internal system signals Only one signal event is available in a trigger program Anything All sampled data makes this event true Nothing All sampled data makes this event false Trigger Resources You can use up to 16 unique trigger resources not including counters and timers in a trigger program to define the events and actions A trigger resource can be used more than once in a trigger program However some events use more than one trigger resource Table 3 4 lists the trigger resources and any interactions that may occur when you use them Table 3 4 Trigger resources Event Operator Restrictions and resources Word e One trigger resource across all defined channel groups Group Word recognizer Is N One trigger resource per channel group Range recognizer lt lt
166. lor of the Source window to signify that an uncorrelated state exists between the Source and Listing windows When this happens you can click the Step Forward or the Step Backward buttons to search for an executable source line in the Listing window this correlates the active cursors in both windows Clicking the buttons forces the Listing window to search for a data sample that corresponds to the next or previous line of executed source code The line of executed code may be in a different source file If this happens the Source window displays the required file or prompts you for a path name The ability to locate source files depends on the Search Path List and Suffix List defined in the Source Files properties tab Searching for Source Data 3 114 Use the Define Search dialog box to search for specific text patterns You can search the current source file or search all of the source files identified by the loaded symbol file Click the search icon to open the dialog box and then fill out the search conditions see Figure 3 78 The active cursor marks the first occurrence of the data JESL adle aJa Scan Listing Later Tektronix Logic Analzyer Family User Manual Source Window Define Search Source 1 BE Search al Files starting at Active Cursor For the pattern sprint lt lt Search Back Search Fiwd gt gt I Ignore Case M Close on Search Cancel Help Figure 3 78 Defini
167. ls add and remove channels from a group or change polarity of individual channels Tektronix Logic Analzyer Family User Manual Setup M Setup QSTART _ oj Clocking Custom z More Memory Depth naoa gt Acquire Noma gt Support QSTART Probes Suppress Define Compare Group Name MSB Probe Channels D10 DO RESET FREEZE AVEC IRG_AN Y_D BG_D BGACK_L BERR HALT RMC F_ FC3 FC2 FCI FCO DSACK1 DSACKO SIZ1 SIZO BKPT BR_D TSTME _TSC CSBOOT CLKOUT Probe Channels Names CLKQual 6 AB gt X der_3 X f odi 20 dd 28 Xdi 24 Xidd 2 Xda 24 Xda 25 DK dc_2 Em x sad 14 Xli 11X sod 11 Xda 1 Xpax Ada a XA cK Jada 7X ZEE Ador 9 X lAdar 4 X lAddr_3 XJ Adar_2 X Adar 1X Adaa _ T_Bus i il at ae Ea mm ai x In selected group Ei Not grouped Table Shows Channel Polarity j In other group s Channel Compare Figure 3 16 Channel grouping table in the Setup window x Li ix x ix tddi 21 XM dch_24 MJ ddi 21X 20 MI dd_1 X sdd 14X sda 11X dde_1 _J LKOUT x iConnect Available only in TLA7Axx modules iConnect allows you to observe multiple digital data signals on a DSO using multiple analog channel outputs You can assign data signals in two ways You can either select an individual channel and assign it to an analog output or a group of channels and then select the
168. ly User Manual Acquisition When you start an acquisition all modules start acquiring data together Exceptions are when one module has been programmed to arm another or when a module has been turned off Modules stop acquiring data individually according to their trigger programming Starting and Stopping Acquisition Single Run Mode Repetitive Mode In the Control bar click Run to start an acquisition The Tek icon on the right animates while the logic analyzer runs Point at this icon with the mouse to display a tooltip showing the instrument status There are two ways to acquire data Single run or Repetitive mode Within Repetitive mode you can specify the following three conditions m Save Module and Data Stop if Compare with Reference is Equal or Not Equal m Stop After N Acquisitions When comparing acquisition data against reference data you can view the results in either a Listing window or in a Waveform window In Single run mode the logic analyzer automatically stops acquiring and displays data when it fulfills the setup conditions Use Single run mode to find and display a specific event During acquisition the logic analyzer monitors the data looking for the events you specified in the Trigger windows When the specified events occur the logic analyzer responds according to the selections you made in the Setup and Trigger windows In Repetitive mode the logic analyzer keeps acquiring data until you click
169. lzyer Family User Manual 3 59 Setup 3 60 If you click the Cancel button the logic analyzer displays the Load System Options dialog box Use this dialog box to load specific modules from the saved system To load a module from the saved system drag the module icon from the top of the dialog box to a module icon in the bottom of the dialog box Figure 3 42 shows an example of the Load System Options dialog box Load System Options Drag modules in the saved system onto desired modules in the current system Reference data sources and data windows in the saved system will also be loaded 3 Capture Error On LEDs Current System Cancel Help Figure 3 42 Load System Options dialog box Loading a Setup and a Trigger Program When you execute a Load System or Load Module operation you load a saved setup and its related trigger program s to the logic analyzer system or specified module Loading Saved Data You can load saved data using the Load Data Window selection in the Window menu See Opening a Saved Data Window on page 3 68 for more information Loading a Saved Trigger You can load an LA module trigger without loading a full setup Saved system and module files contain trigger program information When you load a trigger from the LA Trigger window you can select a saved system or module file as the source When you do so the logic analyzer extracts only the trigger information from the file and loads it to
170. m Trigger Out connector When you use Trigger All Modules in the trigger program you cannot use Trigger Causes this module to wait for a system trigger that is generated by another module Available on TLA7Axx logic analyzer modules and TLA5000 series logic analyzers specifies that sample data will be stored in main memory Only one type of main triggering Trigger Trigger Main or Trigger System can be used in the trigger program Available on TLA7Axx logic analyzer modules and TLA5000 series logic analyzers specifies that sample data will be stored in MagniVu memory Trigger MagniVu can be used in conjunction with one of the main memory trigger actions Available on TLA7Axx logic analyzer modules and TLA5000 series logic analyzers reloads the word recognizer Snapshot data is not available during an acquisition therefore it is not be added to the status monitor Passes the program flow to a different trigger state You can only use one Go To action in the clause definition Tektronix Logic Analzyer Family User Manual Setup Table 3 5 Trigger actions Cont Action Description Counter and Timer actions Starts stops resets clears increments or decrements counters or timers Counter 1 and 2 actions conflict with Timer 1 and 2 actions respectively Counter timer actions may conflict with counter timer event usage Set and Clear Signal Sets or clears one of the four internal system signals You can use only one Set
171. m state speed and must be physically connected in the mainframe before they can be merged by software Modules must be in adjacent slots and physically connected together For information on installing and physically merging modules together refer to the TLA700 Series Logic Analyzer Installation Manual Merged pattern generator modules are not physically connected in the mainframe but must be in adjacent slots in the same mainframe Tektronix Logic Analzyer Family User Manual Setup Modules that are capable of being merged are shown in the Merge Modules property page with a merge button See Figure 3 39 To open the Merge Modules tab from the System menu click System Configura tion and then click the Merge Modules tab To merge or unmerge modules click the merge button between the module icons You can unmerge the modules at any time for independent operation NOTE After the logic analyzer modules have been physically merged you run the self calibration procedure on the modules as a merged pair To run the self calibration procedure from the System menu click Calibration and Diagnostics and then click the Self Calibration tab Merged pattern generator modules do not need to be calibrated as a merged pair In setup and data windows merged module probe names use the following convention master module probe names are displayed normally and slave module probe names are prepended with an S If you have more than two mer
172. me thereafter Customer may terminate the license for this software product and return this software product and any associated materials for credit or refund THIS WARRANTY IS GIVEN BY TEKTRONIX IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE TEKTRONIX RESPONSIBILITY TO REPLACE DEFECTIVE MEDIA OR REFUND CUSTOMER S PAYMENT IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES Se Table of Contents General Safety Summary cc cece cece reece eee ee eees ix PrOfACO sei 5 Mieke aw hae Sa a Ba es CAT NOMS OA OEE ee Ae Tee xi Related Documentation erasi sece arasan cc ccc cee ees xi Contacting Tektronix 1 0 0 eee cece eerun een een eee xii Getting Started Getting Started siss cssoms st a 6c 0 ohn a T a a Raa 1 1 Tektronix Logic Analyzer Family 00 cece cece ee eee 1 1 ACCESSOLIES EE E as Reet a a ee ad ee ee vase ae ee aad ee eS 1 3 Tista gi 5222s iss ie E ee ered Se ee ne eae sed ar eee at oS el 1 3 Functional Cheek tis ssc sie i008 cee ee ae eed heed eae eel ots ae ad SS wate 1 3 Operating Basics Operating Basics a iesse xs cosca E a E A i enolate SES 2 1
173. modes the Data Valid Window analysis mode or the Setup and Hold Violation Window analysis mode In the Data Valid Window analysis mode each selected channel is analyzed with respect to the reference clock edge to determine the regions where the data is stable This mode determines the transitions between adjacent MagniVu data samples If two adjacent samples have the same polarity they are considered stable with respect to each other The AutoDeskew results area graphically displays these data valid windows as bars or windows The regions between the data valid windows are regions of invalid or unstable data The purpose of the data valid window analysis is to find regions where the data is stable and to pick a suggested sample point for each analyzed channel You can then apply the suggested sample points to the channel setup and hold settings for selected synchronous clocking modes external clocking by clicking the Apply button in the toolbar In Setup and Hold Violation Window analysis mode selected channels are collectively analyzed for setup and hold violations This analysis mode operates identically to the setup and hold violation trigger programs that analyze channel groups for violations The purpose of the analysis is to determine if the data is stable in the regions that you analyzed The analysis proceeds throughout the defined setup and hold violation window analysis range for each channel If any violations are found they are r
174. module The module highlighted by the pointer in the System window Aliasing The condition that occurs when data is sampled at a rate slower than the rate at which data changes When this happens misleading data is displayed because the instrument misses the changes in data that occurred between sample points Data pulses that fall between samples meet the technical definition of a glitch and are stored and displayed as glitches See also asynchronous acquisition and glitch For DSO data the displayed waveform may appear to be untriggered and much lower in frequency For complex waveforms distortion occurs due to the impact of aliasing on the high order harmonics All samples A Histogram window term The total number of data samples analyzed Arm To specify when the module should begin looking for a trigger Assert To cause a signal or line to change from its logic false state to its logic true state Asynchronous acquisition An acquisition that is made using a clock signal generated internally by the logic analyzer This clock is unrelated to the clock in the system under test and you can set it to a different rate You should use an asynchronous clock rate that is five to ten times faster than your data rate to avoid aliasing See also Aliasing Tektronix Logic Analzyer Family User Manual Glossary 1 Glossary Glossary 2 Attenuation The degree the amplitude of a signal is reduced when it passes through an attenuating de
175. mp Conditions Do Not Operate in an Explosive Atmosphere Keep Product Surfaces Clean and Dry Provide Proper Ventilation Refer to the manual s installation instructions for details on installing the product so it has proper ventilation Terms in this Manual These terms may appear in this manual Tektronix Logic Analzyer Family User Manual ix General Safety Summary A A WARNING Warning statements identify conditions or practices that could result in injury or loss of life CAUTION Caution statements identify conditions or practices that could result in damage to this product or other property Terms on the Product These terms may appear on the product DANGER indicates an injury hazard immediately accessible as you read the marking WARNING indicates an injury hazard not immediately accessible as you read the marking CAUTION indicates a hazard to property including the product Symbols on the Product The following symbols may appear on the product A A m WARNING Protective Ground CAUTION Double High Voltage Earth Terminal Refer to Manual Insulated O Mains Disconnected Mains Connected OFF Power ON Power Tektronix Logic Analzyer Family User Manual E Preface This manual provides high level information for daily use of the Tektronix Logic Analyzer Family products Use this manual together with the online help to use your Tektronix logic analyzer Refer to the TLA700 Series I
176. must be delayed three clock cycles to line up with the read data For the write cycle there is a delay of only one clock cycle To be able to sample the same data at two different time clock pipeline delays it is necessary to set up the groups as demultiplexed pairs The setup hold time relative to the common clock for these groups is always center aligned For the DATA you must have different setup hold sample times For the read cycle the data is edge aligned with the strobe for the write cycle the data is center aligned with the strobe DATA also has to be setup as a demultiplexed pair Figure 3 13 shows the programming to capture the read and write DDR SDRAM data Tektronix Logic Analzyer Family User Manual 3 15 Setup Source Synchronous Clocking LA 1 p 21x Edge Detectors Clock Groups Sample Clocks Group Clocking Probe Demu Setup Hold Window Clock f Use Max Sync Speed C Sync Speect 450 MHz Y Group Channel Edge Detector Setup Hold window Clock Group Pipeline Delay Sample Clack CK0 Edge Detector 0 375ps Ins Clack Group 0 Oclocks Sample Clock 0 Edge Detector 0 Default Default Default Default Edge Detector 0 Default Default Default Default Dew Fis Detector 0 625ps Os Sample Clock 0 Validate Close Help Figure 3 13 Group Clocking programming Use the Probe Demux tab to select which groups of channels are to be demulti plexed You have the
