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User Manual 92A96 & 92C96 Acquisition Module 070

1. Channels 0 3 can be used as data channels and as external clock qualifier inputs The probe sections that are available to acquire data depend on the software support mode selected in the Config menu Table 3 8 shows which sections are available for the two primary timing modes and the general purpose mode Table 3 8 Probe Section Availability Software Support General Purpose High S peed Timing 1 ms 5 ns High S peed Timing 2 5 ns X section available Address Section Data Section EE CEE c1 Cei The Section field under the Probe column lets you select the sections of the probe that you want to include in each channel group Figure 3 3 shows an example of the list that appears when you open the Section field 92A96 amp 92C96 User Manual DA a ea N I x 3 13 Setup Menus 3 14 SCASED Channa Addrage Fa F5 F DEFAULT DEFINE DEFINE DAOUPTHS THRESHOLD CHANNELS ie E E E E Figure 3 3 The Opened Section Field Channel Menu The sections listed depend on the number of modules in a module formation To add more sections to a group move the cursor to any field in the group select function key F8 ADD and select Add Section To Group The new Section and Channel fields appear on the line below the cursor You can add a maximum of 32 sections to one group You can name the same section more than once when you want to change the relative significance
2. Range Bound1 Bound2 lt group name gt In NotIn gt lt lt nnnnnnnn nnnnnnnn Look for values on a subset of qualified input channels up to 32 that are inside or outside the specified range of word values enter the lower limit of the range in one of the two bound fields and the upper limit of the range in the other bound field For a single ended range select the operator and enter one value Group names are from the Channel menu Range is not selectable in High S peed Timing support Channel lt channel name gt is Asserted Unasserted Don t Care Look for the condition of a single channel Available channel names are those defined in the Channel menu Counter 1 2 lt lt counter value gt Look for decimal value on the selected counter from 1 to 4 294 967 295 The ID number identifies a unique hardware register thatis assigned the target counter value Timer 1 2 lt lt timer value gt Look for the specified time on the selected timer from 07 usec to 42 949 672 95 usec The ID number identifies a unique hardware register that is assigned the target timer value Flag is Set Clear Don t Care Check status of flag Signal lt signal name gt is Asserted Unasserted Don t Care Look for a signal from another module Consec Cycles Sections G roups lt group name gt channels are equal not equal Look for consecutive cycles being equal unequal on the set of active channels from al
3. 7 Continue placing the next two podlets one at a time in channel order in the podlet holder Orient all ground connectors toward the Ground side of the holder 8 The fourth podlet should be either channel 0 or 7 whichever one is not already placed in the holder Place this podlet in the other end of the podlet holder Orient the ground connector correctly 9 Continue placing the next two podlets one at a time in channel order in the podlet holder Continue orienting the ground connectors correctly 10 Grasp the clear plastic pull tab on each side of the holder and gently spread the sides of the holder open just enough to clear a podlet CAUTION Spread the holder open only wide enough to clear the podlet Excessive pulling on the sides can deform the podlet holder 11 Place the last pair of podlets channels 3 and 4 in the podlet holder in proper channel order orienting the ground connectors to the Ground side of the holder 92A96 amp 92C96 User Manual C 5 Appendix C User Service C 6 92A96 amp 92C96 User Manual Glossary 92A96 amp 92C96 User Manual 92A96 The 96 channel 8 k memory 100 MHz data acquisition module 92A96D The 96 channel 32 k memory 100 MHz data acquisition module 92A96XD The 96 channel 128 k memory 100 MHz data acquisition module 92A96SD The 96 channel 512 k memory 100 MHz data acquisition module 92A96UD The 96 channel 2 M memory 100 MHz data acquisition modu
4. Magnification Graticule 92A96 amp 92C96 User Manual m Bus Values Bus values displays the value of the channel group at each cycle A bus value trace automatically appears for each channel group You can select the bus value trace just like any trace The value radix is always hexadecimal Convergent line points indicate a transition in one or more of the channels within the group m Graticule A dot bar or asterisk character horizontal line grid can be displayed for reference purposes See Graticule on page 3 93 for details m Qualification Gaps Qualification gaps appear as gray highlighting and indicate that data samples were not stored due to storage qualification or Don t Store trigger actions See Qualified Data 3 74 for more information m F2 SPLIT DISPLAY Function key This function key calls the Split Screen Definition overlay that lets you split the display define the size and content of each window of the split display lock cursors between split displays or return to a single menu display See Split Screen Definition Overlay on page 3 111 for more information m F4 MARK DATA Function key This function key places a mark at the cursor position See User Marks on page 3 75 for more information on marking data m F5 DEFINE FORMAT Function key This function key calls the Timing Format Definition overlay Refer to the Timing Format Definition Overlay on page 3 94 for information on using the overlay m F6 DEFI