177. n service under this warranty Customer must notify Tektronix of the defect before the expiration of the warranty period and make suitable arrangements for the performance of service Customer shall be responsible for packaging and shipping the defective product to the service center designated by Tektronix with shipping charges prepaid Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the Tektronix service center is located Customer shall be responsible for paying all shipping charges duties taxes and any other charges for products returned to any other locations This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Tektronix shall not be obligated to furnish service under this warranty a to repair damage resulting from attempts by personnel other than Tektronix representatives to install repair or service the product b to repair damage resulting from improper use or connection to incompatible equipment c to repair any damage or malfunction caused by the use of non Tektronix supplies or d to service a product that has been modified or integrated with other products when the effect of such modification or integration increases the time or difficulty of servicing the product THIS WARRANTY IS GIVEN BY TEKTRONIX IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED TEKTRONIX AND ITS VENDORS DISCLA
178. nd Step Backward buttons to trace the execution order of source statements Click the Step Forward button to move to the next executed source statement Click the Step Backward button to move to the previous executed source statement When you click the Step Forward or Step Backward buttons the Source window causes the Listing window to search forward or backward beginning at the active Listing cursor for the next or previous executed source statement When Tektronix Logic Analzyer Family User Manual Source Window a match is found the Listing window positions the active Listing cursor to the matching sample The Source window converts the address to a file name and line number and then updates the active Source cursor position to the corre sponding source statement The statement may be located in a source file that is different than the original displayed file In this case the new file is displayed and the cursor is placed on the proper statement A single line in the Source window may consist of more than one statement for example for i 0 i lt NUM_STATES i The next executed statement in the Listing window may appear on the same line in the Source window as the current statement However the next executed statement may also appear on a different line before or after the current statement or in a different file Click the Step Forward and Step Backward buttons to move the cursor between statements in execution o
179. nd the time difference Delta Time between the two are located at the top of the data area Marks on the left side of the window are data area marks These marks are in the portion of the acquisition that is currently viewable Use data area marks to move within the data area Marks on the right side are overview marks These marks show where marks are located relative to the entire acquisition Use overview marks to move through out the acquisition For example move Cursor 1 to a particular sample as shown in the Cursor 1 readout Click the Go To toolbar button and select Cursor 1 You can also right click any overview mark and then click Go To Mark You can add marks by selecting Add Mark from the Edit menu or by clicking the Add Mark toolbar button Remove a mark by selecting the mark and using the Cut toolbar button When you add or paste a mark it appears in the center of the Packet View pane Tektronix Logic Analzyer Family User Manual Protocol Window You can also move to any mark using the Go To toolbar button To display mark properties right click a mark and then select Properties from the menu Selecting Stacks The Select Stack dialog box see Figure 3 89 allows you to select a stack file and apply the stack to the current acquisition To access the Select Stack dialog box place the cursor in the Protocol window and click Select Stack from the Data menu drop down list Select Stack Protocol 3 i x M Available
180. ndently Figure 3 56 shows an example of MagniVu data You can view MagniVu data in both Listing and Waveform windows Waveform 1 En Aee A fh Tiei MMMM 2 IAU ee eee MaRS RES PERI a re Tae Poel sree end A ee en be eee eee aed BSioe Goeret Weer Poses feeet bees See Test F220 LATS Mag Az KI SE O 0A o A Figure 3 56 MagniVu data In Figure 3 56 the top waveforms were acquired at the fastest normal sample rate The MagniVu waveforms in the lower part of the display were acquired through the same probe channels at the same time as the top waveforms Take a close look at the difference in the acquired data First view the regular data acquisition which was sampled at 4 ns The regular acquisition captured the address bus as it made the transition from 34 to 44 The data shows an invalid Tektronix Logic Analzyer Family User Manual 3 83 Waveform Window MagniVu Storage Rate 3 84 address of 74 and indicates that the invalid address lasts for the entire 4 ns sample period At the next sample the address is shown correctly as 44 Now view the MagniVu data acquisition which was sampled at 500 ps The MagniVu data shows the same address bus transition from 34 to the invalid address of 74 before settling to the correct address of 44 Note however that the indicated settling time is different The MagniVu data shows that the address bus took approximately 500 ps to complete the transition and shows the ad
181. ndow 3 116 Waveform window 3 91 Index 5 Index Protocol Designer 3 143 Add Protocol dialog box 3 146 compilation result pane 3 144 editor pane 3 144 protocol setup properties 3 146 Replace Protocol dialog box 3 146 stack definition pane 3 145 Protocol window 3 135 decode view 3 136 filtering the protocol display 3 137 framers 3 140 Hex view 3 136 packet view 3 136 searching data 3 138 selecting stacks 3 137 window properties 3 139 Q Qualification clock Glossary 2 gaps 3 103 Glossary 7 storage 2 3 3 39 Glossary 8 Qualifier clock Glossary 2 R Radix 3 103 binary glitch display 3 104 changing 3 103 symbolic 2 20 3 103 Glossary 8 Range readouts in DSO waveforms 3 73 Range recognizer 3 19 3 36 Glossary 7 Range symbols 2 21 color Glossary 2 Record length 3 18 3 39 3 46 Glossary 7 Repetitive acquisition 3 63 Replace Protocol dialog box 3 146 Run Stop button 3 63 S Sample clock 2 2 2 12 3 7 3 72 Glossary 7 data Glossary 3 period DSO 3 46 rate 2 11 2 13 Glossary 7 Sample suppression 3 59 Sampling Glossary 7 and digitizing a signal 2 1 resolution 2 11 Index 6 Saved files 3 58 file name extension 3 58 loading 3 58 saved data 3 60 saved trigger 3 60 setups and trigger programs 3 42 3 60 system file 3 59 module and system 2 5 saving 3 58 trigger programs 3 42 Scan Listing box 3 111 Searching data 3 80 3 98 3 114 3 1
182. nformation for symbol files you can mark individual statements of multiple statement lines in the source code You can then use the Next Mark and Previous Mark buttons to step between the marks and highlight the individual statements The Next Mark and Previous Mark buttons are not active if there are no marks defined in the Source window Tektronix Logic Analzyer Family User Manual 3 113 Source Window Active Cursor Readout Uncorrelated State The active cursor readout displays the address of the source statement at the active cursor The address shown is the low address bound The radix of the address is always hexadecimal If you position the cursor on a non executable statement such as a comment or white space the address of the next executable statement is displayed Use the active cursor readout to jump to a new location in the source file Enter an address in this field and the active cursor moves to the corresponding statement If you enter an address that does not correspond directly to the address of a source statement the next statement will be used and the address is adjusted You can copy and paste the readout value into other locations such as in the event portion of the Clause Definition dialog in the Trigger window Sometimes you can move the cursor in the Listing window to a location where there is no corresponding source statement The cursor in the Source window remains at the current location and changes the co
183. ng m Click the Data menu and select Display Filtered and then select the filter m Right click the mouse to display the context menu and then select Display Filtered and the filter To edit an existing filter select Filter Definitions from the Data menu or from the context menu in the Waveform window The Define Filter dialog box opens where you can open the filter definitions and edit the filters as needed To turn off a filter select a waveform label and then select Display Unfiltered with the filter name from the Data menu or from the context menu Tektronix Logic Analzyer Family User Manual Waveform Window MagniVu Data The LA modules have MagniVu data acquisition as a standard feature MagniVu data acquisition for TLA7Lx Mx Nx Px Qx logic analyzer modules and TLA600 series logic analyzers offers 500 ps high speed timing simultaneous with 100 MHz or 200 MHz state on all channels through the same probe MagniVu memory depth is set to a fixed 2K For TLA7Axx logic analyzer modules MagniVu data acquisition offers 125 ps high speed timing simultaneous with 120 MHz 235 MHz or 450 MHz state on all channels through the same probe For TLA5000 series logic analyzers MagniVu data acquisition offers 125 ps high speed timing simultaneous with 120 MHz or 235 MHz state on all channels through the same probe MagniVu memory depth is set to a fixed 16K MagniVu data is centered on the LA module trigger unless it is triggered indepe
184. ng source search criteria You can search for any text pattern including leading and embedded white space trailing white space is ignored When searching for data in multiple files using the Displayed Source File list the search operation follows the order of files listed in the Source Window properties tab When you search for data in all files and one or more of the files cannot be found the Source File Locator dialog box prompts you to specify the location of the file If the search is not completed in a set amount of time the Search Progress dialog box shows the status of the search You can let the search continue or you can click Abort to stop the search Tektronix Logic Analzyer Family User Manual 3 115 Source Window Adjusting the Source Window There are a number of actions you can perform in the Source window to get the exact view of the data that you want You can access most of the shortcuts from the Source window tool bar Add mark IR Go To Font Size Search Cut Paste Properties Changing the Display Font Click the Font Size tool bar buttons shown in the previous figure Click the tool Size bar buttons until the text reaches the desired size You can also set the font to a specific size using Source window properties Cut Copy Paste You can cut copy and paste columns and marks You can also copy text data to the clipboard From there you can paste it to other areas such as the Define Search dialog b
185. nge Overview There are two basic ways of using the Histogram window to analyze data One is to provide a graphic overview of the address activity of software execution The other is to use counters or timers to measure specific events If you want to use counters or timers to measure events you must set up the counters or timers in the Trigger window You can then select the data source in the New Data Window wizard when you create a Histogram window You can also select the data source for an existing Histogram window from the Data Source properties tab as shown in Figure 3 82 Properties Histogram 1 BEI About Data Histagram Window Data Source Ranges m Data from QSTART Changing the data source will also create new default ranges Accumulated counts Add Data Source will be lost fates Uses r Counter 1 hd Cancel Apply Help Figure 3 82 Selecting the data source for the Histogram window To provide an overview of the address activity of a software routine you define a set of ranges numeric logarithmic or symbolic You can set up the Trigger window to look for data within the defined ranges The data is processed and displayed in the Histogram window for the current acquisition If you set up the logic analyzer to repetitively acquire data the sampling errors will decrease over time as you acquire more data The resultant data provides a stable display in the Histogram w
186. nstallation Manual or to the TLA5000 Series Installation Manual to install and configure Tektronix logic analyzer products Related Documentation In addition to this user manual the documentation listed in Table i is available for your Tektronix logic analyzer product For documentation not specified in the table contact your local Tektronix representative Table i Tektronix Logic Analyzer Family documentation Location TLA Documentation Documents available in printed form and downloadable from the Tektronix web site Tektronix Logic Analyzer Family User Manual TLA700 Series Installation Manual TLA5000 Series Installation Manual P6810 P6860 amp P6880 Logic Analyzer Probes Instruction Manual P6417 amp P6418 Logic Analyzer Probes Instructions P6419 Logic Analyzer Probes Instructions P6434 Mass Termination Probe Instructions TLA7UP Field Upgrade Kit Instructions TLA6UP Field Upgrade Kit Instructions tektronix com Tektronix Logic Analzyer Family User Manual xi Preface Contacting Tektronix xii Phone Address Web site Sales support Service support Technical support 1 800 833 9200 Tektronix Inc Department or name if known 14200 SW Karl Braun Drive P O Box 500 Beaverton OR 97077 USA www tektronix com 1 800 833 9200 select option 1 1 800 833 9200 select option 2 Email techsupport tektronix com 1 800 833 9200 select option 3 6 00 a m 5 00 p m Pacific time
187. nt size color and data source information Click the Properties toolbar button to open the Histogram Properties dialog box Then select the specific tab you are interested in Here are some guidelines for using and customizing the Histogram window Data is accumulated until you explicitly clear the data There is no limit to the number of symbolic ranges for histogram data You can analyze live data or saved data reference data You can use up to 32 bits of data in an address group You can enable or disable channel group polarity You can change colors for the foreground background and histogram bars as needed You can change the data font size as necessary to view the data Tektronix Logic Analzyer Family User Manual 3 125 Histogram Window Exporting Histogram Data Use the Export Histogram dialog box to export data from the current Histogram window to a text file This is a way to print a copy of the histogram data Figure 3 84 shows the Export Histogram dialog box Export Histogram Histogram 1 a My Documents x El jE A Save in File name Histogram 1t Save Save as type Text File txt Cancel Export range Hell Help C All First Row lows First Displayed Row Jo ows Close Figure 3 84 Export Histogram dialog box Click Options to define the format of the data in the Export Histogram Options dialog The data is saved in a text file with the txt file n
188. nts of a negative pulse The measurement is made on the first pulse in the waveform or gated region The time required to complete the first cycle in a waveform or gated region Period is the reciprocal of frequency and is measured in seconds This timing measurement is a measure of the first cycle in a waveform or gated region Frequency is the reciprocal of the period it is measured in Hertz Hz where one Hz is one cycle per second This timing measurement is the ratio of the positive pulse width to the signal period expressed as a percentage The duty cycle is measured on the first cycle in the waveform or gated region Positive Duty Cycle Positive Width Period x 100 This timing measurement is the ratio of the negative pulse width to the signal period expressed as a percentage The duty cycle is measured on the first cycle in the waveform or gated region Negative Duty Cycle Negative Width Period x 100 Area is a voltage over time measurement The measurement is the area over the entire waveform or gated region expressed in volt seconds The area above the common reference point is positive and the area below the common reference point is negative 3 77 Waveform Window 3 78 Table 3 14 Automatic waveform measurements Cont Measurement Cycle Area Cycle Mean Cycle RMS Burst Width Description The voltage over time measurement The measurement is the area over the first cycle in the waveform
189. obing tab displays optimum analog routing information that you make between the logic analyzer and external oscilloscope to achieve analysis results for the selected channels The logic analyzer modules that are displayed on this tab depend upon the channel selections that you made in the Channels tab and the Clock and Qualifier tab of the iVerify Setup dialog box Performing iVerify Measurements The iVerify tool allows you to perform several measurements in the iVerify window Click the Measurements button to display a list of measurement icons in the iVerify window Use the tooltips to help you identify the measurement icons Click one of the measurement icons to select a measurement click them a second time to turn off the measurements The results of the measurement are displayed below the eye diagram If you selected more than one measurement click one of the measurement tabs for details on each measurement iVerify Window Properties About Data Tab iVerify Window Tab Click the Properties toolbar button to display information about logic analyzer and attached oscilloscope You can also use the tabbed property pages to change the appearance of the iVerify window The About Data tab provides information on the logic analyzer and external oscilloscope status You can edit the iVerify window display colors and setup the measurement position and colors from the the iVerify window properties tab Use the drop down Option list to selec
190. of 10 Table 3 12 General purpose data window shortcut keys Desired action Scroll data up 10 pages Scroll data down 10 pages Scroll data to the top of the window Scroll data to the end of the window Move active cursor up one page Move active cursor down one page Move active cursor to the top of the data Move active cursor to the end of the data Move active cursor up 10 pages Move active cursor down 10 pages Move active cursor to the top of the data Move active cursor to the end of the data Key combination Shift Page Up Shift Page Down Home End CTRL Page Up CTRL Page Down CTRL Home CTRL End CTRL Shift Page Up CTRL Shift Page Down CTRL Shift Home CTRL Shift End Tektronix Logic Analzyer Family User Manual Pa Waveform Window Use the LA DSO or External Oscilloscope Waveform window to simultaneous ly display and evaluate acquisition data Each window contains a data area waveform labels marks and several toolbars that allow you to measure and manipulate your waveforms See Figure 3 46 for an example For the logic analyzer data values for each channel are shown as a digital two state waveform Logic level low is drawn at the bottom of the waveform area while a logic high is drawn at the top of the waveform area For the oscilloscope data values for each channel are displayed as an analog waveform 0 x 8 EESE aala Time Div 500ps z pE ol jaje Search Bl
191. of posttrigger data is acquired and then stops OMES1 file format This format holds symbolic information and executable images for an 8051 or equivalent microprocessor OME 86 file format A file format that holds symbolic information and executable images for an 8086 or equivalent microprocessor It is also used for code intended to run on 80286 80386 or higher level microprocessors in real or 8086 compatible mode OMF166 file format This format holds symbolic information and executable images for the Siemens Infinion C166 microprocessor family or equivalent microprocessor OME 286 386 file formats These file formats hold symbolic informaton and executable images for 80286 80386 or equivalent microprocessors They are also used for executable images intended to run on the 8086 or other microprocessors in the 80x86 families Tektronix Logic Analzyer Family User Manual Glossary PCMCIA An acronym for Personal Computer Memory Card Industry Association Podlet A circuit contained in a flex lead and attached to a probe that provides square pin connections to the circuit under test for one data acquisition channel and a ground pin Pretrigger The specified portion of the data record that contains data acquired before the trigger event Posttrigger The specified portion of the data record that contains data acquired after the trigger event Probe head The end of the probe that connects to the target system Probe ad
192. ogic analyzer product Tektronix Logic Analzyer Family User Manual 1 3 Getting Started 1 4 Tektronix Logic Analzyer Family User Manual y Operating Basics SEE Operating Basics This section provides an overview of logic analyzer concepts and some of the features of the Tektronix Logic Analyzer To acquire and display signals from the target system the logic analyzer must perform a complex series of actions For the most part these actions are transparent Sampling and Digitizing a Signal Acquisition is the process of sampling the input signal digitizing it to convert it into digital data and assembling it into a waveform record The order and method of accomplishing these functions is different between logic analyzers and oscilloscopes The logic analyzer converts incoming data into ones and zeros using a compara tor with a user selectable threshold voltage If the incoming signal is above the threshold voltage it is converted to a one if it is below the threshold voltage it is converted to a zero After digitizing the data the logic analyzer samples the data at regular time intervals The sampled and digitized points are stored in memory along with corresponding timing information See Figure 2 1 111 1 1 1 1 1 Digital values Threshold voltage L f Input signal 0 0 000 000 Sample clock O a ee ee Figure 2 1 Acquiring a digital signal Tektronix Logic Analzyer Family User Manual 2 1 Oper
193. ompare Defining Memory Compare Parameters To enable the Define Compare dialog box controls select the Enable Data Compare check box as shown in Figure 3 6 Select the reference data source in the list box if the data source that you are interested in does not appear in the list click Add Data Source to browse for the data source in the file system Define Compare LA 1 BE O gt M Enable Data Compare Reference Data Source fam od tlaL4 1 be Add Data Source Compare Data Region Pantal Data around Ref Begin SS Start fi A Samples ater Ret Begin 7 And Compare a5 E Samples gt Data Source Alignment Using Begin or end l Offset Acq Begin fi E Samples atter Ref Begin z m Overview Module Properties Acq Source Ref Source Memory Depth 32768 About Data H Samples 2000 2000 Start Compare Sample 0 1 End Compare Sample 24 25 Cancel pp Figure 3 6 Enabling data compare 3 6 Tektronix Logic Analzyer Family User Manual Setup After you select the data source define the amount of data that you want to compare against You can compare all data or a portion of the data by filling in the appropriate information You can also define the alignment of the data by filling in the appropriate information A summary of your setup displays at the bottom of the dialog NOTE After defining the compare setup remember to select Show Compare in the Listing Window or Waveform Window pro
194. on exporting data Waveform Window Shortcut Keys 3 92 You can use the general purpose shortcut keys listed in Table 3 18 to move data and cursors in the Waveform window You should also refer to the discussions of short cut keys in the online help or under the section for the individual data windows The shortcut keys also known as accelerator keys or hot keys abide by the following rules m Arrow keys with no modifier keys scroll data m Arrow keys with the Control CTRL key move the active cursor m The Shift key increases movement by a factor of 10 Table 3 18 Waveform window shortcut keys Desired action Key combination Go to next trigger CTRL T Display Go To dialog box CTRL G Move Cursor 1 to the center of the window CTRL 1 Move Cursor 2 to the center of the window CTRL 2 Zoom in CTRL 1 Zoom out CTRL U Add a mark CTRL K Add a waveform CTRL W Scroll data left 50 pixels Shift Left arrow Scroll data right 50 pixels Shift Right arrow Move active cursor left five pixels CTRL Left arrow Move active cursor right five pixels CTRL Right arrow Move active cursor left 50 pixels CTRL Shift Left arrow Move active cursor right 50 pixels CTRL Shift Right arrow Tektronix Logic Analzyer Family User Manual Waveform Window Overlay Waveforms Overlay waveforms provide you with the ability to visually compare two or more waveforms by dragging one waveform over the other The overlay waveform can
195. on mainframe Several logic analyzer modules are available in various combinations of channel width and memory depth All of the logic analyzer modules provide simulta neous state and timing measurements through a single probe 1 2 Tektronix Logic Analzyer Family User Manual Getting Started Accessories Installation Functional Check For a complete list of accessories refer to the online help Refer to the following product specific installation manuals for complete instructions for installing your logic analyzer product m TLA5000 Series Logic Analyzer Installation Manual m TLA700 Series Logic Analyzer Installation Manual NOTE If you have a TLA600 Series Logic Analyzer refer to the Tektronix Logic Analyzer Family User Manual for V4 2 software Tektronix part number 071 0863 02 for installation information Use the power on diagnostics to check the basic functionality of your logic analyzer product These diagnostics run every time you turn on the logic analyzer You can verify more detailed functionality by running the self calibration and extended diagnostics Refer to the online help for the self calibration procedures You can also check the functionality of the logic analyzer by connecting a probe to a single source and verify that the logic analyzer acquires the data For more detailed verification procedures refer to the Performance Verification chapter of the appropriate service manual for your Tektronix l
196. operly connected to the target system and acquire data by clicking the Run button Open the AutoDeskew window by clicking the AutoDeskew button in the System toolbar Then click the setup button the left most icon at the top of the window to open the AutoDeskew Setup dialog box see Figure 3 102 You can select the AutoDeskew mode by selecting the appropriate options near the center of the dialog box Select Manual User defined settings to manually adjust the settings or select Custom if you are using a support package that includes AutoDeskew support In the AutoDeskew Setup dialog box from the Channel tab select the data channels that you want to analyze Use the controls in the Clock and Analysis tab pages to adjust the clock settings and specify the analysis ranges Click the OK button to close the dialog box Click the Analyze button in the AutoDeskew window to begin analyzing data AutoDeskew Setup Dialog Box 3 154 Use the AutoDeskew Setup dialog box to edit the settings of a selected AutoDes kew setup add a new AutoDeskew setup and specify analysis parameters such as channels and clocking AutoDeskew Setup LA 1 x AutoDeskew Setup LA 1 DefaultSetup v New Setup Description eupDesiion OOS AutoDeskew Mode Manual User defined settings Custom Settings provided by loaded support packege Reload custom settings AutoDeskew configurations Wo AutoDeskew settings J Channel Cloc
197. orizontal scale 3 90 changing width 3 90 compression expansion in display 2 13 cut copy paste 3 90 DSO ground line indicator 3 73 DSO range readouts 3 73 DSO trigger threshold indicator 3 73 DSO waveforms 2 11 3 73 LA waveforms 2 11 magnitude 3 72 magnitude waveforms 2 10 measurement automatic 3 75 moving 3 89 Index 8 naming 3 91 overlay 3 93 sample clock waveforms 3 72 sin x x interpolation 2 13 types 3 72 Web site address Tektronix xii Weld modules See Merge modules Window data window 3 67 Glossary 3 creating a new data window 3 69 opening a saved data window 3 68 DSO Setup window 3 43 DSO Trigger window 3 47 DSO Waveform window 3 71 External Oscilloscope Waveform window 3 71 Histogram window 3 121 LA Listing window 3 95 LA Setup window 3 2 LA Trigger window 3 28 LA Waveform window 3 71 Listing window Glossary 5 locking data windows together 3 69 opening 3 1 3 68 renaming 3 2 Source window 3 109 System window 3 1 3 68 Waveform window Glossary 10 Word recognizer 3 36 Glossary 10 X XCOFF See COFF file formats Tektronix Logic Analzyer Family User Manual
198. ou can specify value in any of the Formats Decimal Hex ASCII or Binary Filter Setup Protocol 1 xj IV Enable Filter Filter Options Stack ATM_NNI Protocol M Enable Fields M Field Condition Field M Operation mM Value Equal Multiple values are separated by semicolon 2 74 Not equal Greater than M Predefined Values C Less than l bd m Format Decimal C Hex ASCII Binary Cancel Help Figure 3 90 Protocol window filter setup Searching the Protocol Display 3 138 The Protocol Search dialog box allows you to define the search criteria and search the packet matching the criteria in the Packet View of the Protocol window This dialog box contains all the Search Options You can select a protocol from the Protocols drop down list The Search Options are Fields Operation Value and Format You can select an item to search for from the Fields text box select the Operation and then specify the Value and the Format See Figure 3 91 The search is completed once for each packet of data When the search is successful the resulting packet is highlighted in the Packet View and the decoded fields of that packet are displayed in the Decode View Place the cursor in the Protocol window right click the mouse and select Define Search from the context menu to display the Search dialog box Tektronix Logic Analzyer Family User Manual Protocol
199. out to the target system or to other test equipment through the SYSTEM TRIG OUT connector All the external signal inputs and outputs operate at TTL levels The connectors are located at the rear of the portable mainframe and at the front of the benchtop mainframe For more information about external signaling capabilities see Intermodule and External Signaling on page 3 54 Using the arm feature you can use one module to control when another module accepts triggers When module A arms module B this means that module B does not begin looking for a trigger until it receives an arm signal Arming is accomplished through trigger actions For the logic analyzer arming is specified in the Clause Definition dialog box for the oscilloscope module arming is specified in the Trigger page A module can arm any one of the other modules The designated module can be armed by only one module The same arming action can however appear multiple times within the same trigger program Arms are latched events that once set cannot be cleared until the acquisition is completed Tektronix Logic Analzyer Family User Manual 3 53 Setup NOTE For a single module arming and internal signaling are mutually exclusive You cannot simultaneously arm modules and set signals You can test for a set signal for example If Signal X Is True but you must designate an external signal for this purpose otherwise you will be unable to set the signal when using
200. outing dialog box Routing Data to the DSO The Route to DSO dialog box lists oscilloscope channels that have inter probe connections defined to the logic analyzer If no inter probe connections are defined the list is empty Select an oscilloscope channel and click OK to feed the logic analyzer channel to the inter probe connection attached to the oscilloscope channel Tektronix Logic Analzyer Family User Manual 3 85 Waveform Window 3 86 Routing Data from the Logic Analyzer The check box named Add new waveform to view is not selected by default because the waveform view typically already contains waveforms for the oscilloscope of interest Select this check box and click OK to add a waveform of the selected oscilloscope destination to the view Click the System Inter probing button to change the destination list contents by adding or deleting the connections for the logic analyzer Route to DSO Waveform 1 aixi Route LA 1 CKU From Slots 3 4 Through Inter probe Connector To Destination DSO 1 Channele System Inter prabing I Add waveform to view OK Apply Cancel Help Figure 3 57 Route to DSO dialog box To display the Route to DSO dialog box from the Waveform window select Route to DSO from the context menu associated with a selected LA channel waveform The Route to DSO context menu item is only enabled if the selected waveform is a TLA7Axx channel The Route from LA dialog box displ
201. ox or the Clause Definition dialog box in the Trigger window Turning Line Numbers On Turn source line numbers on or off by clicking Line Number Column in the or Off View menu Customizing the Source Window Data Area Use the Source properties dialog box to customize data in the Source window The related properties tabs control aspects of the source display such as source files text size colors tab spacing and source file locations Click the Properties tool bar button to open the Source window properties You can also click the label above the data area to display Source window properties Then select one of the tabs to change the data you are interested in Locating Source Files You can define the location of source files using the Source Files properties tab see Figure 3 79 Use the Source Files tab to list the locations of source files as well as possible file suffixes that can be attached to the file names used for compilers that do not include the file suffixes A similar tab System options Source Files tab is used as a default list of locations of source files and suffixes The logic analyzer uses this list every time you create a new Source window 3 116 Tektronix Logic Analzyer Family User Manual Source Window The Source window uses the file path and file suffix in combination to locate the correct source file It searches for the file name in each directory indicated by the file path list in the order specified If a
202. parameters The following steps describe how to display compare data in the Waveform window 1 Open a Waveform window and click the Properties toolbar button 2 Click the Waveform Window tab 3 From the Show Compare group box select one of the colors to use when data does not equal the reference data Acq Ref If you want to highlight data that does equal the reference data select Acq Ref and the appropriate color see Figure 3 59 4 Click OK Tektronix Logic Analzyer Family User Manual 3 87 Waveform Window The data differences or equalities will be highlighted in the Waveform window in colors you specified NOTE For more information on comparing data refer to Guidelines for Memory Compare on page 3 7 Properties Waveform 1 2 x About Data Waveform Window Waveform Marks Show Compare M Acq Ret I Acg Ref Background a Color Scheme Lint on Dark OK Cancel Figure 3 59 Selecting compare data colors in the Waveform Window property page Adjusting the Waveform Window Waveform Window Toolbar 3 88 There are a number of actions you can perform in the Waveform window to get the exact view of the data that you want The toolbar has shortcut buttons for common operations as shown in the following illustration Tektronix Logic Analzyer Family User Manual Waveform Window Cut Search backward Copy Zoom out Define search Paste Zoom
203. perty page Guidelines for Memory Compare There are a few guidelines that you should be aware of when using memory compare m You must select the Enable Data Compare check box in the Compare Definition dialog box see Figure 3 6 Acquisition modules and reference modules must be the same width m Specify the color of compare data in the Listing Window or Waveform Window property sheet or use the default colors m You can search for data differences or data equalities m You can use memory compare with repetitive acquisitions m You can compare only the main logic analyzer data you cannot compare glitch data disassembler group data or MagniVu data NOTE Although you cannot compare disassembler group data directly you can compare the raw data before it is disassembled by using the channel groups as defined in the Setup window To view these channel groups in a Listing window use the Add Column toolbar button to add the channel group to the window Clocking Use Clocking to specify the clock s used to sample data You have several clocking choices depending on the instrument you are using Internal Internal 2X and External are available for all instrument types If you have a TLA7Axx logic analyzer module or a TLA5000 series logic analyzer you can also choose Internal 4X External 2X External 2X Double Data Rate DDR External 4X and Source Sync clocking Custom clocking is also available regardless of your ins
204. ption the associated protocol description file is displayed below the list Enter a search string in the Search field to find a certain protocol Click Next to search the list for more protocols that match the search string To add a protocol to the stack select a protocol and click OK Replace Protocol Dialog Box The Replace protocol dialog box allows you to replace one protocol with a different version of the same protocol or with a different protocol The properties relations and display of the respective protocols remain the same when replaced with a different version of the same protocol Right click the protocol you want to replace The Protocol context menu appears In the Protocol context menu select Replace Protocol to display the Replace lt protocol name gt with dialog box Select the protocol and click OK Protocol Setup Properties 3 146 You can set up display properties in the Protocol tab and define relations between protocols in the Relations tab of the Protocol Setup dialog box To access the Protocol Setup dialog box right click on a protocol in the Stack Definition pane and select Protocol Setup from the context menu Tektronix Logic Analzyer Family User Manual Protocol Designer Protocol Tab The Protocol tab allows you to set up the name description and the color of the selected protocol The Protocol tab displays the current name description conditions of protocol relations and color of the s
205. r aliasing increase the sampling rate decrease the clock sample period in the module Setup window If the shape of the displayed waveform changes drastically or becomes stable at a faster clock sample period setting your waveform was probably aliased Although the principles of sampling theory define a minimum sample rate of 2X a good rule of thumb is to choose a sample clock rate five times faster than the speed of the fastest signal being measured A faster sample clock rate results in a more accurate reconstructed waveform Displaying Waveforms Waveforms are rarely displayed at an exact one sample point per pixel Wave forms are usually displayed in a compressed or expanded format As a general rule waveforms are compressed when the time per pixel is greater than the time per sample clock Waveforms are expanded when the time per pixel is less than the time per sample clock For compressed oscilloscope waveforms the display shows the lowest and highest point that occupy a given pixel column joined by a vertical line For expanded waveforms the display points between the actual sample points are calculated For expanded oscilloscope waveforms Sin x x interpolation computes the display points between the actual values acquired Tektronix Logic Analzyer Family User Manual 2 13 Operating Basics High Speed Timing Detecting Violations The logic analyzer provides high speed timing support through MagniVu data The MagniVu da
206. r information about microprocessor support packages refer to the online help and to the instruction manual that came with your microprocessor support package Tektronix Logic Analzyer Family User Manual 3 3 Setup 3 4 Performance Analysis Setups Data Filters Sample Suppression If you intend to do performance analysis with your logic analyzer you may want to load a microprocessor support package that contains the predefined channel setups and clocking setups You can also define the channel and clocking setups in the Setup window if you are not using a microprocessor support package You can use data filters to help you focus on the data that you want to see in the display windows You can design filters to hide specific data display specific data or to color data You can design filters for specific modules and then reuse them with other modules Click the Filters button in the Setup window to display the Filters dialog box The dialog box lets you manage filters for the entire logic analyzer You can see how filters relate to a particular module or data source You can easily load an existing filter from a saved setup edit existing filters or create new filters depending on your needs Click the Properties button to open a selected filter and to view or edit the filter definitions For each filter you can hide data display data or color data as it appears the Listing or Waveform data windows Within each filter you can a
207. r to the online help for information on defining a new bus Tektronix Logic Analzyer Family User Manual 3 135 Protocol Window Packet View Decode View Hex View Using Marks 3 136 The Packet View displays all the packets and layers in each packet of the current acquisition along with the time stamp information By default all layers and the time stamp from each packet are displayed in Packet View You can customize the Packet View by selecting which columns to view from the Column Setup dialog box Erroneous packets are displayed in red The Decode View displays each individual field size the value of that decoded field and any associated comments When multiple packets are selected in the Packet View the Decode View displays the data of the most recently selected packet In addition this pane displays any comments contained in the description file associated with the protocol The protocol stack that is currently in use determines which protocol parameters are shown The Hex View displays the packet selected in Packet View in HEX ASCII HEX ASCII or BINARY If you select an individual protocol parameter in Decode View the corresponding values are highlighted in the Hex View matrix Use marks to make time measurements and mark specific packets for evaluation Marks you can move are Cursor 1 Cursor 2 and any marks you add The numbers 1 and 2 on the mark handles denote the cursor marks Readouts for Cursor 1 Cursor 2 a
208. ram window term The histogram ranges are distributed over a logarithmic scale MagniVu An acquisition technology enabled by the logic analyzers provides up to 125 ps timing resolution on all channels and requires no additional probing MagniVu data High speed data stored in special memory Tektronix Logic Analzyer Family User Manual Glossary 5 Glossary Glossary 6 Matched samples A Histogram window term The total number of data samples analyzed that matched a defined range These samples exclude any samples outside of the defined ranges Merge modules To physically or logically join LA modules together to form a single module with greater channel width Microprocessor support Optional microprocessor support software that allows the logic analyzer to disassemble data acquired from microprocessors Mnemonic disassembly A display format for data acquired from a microprocessor or a data bus A logic analyzer decodes bus activity and displays it in formats such as cycle types instruction names and interrupt levels Advanced forms of mnemonic disassembly can detect queue flushes and provide a display that resembles the original assembly language source code listing Module The unit that plugs into a mainframe providing instrument capabilities such as logic analysis Module trigger trigger A trigger specific to a single module When a module trigger occurs the module continues to acquire data until the specified amount
209. rder The ability of the Source window to discriminate between multiple statements on the same line depends on the amount of information provided by the code generation tools If there is enough information to identify multiple statements per line the Source window cursors will include character highlighting to identify individual statements on a line Next Mark and Previous Use the Next Mark and Previous Mark buttons to move the active cursor in the Mark Buttons Source window to the next or previous executed user defined mark position if any marks have been defined Next and previous refer to the execution sequence and not to the position of the mark in the window The Next Mark and Previous Mark buttons are similar to the Step Forward and Step Backward buttons However rather than stepping through every executed statement you can define marks in the Source window as breakpoints and then step between marks in execution order to move though the source code When you click the Next Mark or Previous Mark buttons the Source window tells the Listing window to search for addresses corresponding to the marked source statements When a corresponding sample is found the Listing window positions its active cursor to the matching sample The Source window converts the address to a file name and line number It then updates the active Source cursor position and displays the corresponding source statement If the code generation tools provide column i
210. red data There are two types of data windows Listing windows and Waveform windows DC coupling A DSO mode that passes both AC and DC signal components to the DSO circuit Available for both the trigger system and the vertical system Delta measurement The difference between two points in memory For example the voltage difference between the two cursors in a selected waveform Demultiplex To identify and separate multiplexed signals for instance some signals from a microprocessor To separate different signals sharing the same line and organize those signals into useful information Digital real time signal acquisition A digitizing technique that samples the input signal with a sample frequency of four to five times the DSO bandwidth Combined with sin x x interpola tion all frequency components of the input up to the bandwidth are accurately displayed Tektronix Logic Analzyer Family User Manual Glossary 3 Glossary Glossary 4 Digitizing The process of converting a continuous analog signal such as a waveform to a set of discrete numbers representing the amplitude of the signal at specific points in time Don t care A symbol X used in place of a numeric character to indicate that the value of a channel or character is to be ignored DSO module An abbreviation and generic term for the oscilloscope module These are oscilloscope modules that are installed in a TLA700 series mainframe EasyTrigger program list A
211. ress Between Cursors Show 5 g SUppress tion Time Alignment Locking windows provides a method to compare data from different windows Use the Lock Windows dialog box to select how windows are locked together To open the Lock Windows dialog box go the System window and click the button for the data window you want to open Then from the System menu click Lock Windows Creating a New Data Window Use the New Data Window dialog box to create a new data window You can select data from any module a saved system file or saved module file To create a new data window click the New Data Window icon in the toolbar Select the window type and click the OK button Tektronix Logic Analzyer Family User Manual 3 69 File Edit System Tools Window Help ue When you close the dialog box the instrument will launch a wizard with instructions to help you create the new data window General Purpose Data Window Shortcut Keys You can use the general purpose shortcut keys listed in Table 3 12 to move data and cursors in data windows You should also refer to the discussions of shortcut keys in the online help or under the section for the individual data windows The shortcut keys also known as accelerator keys or hot keys abide by the following rules m Arrow keys with no modifier keys scroll data m Arrow keys with the Control CTRL key move the active cursor m The Shift key increases movement by a factor
212. rogram might acquire the desired data and also verify that you have set up the proper clocking and threshold levels The following condition applies to the oscilloscope module only Check the trigger Mode setting If Mode is set to Normal and the data does not meet the trigger conditions the module will not trigger Conversely if Mode is set to Auto the module will trigger after a set length of time even if the specified data does not occur The following conditions apply only if you are using arming or intermodule triggering Internal signal logic function If your trigger depends on setting an internal signal and that signal has been set to Wired And all modules in the system must set the signal or it cannot assert If any modules are turned off check that the trigger program is not waiting for input from an inactive module Because the logic analyzer does not clear the first transition indication check that the modules always show a first transition indication even if there are no probes attached To avoid triggering on a false first transition indication set the first state to If Anything Go to Next State This will use a state but it ensures that you do not trigger on a false transition indication Tektronix Logic Analzyer Family User Manual Display The Listing window and the Waveform window are the data windows that you will use for most applications see Figure 3 44 You can create other data windows
213. rom different data sources Tektronix Logic Analzyer Family User Manual 3 131 Graph Window Add Mark Cut Copy Paste Go To Properties Automatic Update Hit Frequency Mode Persistence Mode Zoom Abort 3 132 Click the Add Mark toolbar button to add a mark to the data points in the series Use these buttons to cut copy and paste the individual data series multiple data series or marks Click the Go To button to open the Go To dialog box so you can easily go to a mark or data series Click the Properties button to open the Graph window property pages where you can change the properties of the data or the graph Click this button to enable or disable the automatic update tool When you select Enable Auto Update the current data in the window is automatically updated when new acquisition data is available Click the Hit Frequency toolbar button to display the data points using the colors defined in the Hit Frequency property page The color of the data points depend on the number of hits Click the Persistence toolbar button to retain the previous graph data along with the current graph data You can zoom Graph window data similar to data in a Waveform window The horizontal and vertical axis each have their own zoom controls Click on one of the zoom buttons to zoom either in or out You can also click and drag the mouse over the area that you want to zoom when you release the mouse button zoomed data w
214. s CTRL Shift Down arrow 3 108 Tektronix Logic Analzyer Family User Manual Sy 2a Source Window Use the Source window to display the high level language HLL source code as it is executed by your target system and acquired by the logic analyzer The logic analyzer links the Source and Listing windows and provides additional tools to help you view the tools and data See Figure 3 74 for an example of a Source window The data area of the Source window lists the content of the source file including line numbers for each source code statement The path name of the file displays immediately above the source data if front rear l return TRUE else return FALSEs F Routine to check if queue is full F Figure 3 74 Source window You can use controls to step through data move between user defined marks and scroll through data These controls directly affect the active cursor in the associated Listing window and indirectly affect the active cursor in the Source window Tektronix Logic Analzyer Family User Manual 3 109 Source Window Creating a Source Window Before creating a Source window load a microprocessor support package You should also set up the Listing window you will use with the Source window Create a new Source window with the New Data Window wizard You can access the New Data Window wizard from the tool bar in the System window For help on using the New Data Window wizard ref
215. s Rename a waveform by returning to the Setup window and changing the channel or channel group name Splitting the Data Area You can split the data area to compare waveforms that are far away from each other within the display Drag the split box from the top end of the vertical scroll bar Customizing the Waveform Window Data Use properties to customize data windows Properties control aspects of the display such as size color and in some cases enabling or disabling whether an element is shown Click the Properties toolbar button in the Waveform window to display the data window properties Figure 3 62 shows the Waveform tab which is available from the Waveform Properties dialog box Properties Waveform 1 i E 2i xl About Data Waveform Window Waveform Marks Wavetorm een Pater Source Current TDS301 2 Channel Height foo y GPIB 1 External Color ee 7 fy Oct IV Show Waveform C SameA l z Measurements Readouts M Show Readouts Readout Color LL H Cancel Apply Options Help Measurement Setup Figure 3 62 Waveform tab of the Waveform Properties dialog box Tektronix Logic Analzyer Family User Manual 3 91 Waveform Window Exporting Waveform Data You cannot export waveform data directly However you can add DSO waveform information as a column in a Listing window and then export the data as a listing file Refer to Exporting Listing Data on page 3 105 for more information
216. s apply to the logic analyzer only Check the Status Monitor for an external clock warning If the logic analyzer does not receive an external clock the Status Monitor displays the following message External Clock Source Idle Check for signal activity at the probe tip If there is no activity check the probe connections Check the clock signal to ensure that the logic analyzer actually receives clock data Problems with the clock signal can impact setups using external clocking custom clocking microprocessor support packages only or storage qualification Similar to the previous item check clock qualifier signals and clocking equations m Check the threshold voltages for probes and clocks Tektronix Logic Analzyer Family User Manual 3 65 Acquisition Oscilloscope Module Arming or Intermodule Triggering First Transition Indication Problems 3 66 If the logic analyzer is correctly clocking data and the data events have occurred but the trigger program did not generate a trigger check the trigger program itself The trigger program might not be reaching the state that generates the trigger Use the Status Monitor to track trigger program progress and identify the state in which trigger progress stops Check the complexity of your trigger program If your trigger program is too narrowly defined or over specified the trigger program might not acquire the desired data or might not trigger A less specific trigger p
217. s tr Help Figure 3 20 Activity Indicators dialog box If the activity indicators show no activity the problem could be that there is no signal voltage the voltage threshold level is incorrect or the channel lead is not connected If all the channels associated with a probe are inactive check the probe connections You can leave the Probe Properties dialog box open while you set up other windows This dialog box is useful for verifying that clocks are active in external clocking and for troubleshooting complex clock setups Tektronix Logic Analzyer Family User Manual Setup Setting Probe Thresholds Use the Thresholds tab located in the Probe Properties dialog box to set the input threshold voltage settings for probe channels clocks and qualifiers of the logic analyzer Changes are immediately executed even during acquisition Figure 3 21 shows the Thresholds tab within the Probe Properties dialog box NOTE You can display a second Probe Properties dialog box to view real time signal activity while modifying input threshold voltages To do so click the Probes button again and then click the Activity tab Initially the Thresholds tab contains values that are set in the Preset tab of the Options dialog box Probe Properties LA 1 Z 2 x Activity Thresholds info Threshold EM H Seal Threshold Clk Qual Threshold CKO Close Help Figure 3
218. sentation of the data by selecting the display radix of the columns You can also make other format selections such as font size color and column width You can use filters to display only specific data or to not display specific data a FFEOTDZC FF540000 FF 07D2E FF 07D30 FF 07DS2 FFOOs212 FFoo 214 FF o07De4 FF 07D36 FFS607D36 FFOO amp 20E Figure 2 6 Listing data You can include data acquired by the external oscilloscope in the Listing window As with any module the data samples from the oscilloscope are time correlated with the other data and appear on separate lines Tektronix Logic Analzyer Family User Manual 2 7 Operating Basics Microprocessor Support For microprocessor applications the acquired data can be disassembled back into the assembly language mnemonics used by a particular microprocessor Figure 2 7 shows an example of the disassembled mnemonic display format Microprocessor support usually requires a special input probe dedicated to a specific microprocessor Fl Int Svr code lei nin 4 Ea i aa ES ajA 4 fi l Ci C2 My 68340 My 68340 CPU F address tixemonmic Timestamp oooo130e i READ 3 37 589 000 O000130E i READ 3 37 154 000 O060431E SUBQ L 1 D0 36 773 000 Odd 4320 TST_L D 36 404 000 MOLDE SESA BGT_B 00604312 36 029 000 MOE wia i FLUSH 2335 654 500 0050212 CUPI L 00000007 00001230C 25 279 500 on60a214 EXTENSION 24 904
219. settings You can apply the data valid window analysis result to only one clocking mode at a time AutoDeskew Properties The AutoDeskew Properties dialog box contains controls that affect the display properties of the AutoDeskew window By selecting properties from this dialog box you control which windows display in the analysis results area of the AutoDeskew window and the colors used to display them The property selections will not display in the AutoDeskew window if you do not select the check box x Graticule I Show Gratioule J window Options M Invalid Data Region Ey M Data Valid Window OOO IV Suggested Sample Point I Setup Hold Violation Window 2 IY Curent Sample Point A M Clocking Mode Current Clocking Mode External bl Note The clacking mode selection controls the display of the current sample points DK Cancel Apply Default Help Figure 3 103 AutoDeskew Properties dialog box Tektronix Logic Analzyer Family User Manual 3 157 AutoDeskew 3 158 Tektronix Logic Analzyer Family User Manual aa Glossary a ET Glossary AC coupling A DSO mode that blocks the DC component of a signal but passes the dynamic AC component of the signal Useful for observing an AC signal that is normally riding on a DC signal Acquisition The process of sampling signals from input channels processing the results and displaying the data Active
220. sing the File menu Loading a System When you load a system you load the full system setup which includes setup data and trigger information for the logic analyzer and all installed modules If the saved system file included data the data windows and saved data are also loaded When you try to load a saved system with a different module configuration than your current system the logic analyzer displays a dialog box see Figure 3 41 giving you the option of using a suggested configuration The suggested configuration is listed at the bottom of the dialog box Click OK to accept the suggested configuration NOTE If you load a setup that you saved with suppressed samples the sup pressed samples are not present in the setup TLA l x The saved system configuration does not match the current system configuration Modules in the saved system will be mapped to modules in the current system as shown below Any modules in the saved system that are not mapped will not be loaded Any modules in the current system that aren t mapped to will be defaulted and disabled Press OK to continue with the load operation Press Cancel to abort LA 1 Slots 3 4 willbe loaded onto Slots 3 4 Expansion 1 LA 2 Slots 5 6 willbe loaded onto Slots 5 6 Expansion 1 LA 3 Slots 10 11 will be loaded onto Slots 7 8 Expansion 1 Cancel Figure 3 41 Loading a saved system that does not match the current system Tektronix Logic Ana
221. ssed data 3 82 SUT Glossary 9 Symbol files loading 2 24 viewing the status 2 23 Symbolic radix 2 20 Glossary 8 Symbolic range generation Glossary 8 Symbols histogram ranges 3 124 Symbols and symbol files 2 20 Symbols and terms ix Symbols dialog box 2 23 Synchronous acquisition 2 2 Glossary 8 System defaults 3 61 System Interprobing dialog box 3 23 System options 3 61 System trigger 3 51 3 69 Glossary 8 source 3 52 System trigger in out connectors 3 56 System under test Glossary 9 System window 3 1 3 68 T Target system Glossary 9 Technical support contact information xii Tektronix contacting xii Tektronix binary format 3 106 Text data exporting 3 106 Threshold voltage Glossary 9 Thresholds DSO vertical input 3 45 indicator in DSO waveform 3 73 LA channels 3 27 Time Alignment dialog box 3 69 Time correlation 2 6 2 10 3 69 Glossary 9 Time per div in Waveform window 3 90 Time stamp 2 6 Glossary 9 TLA700 Series logic analyzer description 1 1 Toolbar Graph window 3 131 Histogram window 3 124 Listing window 3 102 Source window 3 116 Waveform window 3 88 Trigger 2 3 Glossary 9 clause 3 31 Glossary 2 Tektronix Logic Analzyer Family User Manual DSO module setup 3 47 indicator 3 1 LA trigger actions 3 37 LA trigger events 3 35 LA trigger resources 3 36 LA Trigger window configuration 3 28 MagniVu trigger position 3 42 options data storage 3 39 Force Main
222. sses acquired data from the logic analyzer data and control information from any bus that carries packetized data It works on any type of bus that connects the link layer and physical layer devices A bus specific framer is an application that processes acquired data from the logic analyzer data and control information from a particular bus that only carries packets Tektronix supplies framers for the SPI 3 TX and RX SPI 4 2 LVDS and LVTTL TX and RX buses Bus specific framers require their corresponding support packages The packets created by the bus specific framers are exact packets Generic framers add more information to the packets that need to be decoded using protocol definition files As a result you may not get exact packets if you use a generic framer The generic framer has the following limitations Scrambling is not supported m Fragmentation is not supported Encoded data will be framed as is Tektronix Logic Analzyer Family User Manual Protocol Window Transmit and receive busses cannot be linked Only multiples of 8 bit bus widths are supported m Insome cases additional information is added to the packets depending on the specified field conditions You can further decode the packet using protocol definition Protocol Designer You should consider using a generic framer when setups do not have associated bus specific framers The Define Bus check box in the New Protocol Window wizard is au
223. structions or code modules The logic analyzer makes this task more manage able by allowing you to assign symbolic names or mnemonics to group values For example assign the symbol WRITE to the control bus event that causes the target system to write to a memory location Then if you want to trigger when a write cycle occurs enter WRITE in the trigger program in place of the actual data value You can also choose to have WRITE appear in the Listing window for quick identification of the instruction In Figure 2 20 the example shows a trigger program that uses the symbol BUS_ERROR as part of the trigger clause i Trigger QSTART E olx Dft S teltu Ba E Stoe an v Trigger Pos j PowerTrigger CEHE State 1 IFEventA Increment Counter 1 If Group Address BUS ERROR Then GoTo2 Loo State 2 If Channel ALT_BUS_D High All hd adilar Figure 2 20 Using symbols in a trigger program You can use symbol files with a Source window and an associated Listing window to track the execution of source code The symbol file provides the information to associate a line of source code to an address in a Listing window When you move a cursor in one window the symbol file provides the necessary information to move the cursor to the correct location in the other window Often the application software will define symbols for you For example when you load a microprocessor support package symbols are also loaded t
224. support package configures the Setup window for you To load a microprocessor support package from the File menu click Load Support Package select the support package you want to load and then click Load After loading the microprocessor support package the Setup window shows the channel definitions channel groups and clocking requirements for the micropro cessor support package Figure 3 3 shows an example of the Setup window after loading the QSTART support package if Setup QSTART BEES Clocking friem al dns he Memory Depth naa gt Acquire Normal gt Support OSTART Probes Suppress Define Compare MSB Probe Channels A30 A2 A10 AO D10 D0 RESET FREEZE AVEC IRG_ANY_D BG_D BGACK_L BERR HALT AMC R FC3 FC2 FCI FCO DSACK1 DSACKO SIZ1 SIZO Probe Channels Names 2 0 CLKQual x a3 X iod 3 XI sddr_3t X ddr_ 24 X idar 24 X ddi 27 X ddr 26 Xda 25 XM sddr_2 cko AZ _Xscor_21 J ader_22 dadr_2 X 20X sda 1 I sda 1 X da_ 17 odd_1f_ LKOUT Xt Xod 15 I sddr_14 X 17 X dar 11X sda 11X sadr 11X Ada_a gt Add g ck x an XAda_7 X Add_ 6 XllAdd 5 X lAddr 4 X Addr 3 XI Addr_d X Adar_1 Add d J 7_BUS 5 n n n n alla m mmnm al a ni af ji x In selected group E Not grouped Table Shows Charnel Polarity milinctherercnct Channel Compare Figure 3 3 Setup window with the QSTART support package Fo
225. t a measurement you can then modify individual measurement settings Figure 3 99 shows an example of the iVerify Window tab showing the 6 point mask settings Tektronix Logic Analzyer Family User Manual 3 151 iVerify Eye Coloration Tab 3 152 Properties i erify x About Data Werify Window Eye Coloration V Show Graticul i Default Background ClckEdse E Highlight Colo YF Measurement Option E Point Mask 7 O E oe O D A Line Color E Figure 3 99 iVerify Window tab with 4 point mask measurement settings You can edit the color schemes for eye diagrams from the Eye Coloration tab of the iVerify properties page Available color schemes are Temperature Grading Spectral Grading Monochrome Gray Monochrome Green and User Defined If you select the User Defined scheme you can invert the colors that indicate the highest and lowest sample densities Properties iverify x About Data Verily Window Eye Coloration Color Scheme Temperature Grading T m Scheme Definition Color Minimum Hits _ TT Defeat N SS invert Color N C E N v Maximum Hits A Figure 3 100 Eye Coloration tab Tektronix Logic Analzyer Family User Manual Se Aa AutoDeskew The AutoDeskew tool allows you to automate deskew and verification of logic analyzer setup and hold windows The logic analyzer allows
226. ta is stored in a separate memory that is parallel to the main memory All data from the sampler goes directly to the MagniVu memory The MagniVu memory also works like a circular buffer Unlike the acquisition memory the MagniVu memory does not qualify data storage through the trigger function block MagniVu data is continuously acquired on all channels at the fastest sample rate of 500 ps for TLA7Lx Mx Nx Px Qx logic analyzer modules and TLA600 series logic analyzers and 125 ps for TLA7Axx logic analyzer modules and TLA5000 series logic analyzers Like normal acquisition data MagniVu data can be displayed in the Listing or Waveform data windows For TLA7Lx Mx Nx Px Qx logic analyzer modules and TLA600 series logic analyzers the MagniVu data is centered on the logic analyzer trigger in the data window For TLA7Axx logic analyzer modules and TLA5000 series logic analyzers the trigger position for MagniVu data is variable you control the MagniVu trigger position by a set of controls in the advanced toolbar See MagniVu Data on page 3 83 for additional information One of the logic analyzer s most useful features is its ability to detect and trigger on both signal glitches and setup and hold violations A glitch is a signal that makes a transition through the threshold voltage two or more times between successive acquisition samples Because glitches are often signal transitions that occur intermittently they can cause circuit malfunctions th
227. tate aspects of the data Tektronix Logic Analzyer Family User Manual Operating Basics The signal you chose as the external clock to the logic analyzer should be the signal that controls the activity of the other signals you want to observe For example to observe the output states of a counter chip use the clock input to the counter chip to act as the external clock source to the logic analyzer With this setup each clock pulse to the counter chip can also be used to clock data from the counter output lines into the logic analyzer As another example to record the data being written to a latch you could use the load signal to the latch as the external clock source to the logic analyzer Internal Asynchronous Clocking Much activity can occur in the target system between system clock signals Using the logic analyzer s internal asynchronous clock you can view all activity in the target system not just the data available at the target system clock signal Internal clocking is the best choice when you are primarily interested in the timing aspects of the data It is important to note however that the value of internal clocking is not limited to displaying waveforms If you want a detailed picture of data activity both during and between state changes use internal clocking For example internal clocking allows you to acquire and display glitch information in either the Waveform or Listing windows Acquiring Data When you start
228. th A faster sample rate provides a shorter time window but with higher resolution NOTE If you select Glitch or Setup Hold mode the maximum memory depth is limited to one half the normal value Internal in x Memory Depth 1194304 Acquire Normal Support None Clocking Use channel grouping to organize the LA probe channels to match the configura tion of the target system Depending on your application match the channel groups to the address and data buses or other channels of interest Then name the channel groups for easy identification Tektronix Logic Analzyer Family User Manual Setup Any number of groups can be created Each group can contain any combination of module channels the application does not restrict you from repeating channels from various groups When using group range events range recognizers the probe groups and probe channels must be used in hardware order That is probes must be used from the most significant probe group to the least significant probe group based on the following order C3 C2 C1 CO E3 E2 E1 E0 A3 A2 D3 D2 A1 AO D1 DO Q3 Q2 Q1 Q0 CK3 CK2 CK1 CKO The probe channels must be used from the most significant channel to the least significant probe channel based on the following order 76543210 In Internal 2X Clocking and External 2X Clocking mode half of the probe channels are designated as the demux destination indicating that they are unavailable as a so
229. that module You also have the option of saving the data for that module When you save a system you save all the setup information for the system including data window display settings and all the module information as well System Data Windows General Settings Module 1 Module 2 Module n Setup Setup Setup Trigger Trigger Trigger Data Data Data Figure 2 5 Logic analyzer conceptual model Tektronix Logic Analzyer Family User Manual 2 5 Operating Basics Intermodule Interactions and Time Correlation Each module has its own setup trigger and clocking functions Logic analyzer modules can include microprocessor support as part of their setup Each module also acquires and stores its own data When you start an acquisition all modules start acquiring data together Exceptions are when one module has been programmed to arm another or when a module has been turned off Modules stop acquiring data individually according to their trigger programming You also have the option of setting the logic analyzer to operate in repetitive mode in which the modules acquire data and update the data windows continually until you manually stop the acquisition Modules readily communicate with one another by means of their trigger programs You can specify functions such as the following m Trigger all modules system trigger m One module arms another Modules respond to events declared by another module
230. that triggers tigger All Modules nor Wait m System Trigger In Out Connectors M Enable Sys M Enable SystemTriager Gut front panel connector em Trigger In front panel connec ar Cancel Help Figure 3 37 System Trigger dialog box Table 3 10 System trigger source System trigger source Modules trigger independently Systems triggered by this module System triggered by the first module that triggers Modules trigger using the current custom setup Enable System Trigger Out Enable System Trigger In Description Trigger All Modules and Wait for System Trigger actions in all trigger programs are changed to trigger actions The selected module s trigger program uses the Trigger All Modules action all other programs will wait for the system trigger Use the associated list box to select which module is used to trigger the system Trigger actions in all programs are changed to Trigger All Modules If the system has an external oscilloscope it is set up to wait for the system trigger Enabled by default when your trigger setups do not match one of the previous system trigger options Check box that enables or disables the System Trigger Out connector Check box that enables or disables the System Trigger In connector Tektronix Logic Analzyer Family User Manual Setup Arming Modules NOTE When you apply a system trigger option your choice will only aff
231. that you want to see in the data window You can define one or more data filters to do the following m Hide specific data For example you can define a filter to not display data when all of the data in a channel group is equal to FFFF m Show specific data For example you can define another filter to show data from a specific address m Color specific data For example you can define a filter to display data to another address with a specified color Filters are saved as part of the module setups You can load filters when you need them You can also edit and rename filters Filters can be very complex or very simple The filter definitions are very similar to trigger definitions Figure 2 19 shows an example of a filter definition i Define Filter LA 1 Filter 2 x Module Filter ja 1 Filter gt I Enable this Filter Description Color x all W when CKOAND A317 OR Timestamp croup 7 cko 7 fr _Bin And J channel x Ea z chanj fi z Timestamp r x Sns before Trigger 7 Cancel Apply Load Filter Help Figure 2 19 Filter definition Tektronix Logic Analzyer Family User Manual 2 19 Operating Basics Symbol Support 2 20 Symbols simplify tasks such as setting up triggers or identifying specific values within the data When you program a trigger or view data it is cumbersome to remember which numeric channel group values correspond to particular machine in
232. the data to be acquired Each module has its own Setup window and Trigger window and each is set up individually You should configure the Setup window before the Trigger window because some of the Setup window settings affect Trigger window selections fi Setup LA 1 5I x Dalby Sy bs probes H Feeds Filters i F Supress i Clocking EREM 2ns X Memory Depth 67108064 X Acquire Normal v Suppor Package None Probe Channels az eo aro Probe Channels Names CLKQual 7 Sl E E m E m j A a waj x In selected group _ Not grouped Table Shows Channel Polarity _ In other groupts Channel Compare 6 IE E B E F Figure 3 2 Logic analyzer setup window Tektronix Logic Analzyer Family User Manual Setup NOTE If you intend to use merged modules ensure that the modules are located in adjacent slots and are physically connected together If necessary refer to Merging Modules in the TLA700 Series Installation Manual for instructions on physically merging the modules together You may also want to refer Merging Modules beginning on page 3 56 for other information on merging modules before you proceed with the setup procedure Microprocessor Support If you intend to use a microprocessor support package load it before completing Setup the entries in the Setup window The microprocessor
233. the File menu and then selecting the desired trigger file Tektronix Logic Analzyer Family User Manual Setup D L Jee Ae il JAL a se e al Trigger Pos j aial Setting Up the Oscilloscope Module DSO Probe Calibration Before acquiring and displaying an analog waveform you must first set up the oscilloscope using the DSO Setup window You can set the vertical horizontal and trigger parameters manually or you can use Autoset for a quick automatic setup based on the input signal NOTE The setup and data windows operate independently you cannot change setup parameters by changing the data display Once you acquire data you can manipulate the display but that will not change the input settings used to acquire the data You must return to the DSO Setup window to change input settings which take effect with the next acquisition To open the DSO Setup window go to the System window and click the DSO Setup button T Setup DSO 1 Iof Channel 1 Channel 2 Channel 3 Channel 4 Horizontal Trigger Vertical Input Voltage Renge a pgoreroeeeseseenceneees Maximum 6 5V pk pk volts 1 nd i m i i Ditset fv E a A Minimum 500r eh Tetmination mA Bandwidth Full al cm oset _Proba Cal Cal Coupling for gt Signal Name Channelt Probe Type 1 Figure 3 32 DSO Setup window Probe calibration optimizes the signal path for this probe channel modul
234. the external oscilloscope is capable of triggering the logic analyzer Clock synchronization Indicates whether you can synchronize the logic analyzer and external oscilloscope clocks 3 50 Tektronix Logic Analzyer Family User Manual Setup External Oscilloscope The Connections tab contains diagrams that help you to confirm that your logic Connections analyzer and external oscilloscope are physically connected correctly Two diagrams are available for confirming the physical connection of both your logic analyzer and your specified external oscilloscope Click the TLA Connections button to display the logic analyzer diagram or click the TDS Connections button to display the diagram for the external oscilloscope that you specified in the setup wizard 210134 Setup Trigger Connections Logic Analyzer VIEW EXTERNAL SCOPE CABLE SMB BNC SYSTEM TRIG IN SYSTEM TRIG OUT If you are having difficulty with your connections you can go through the Add External Oscilloscope Wizard again to get detailed instructions about how to connect pour external oscilloscope to the logic analyzer Figure 3 36 External Oscilloscope Connections tab For further information about external oscilloscope setup refer to the online help System Trigger The system trigger is a global trigger event that forces all untriggered modules to arm immediately and trigger Only one system trigger occurs per acquisition When displaying
235. til main memory allocated for postfill data samples is filled With TLA7Axx logic analyzer modules and TLA5000 series logic analyzers you can adjust the MagniVu storage rate downward allowing for a lower resolution of data samples from a longer time period The MagniVu trigger position available with TLA7Axx logic analyzer modules and TLA5000 series logic analyzers selects the amount of pretrigger MagniVu data to store and determines the position of the trigger in the data record You can control the MagniVu trigger position independently of main trigger position by a set of controls in the advanced toolbar Tektronix Logic Analzyer Family User Manual 3 41 Setup Saving Trigger Programs Loading a Saved Trigger 3 42 Program The MagniVu trigger position controls mirror the corresponding controls for main memory trigger position They consist of a slider control an edit box and a spin control positioned beneath the main memory trigger controls They behave like the main memory counterparts except that the MagniVu trigger position is constrained by the MagniVu storage rate as shown in Table 3 7 Table 3 7 MagniVu trigger position Storage rate Resulting trigger position constraint 125 ps 0 to 58 in 1 increments 250 ps 0 to 79 in 1 increments 500 ps 0 to 89 in 1 increments 1ns 0 to 94 in 1 increments NOTE MagniVu data acquisition starts prior to the run line and fills memory before any possible trigg
236. tion dialog box contains both events and actions that you define to specify the behavior of a given trigger clause Click the If Then button located in the Trigger detail portion of the PowerTrigger tab to display the Clause Definition dialog box Tektronix Logic Analzyer Family User Manual Setup Trigger Events Use trigger events to define the If portion of the event clause in the trigger program Figure 3 29 displays the Clause Definition dialog box with the trigger event list box selected Table 3 3 lists the available trigger events and provides a description of each Clause Definition LA 1 State 1 1 2 x Then Group Radix arm Module D501 kA Trigger b Hex z And Event Name optional Cancel Add Delete Help Figure 3 29 Clause Definition dialog box Trigger Resources list box Table 3 3 Trigger events Event Description Word Tests the channel groups for the word values defined in the Word definition dialog box Group Tests a specified channel group for a specific value a range of values or a value change Channel Tests the specified channel for a value or a value change Snapshot Available in TLA7Axx logic analyzer modules and TLA5000 series logic analyzers compares the current acquisition sample with a previously loaded sample in the snapshot recognizer Transition Tests the specified channel groups for the transitions as defined in the Transition Definition dia
237. tomatically selected when a bus specific framer is not available If a bus specific framer is available the Define Bus box is cleared However you can enable the check box even if a specific framer is available Use the generic framer when the information cells packets and control words flowing on a bus are captured and framed by the logic analyzer The Protocol window displays the decoded framed packets Tektronix Logic Analzyer Family User Manual 3 141 Protocol Window 3 142 Tektronix Logic Analzyer Family User Manual ee E Protocol Designer The Protocol Designer is an Integrated Development Environment IDE that combines the functionality of a protocol and stack editor along with a protocol compiler There are four panes in the Protocol Designer window the Stack Definition pane Stack Protocol Information pane the Protocol Editor pane and the Compilation Results pane The Stack Definition pane and the Protocol Editor pane are editors In the Stack Definition pane you can add protocols define a stack and create relations between the protocols in a stack The Stack Protocol Information pane displays detailed information on a selected protocol including the relations of that protocol in the stack The Compilation Result pane displays the results of compiling a protocol To open the Protocol Designer window click the Protocol Designer button on the toolbar DESCRIPTION ATM _NNI DECODING_RULES BER PACKET PSDL_S
238. tronix Logic Analzyer Family User Manual Waveform Window lox a ke ES Celie Bato E tineri ius mjn E C1 50 64us C2 59 96us Delta Time 9 32us 4 T Lock Delta Tim Figure 3 48 Magnitude waveform DSO Waveforms DSO waveforms are analog timing diagrams that represent a single DSO channel Range readouts for DSO waveforms are located at top and bottom left of the waveform The range readouts show the maximum and minimum vertical input voltage settings for the waveform See Figure 3 49 The ground line appears as a horizontal dotted line through each DSO waveform If ground is outside the bounds of the waveform the line is not shown The trigger threshold is indicated by a T gt at the right side of the waveform Set the trigger threshold in the Trigger page of the DSO Setup window ee eII Waveform 2 Channeli Figure 3 49 Range readouts Tektronix Logic Analzyer Family User Manual 3 73 Waveform Window Reading the Waveform Indicators Data marks cursors and other indicators help you navigate and identify the data Figure 3 50 and Table 3 13 identify and describe data window marks To move cursors or marks drag the cursor and mark handles Trigger marks and Begin End data marks cannot be moved For more information on using marks refer to the online help Begin data mark System trigger Module trigger User mark Cursor 1 Cursor 2 End data mark Ms x a G Timesdiv 100
239. trument type if a microprocessor support package has been loaded Your clocking choice determines further clocking selections Tektronix Logic Analzyer Family User Manual 3 7 Setup 3 8 Internal Clocking Internal asynchronous clocking uses the logic analyzer internal clock to determine when to sample data Typically internal clocking is used for timing analysis waveform data Clocking 7j jins z Memory Depth an 94304 Acquire Nomai Support None When you choose Internal clocking the only additional selection is the clock rate in the next field Because the internal clock signal is asynchronous to the target system select a sample period that is considerably faster than the data rate of your target system For more information on Internal clocking refer to the online help Internal 2X Clocking When you use Internal 2X clocking mode you trade half the input channels for twice the sampling speed and acquisition depth You can use Internal 2X clocking mode with triggering and in both Listing and Waveform windows If you are using a TLA7Lx Mx Nx Px Qx logic analyzer module or a TLA600 series logic analyzer Internal 2X clocking provides a sample rate of 2 ns using a TLA7Axx logic analyzer module or a TLA5000 series logic analyzer Internal 2X clocking provides a sample rate of 1 ns Ins bd Memory Depth 67108864 x Acquire Normal Support Package None Clocking Internal 4X Clocking Available
240. ts 3 154 Autoset 3 44 Bandwidth DSO module setup 3 45 Benchtop chassis Glossary 2 Binary data exporting 3 106 Block diagram LA module 2 2 pattern generator module 2 4 Blocks mode 3 18 Busforms 2 10 3 72 C Calibration DSO probe 3 43 Change detectors 3 36 Changing iConnect data 3 85 Channel activity 3 26 group 3 18 adding removing channels 3 20 hardware order 3 19 name 3 20 3 104 polarity of channels 3 20 probe thresholds 3 27 Channel group name 3 91 channel groups status bits 3 20 Clause 3 31 Glossary 2 Clause Definition dialog box 3 39 3 53 PowerTrigger 3 34 Clock 2 2 cycle Glossary 2 DSO module 3 46 equation 3 9 Glossary 2 external 2 2 Glossary 4 Index 1 Index internal 2 3 Glossary 5 problems 3 65 qualification Glossary 2 qualifier Glossary 2 sample clock 3 7 3 46 Glossary 7 sample clock waveform 3 72 sample rate vs memory depth 3 18 source synchronous Glossary 8 Clocking 2X 2 12 4X 2 13 advanced 3 9 custom 3 17 external 3 8 external 2X 3 9 external 2X DDR 3 9 external 4X 3 10 internal 3 8 internal 2X 3 8 internal 4X 3 8 multiple phase 3 9 source synchronous 3 10 COFF file formats Glossary 2 Color in data windows 3 61 3 91 3 104 3 116 3 125 3 133 3 134 Color range symbols Glossary 2 Column adding 3 102 changing width 3 103 cut copy and paste 3 103 moving 3 102 naming 3 10
241. ttom When one of the clauses goes true the event defined in the If statement occurs then the logic analyzer performs the action s specified in the Then statement There are several actions to choose from including triggering the system and transferring control of the trigger program to another state NOTE The clauses within a given state are hierarchical and are evaluated in real time from top down If multiple clauses are true in the same clock cycle the earliest clause in the state that is evaluated as true will have its action s execute all other clauses will be ignored Add clause statements that are unconditionally true at the bottom of your If Then list Otherwise no other If Then clauses will be evaluated Complete details of a trigger program s structure are only available from the PowerTrigger tab allowing you to either view details hidden in the EasyTrigger tab view or change the composition of the states and clauses The trigger program structure that displays from the EasyTrigger tab is predefined and is based on the trigger program that you select Using a predefined trigger structure allows you to begin using triggers without having to initially specify all of the available program implementation details Tektronix Logic Analzyer Family User Manual 3 31 Setup EasyTrigger Properties 3 32 The EasyTrigger tab displays a list of simplified logic analyzer trigger programs program controls and both a des
242. u can specify the number of times that you want the logic analyzer to acquire data With each acquisition you can save the data to a file for analysis You can also set up the logic analyzer to open a file or execute a program when all of the acquisitions have been completed You can set up the logic analyzer to acquire and compare the acquisition data to known reference data The logic analyzer can continue acquiring data until there is a mismatch between the acquisition data and the reference data Figure 2 18 shows an example of such a setup where the acquired data is exported to a file for each acquisition When a data mismatch occurs the logic analyzer stops acquiring data and exports the data to a file The faulty data can now be analyzed by another application Repetitive Properties x After Each Acquisition M Save Export Data from Le Error 7 To File LED Fault txt Browse Save in same file each acquisition C Save in new file each acquisition Starting file Suffix fi I Stop if Compare with Reference is Not Equal on QSTART T Stop After fi Acquisitions Open Figure 2 18 Defining repetitive setups Tektronix Logic Analzyer Family User Manual Operating Basics Data Filters The logic analyzer normally displays all data acquired by the probes from the target system Often times it displays data that you are not interested in You can use data filters to display only the data
243. u can use the storage selections to disqualify the unwanted data samples and fill memory only with the desired data Use the Storage box to select the default data storage rules for the module Use one of the storage actions in the Then statement of the clause definition to override the default storage setting The example shown in Figure 3 31 is using conditional storage Data is stored only when the specified event is true Tektronix Logic Analzyer Family User Manual 3 39 Setup ox Drfer Ss telti AE Storage Conditiona x TriogerPos pos HH I Force Main Pretill Magnivu fizsps x MagniVu Trigger Pos SEE 50 Storage chee Storage sales Fun Store Sample State 1 State 1 Trigger on the very first sample Any ini State 2 s 7 GoTo2 State 2 u Signal 1 Is True Then Trigger All Modules Figure 3 31 Using trigger storage Table 3 6 Trigger storage Storage option Description All Stores all samples You can exclude a sample from being stored by selecting the Don t Store action in the Then statement of the trigger clause The trigger sample is always stored None Does not store samples You can explicitly store a sample by selecting the Store Sample action in the Then statement of the trigger clause Transitional Stores samples only if one of the specified channel groups changes state To select the channel groups that
244. ual Waveform Window Table 3 14 Automatic waveform measurements Cont Measurement Negative Overshoot Mean RMS Rise Time Fall Time Positive Width Negative Width Measurement Period Frequency Positive Duty Cycle Negative Duty Cycle Area Tektronix Logic Analzyer Family User Manual Description This voltage measurement is measured over the entire waveform or gated region and is expressed as Negative Overshoot Low Minimum Amplitude x 100 This voltage measurement is the arithmetic mean over the entire waveform or gated region This voltage measurement is the true Root Mean Square voltage over the entire waveform or gated region This timing measurement is the time required for the leading edge of the first pulse in the waveform or gated region to rise from the low reference value default 10 to the high reference value default 90 of the final value This timing measurement is the time required for the falling edge of the first pulse in the waveform or gated region to fall from the high reference value default 90 to the low reference value default 10 of the final value This timing measurement is the distance time between the mid reference default 50 amplitude points of a positive pulse The measurement is made on the first pulse in the waveform or gated region This timing measurement is the distance time between the mid reference default 50 amplitude poi
245. unintentional signal that makes a transition through the threshold voltage two or more times between successive sample clock cycles Noise spikes and pulse ringing are examples of glitches Graph window A data window in which you can plot and view acquired data in an X Y graph format Histogram window A data window used to observe the performance of software routines IEEE695 file format This object file format refers to the IEEE695 specification This format is used primarily by compilers for a wide variety of Motorola microprocessors and compatible microprocessors from other vendors This format provides for the inclusion of column information in source symbols but not all compilers use this capability Internal clock A clock mode in which the sampling of input logic signals occurs asynchro nously to the activity of the system under test Interpolation Display method used to connect the sample points acquired and display them as a continuous waveform The logic analyzer uses sin x x interpolation to display DSO signals LA module An abbreviation and generic term for a TLA700 series logic analyzer module Linear generation A Histogram window term The histogram ranges are evenly distributed from the highest range boundary to the lowest range boundary Listing window A data window used to observe the data flow in the system under test The acquired data is displayed in a listing tabular text format Log generation A Histog
246. urce see Figure 3 15 NOTE If a microprocessor support package is loaded do not change or delete the default channel groups Doing so can cause an inaccurate analysis However you can still add and delete new channel groups If you have a TLA7Axx logic analyzer module or a TLA5000 series logic analyzer both Internal and External 4X Clocking modes designate three quarters of the probe channels as the demux destination to indicate they are unavailable as a source In Source Synchronous and External Clocking mode the source channel availability depends on whether you have set up probe channel demultiplexing For more details on Source Synchronous clocking refer to the online help If a microprocessor support package is loaded the channel groups are defined for you Tektronix Logic Analzyer Family User Manual 3 19 Setup 3 20 alo Clocking ternal 2 Ins hd Memory Depth erossa e Acquire Normal Support Package None Probes Analog Feeds Suppress Define Compare Group Name MSB Probe Channels CKO A3 7 0 A2 0 Probe Channels Names Probe 7 6 Bee 4 3 2 1 0 CLKQual a a fod a a d g g E cko 4 omeje 0o o 0 o g x at __ _ cK EET E e a a a o S e e M M M M M j x In selected group E Demux Source E Not grouped Table Shows Channel Polarity B Penpmibastneten
247. vice such as a DSO probe or attenuator the ratio of the input measure to the output measure For example a 10X probe attenuates or reduces the input voltage of a signal by a factor of 10 Benchtop Chassis A benchtop chassis is a benchtop mainframe without a benchtop controller installed Clause A trigger program term The combination of one or more events If statements or actions Then statements When the Event is satisfied the action is performed See also State Clock cycle A clock sequence that includes both high and low going transitions Clock equation The Boolean combination of events needed to generate a storage clock You can define a variety of clock inputs and link them using Boolean operators Data will be sampled and stored in memory only when this clock equation is true Clock qualification The process of filtering out irrelevant data by combining an acquisition clock with one or more bus signals Clock qualifier An external signal that acts as a gate for the acquisition clock When the external signal is false the acquisition clock is not allowed to load acquired data into the acquisition memory COFF file formats The COFF Common Object File Format format contains a number of variations and extensions such as ECOFF and XCOFF This flexibility enables it to be used with a wide variety of different microprocessors Some code generation tool vendors also extend this format in nonstandard ways that may make t
248. vs L4 1 Data e Met Ada minn ME Canard CA Figure 3 86 Graph window Creating a Graph Window Use the New Data Window dialog box to create a new Graph window You can create a new Graph window with data by following the on screen instructions or you can create an empty Graph window and add data later Tektronix Logic Analzyer Family User Manual 3 129 Graph Window Adding a Data Series to the Graph Window Add a new data series to the Graph window by either clicking the Add Series toolbar button in the Graph window or by selecting Add Series from the Edit menu If you have an empty Graph window no data series are assigned to the data window the first time that you click the Add Series button a wizard opens up to help you add the data series to the Graph window If you already have data in the window the Add Series dialog box appears so you can add a new data series from any of the available data sources NOTE The default X axis and Y axis data source selections depend on the settings that you specified in the New Graph Window data wizard To use a different X axis and Y axis data source type you need to create a new Graph window Select a data source from the drop down list If necessary you can click the Add Data Source button to locate a data source from the file system After selecting the data source select one of the channel groups or other values depending on the data source type and then click the Ad
249. will detect a change in state for Transitional storage click the Change Detect button which is located in the Trigger Detail area of the PowerTrigger tab Conditional Stores samples only if the storage clause is true Program this clause in the same way as a regular trigger clause Start Stop Storage is controlled by the Start Storing and Stop Storing trigger actions in the Then statement of the trigger clause Use the Start Storage Stop Storage button that displays in the Trigger Detail area of the PowerTrigger tab to select whether storage is initially enabled The Trigger Position selects the amount of post trigger data that is stored and determines the position of the trigger in the data record 3 40 Tektronix Logic Analzyer Family User Manual Setup After a module has triggered it continues to acquire data until it fills a specified amount of memory The total memory depth that the module fills is set in the Memory Depth box in the Setup window The proportion of data that is stored before and after the trigger is determined by the Trigger Position field For example if the Trigger Position is set to 10 and the module triggers then the module continues to acquire post trigger data until the remaining 90 of memory is filled If the trigger event occurs on any data sample before the specified amount of pretrigger data has occurred then the logic analyzer triggers and begins filling memory with post trigger data regardless of t
250. window 3 21 Figure 3 17 iConnect dialog box cece eee cece eee 3 21 Figure 3 18 Route from LA dialog box 0 ce eee eeee 3 24 Figure 3 19 Route to DSO dialog box cc cece ee eeee 3 25 Figure 3 20 Activity Indicators dialog box eeee0 3 26 Figure 3 21 Probe Thresholds dialog box 0eeee0 3 27 Figure 3 22 Probe Info dialog box cee cece eee eee 3 28 Figure 3 23 Sample EasyTrigger program 0eeee0 3 30 Figure 3 24 Sample PowerTrigger program 000 3 30 Figure 3 25 EasyTrigger tab structure ccc cee ences 3 32 Figure 3 26 PowerTrigger tab structure cece eeeee 3 33 Figure 3 27 Overview portion of LA Trigger window 3 34 Figure 3 28 Trigger detail portion of LA Trigger window 3 34 Figure 3 29 Clause Definition dialog box Trigger Resources Hst DOX 55 8 6 5 wv ole 0 oe Need 6 Ba ee So Be ies awe ba es 3 35 Figure 3 30 Clause Definition dialog box Trigger Actions NISC DOX EEEE tuts waver 8s 8 Paes he Vee UALS ASS 3 38 Figure 3 31 Using trigger storage 0 cee cece renee eee 3 40 Figure 3 32 DSO Setup window cece cee ceceececes 3 43 Figure 3 33 DSO Setup window Horizontal settings 3 46 Figure 3 34 External Oscilloscope Setup tab 006 3 49 Figure 3 35 External oscilloscope trigger tab 006 3 50 Figure 3 36 External Oscilloscope
251. ying predefined EasyTrigger programs Figures 3 23 and 3 24 show the Trigger window displaying both the EasyTrig ger and PowerTrigger tab contents NOTE You can specify which trigger tab displayed as the default when you start the TLA application From the System menu click Options and then click the Defaults tab Click the Trigger Window Style field and then select the desired trigger tab from the list box Tektronix Logic Analzyer Family User Manual 3 29 Setup 3 30 i Trigger LA 1 E lolxi Defer Sr teli ob A Storece all TriggerPos f fox HH I Force Main Prefill Magnivu 125ps MagniVu Trigger Pos 50 H EasyTrigger l PowerTrigger l Trigger on group value outside of a range Trigger an group value within a range Trigger on word transition Trigger on word value Measuring Time and Counting Events Simple Events Time or Count Sequence of Events Sequence of Events Time or Count Combinations of Events ic fa cco E ic Trigger on group value Selectthe desired group and enter the value EventA Group Fp Hex Description Triggers when the desired group has the specified value amp DODAO Events A Figure 3 23 Sample EasyTrigger program MF Trigger LA 1 la oz ltzls alei ALEN sersa a a Taoro fF I Force Main Prefill MagniVu 125ps MagniYu Trigger Pos H EasyTrigger I Power
252. you analyze skew and setup and hold settings of your data It provides suggested settings for your data through a graphical display You can manually adjust individual settings or accept the recommended settings and then apply the settings to the synchronous clock and setup and hold violation setups Figure 3 101 shows an example of the AutoDeskew window The legend at the bottom of the window describes the elements in the window each element has a different color to help you view the overall settings E Autobeskewa 1 O ioj x al o BIS Teee r eE Apply Clock Edge Suggested Channels 750p 2 a 500ps Ins 250ps ea Walid data area E Data Valid Window S H Violation Window Suggested Sample Point Mf Current Sample Point Est Figure 3 101 AutoDeskew window The Clock and Scale area displays clock and scale information A representation of the reference clock 0 point the point at which the AutoDeskew reference clock changes displays on the top along with a representation of the AutoDes kew analysis range The clock tick intervals of the displayed search range will reflect the MagniVu resolution of the module being analyzed The Analysis Results area displays the Data Valid window or Setup Hold Violation window analysis results in graphical format Tektronix Logic Analzyer Family User Manual 3 153 AutoDeskew Creating a New AutoDeskew Setup Make sure that your logic analyzer is pr
253. ypes of symbols loaded m The number of symbols loaded from the file Symbol files can have an unlimited number of symbols The number of symbols is limited by the amount of memory When you load a symbol file the symbols are placed in memory Because symbol files consume memory you should unload unused symbol files to keep memory available for your main application m The number of source files referenced by source code symbols loaded from the file m The minimum and maximum address values and offset information Click the Load button see Figure 2 23 to open the Select Symbol File dialog box and load a new symbol file You can browse the file system for the symbol file If the symbol file is a range file you can click the Options button in the Select Symbol File dialog box to open the Load Symbols Options dialog box Click the Export button to save the current file as a TSF format symbol file You can view the exported symbol file with applications such as Wordpad Edit the symbol file by saving it under a new name and using a text editor Save the edited file in text format You can then load the edited symbol file Tektronix Logic Analzyer Family User Manual Operating Basics Load Symbols Options Use the Load Symbols Options dialog box see Figure 2 24 to specify options Dialog Box for range symbol files before loading them into the system ax File Format M gt Spmbol Types V Functions M Variables M SowceCode I Color
254. ypically to the control group These symbols represent data values that correspond to bus cycle types Other software applications produce range symbol files which you can load typically these files are loaded to the address group Tektronix Logic Analzyer Family User Manual Operating Basics Symbol Files To use symbols you must first load or create one or more symbol files that define the symbols Symbol files contain symbol names and their associated data values You can use symbol files created by another application edit symbol files from other applications or you can create your own symbol files using a text editor Each entry in a symbol file consists of an alphanumeric symbol name with its associated numeric value or range of values After you create a symbol file you can specify the symbol file for the appropriate channel group in the Waveform or Listing window use symbolic names as a substitute for numeric values in the Trigger and data windows and use symbols for tracing source code in a Source window Symbol files perform like look up tables For example if the address of a printer T O port is at address F734BC you can define a symbol printer port that corresponds to that value Then in the Trigger window you can specify the symbol name as an event in the trigger program and cause the module to trigger when printer port F734BC appears on the address bus You can also specify the symbolic display radix for the
255. zyer Family User Manual 3 17 Setup Setting Memory Depth Grouping Channels Glitch mode limits memory depth to half of the maximum depth and limits the sample period to 10 ns or greater for TLA7Lx Mx Nx Px Qx logic analyzer modules and TLA600 series logic analyzers and 4 ns for TLA7Axx logic analyzer modules and TLA5000 series logic analyzers However there is no trade off in channels which avoids changing probe connections Setup Hold Violation Storage Mode External Source Synchronous and Custom Clocking Mode Only Setup Hold mode captures setup and hold violations for each channel You must select External or Source Sync clocking for Setup Hold mode to be available Setup Hold mode limits memory depth to half of the maximum depth and limits the maximum synchronous speed to half its normal maximum value Blocks Mode Blocks mode stores a block of approximately 60 samples around each qualified sample In Blocks mode only channel data is stored If you store blocks they will override other forms of data qualification All samples in the block are always stored Block size is fixed in the hardware and cannot be changed Use Memory Depth to specify the total number of samples acquired by the LA module If you do not require full memory depth select a lesser value because you will have less data to search to find the data of interest For a given memory depth there is a tradeoff between the clock sample rate and data record leng

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