5. Display Menus Memory Domain Indicator 3 72 You can also specify a move relative to the cursor s current position by entering an offset number in the Cursor field For example m Type 100 to move the cursor forward 100 sequences in the data display m Type 100 to move the cursor backwards 100 sequences m Subsequent moves using the same offset value can be made by simply typing the appropriate sign for forward and for backward Table 3 15 summarizes the methods for moving through displayed data The n represents any whole decimal number Table 3 15 Cursor Field Operations Field Entry New Cursor Location n sequence location n n n sequences forward n n sequences backward last n sequences forward last n sequences backward end of memory 0 first sequence in memory delta mark A if one exists torT trigger position if one exists You can type a question mark in the Cursor Sequence field for information about the sequence that the cursor is positioned on The information displays along the bottom of the screen and tells you which module acquired the sample the sequence number of the sample before correlation and how far the sample is from the trigger You can use the question mark with correlated data to help you determine the offset value in the Memory Differences field of the format definition overlay of the State and Timing menus A memory domain indicator located at the top of
6. Setup Menus 34 General Purpose General Purpose support is the default operating mode It configures the 92A96 Module for 96 channels per card with 8K 92A96 32K 92A96D 128K 92A96XD 512K 92A96SD or 2M 92A96UD per channel of acquisition memory It provides asynchronous internal or synchronous external clocking from a 1 ms period 1 kHz to a 10 ns period 100 MHz selected in the Clock menu This software support is recommended for hardware or software analysis High Speed Timing High Speed Timing support configures the 92A96 Module for 48 channels per card with 2X the base acquisition memory depth at up to a 5 ns asynchronous clock period 200 MS s Or it configures the 92A96 Module for 24 channels with 4X the base acquisition memory depth at a 2 5 ns asynchro nous clock period 400 MS s This software support is especially for timing analysis See Acquisition Memory later in this section and High Speed Timing beginning on page 3 117 for more information Microprocessor Software Support Various microprocessor support packages provide custom clocking and disassembly support especially for software analysis You can install these software support packages using the Disk Services menu Refer to the individual microprocessor support user manuals for more information Software Support Considerations The Channel Clock and Trigger menus have various parameters that are affected by changing the software support mode F
7. However fewer channels are available Microprocessor Support This mode is available only if you install additional software support packages using the Disk Services menu The additional software support packages include various microprocessor support packages Refer to individual microprocessor support instruction manuals for more information on using microprocessor support software Use the Channel menu to assign input channels to desired channel groups for easier recognition and interpretation of acquired data 1 Select the Channel menu and choose the section s and channel s you want included in each channel group The default channel groups for General Purpose support are Address Data and Control 2 Assign other meaningful names to each group or use the default group and channel names You can change individual channel names using the Channel Definition overlay 92A96 amp 92C96 User Manual Operational Overview Select the Clocking Mode Select the Trigger Parameters 92A96 amp 92C96 User Manual 3 Select the display radix for data in each group 4 Change the polarity of channels that require it with the Channel Defini tion overlay 5 Define the input voltage threshold levels for the clock and data channels with the Threshold Definition overlay Use the Clock menu to select one of two basic clocking modes Internal or External A third choice Custom is selectable if an optional microprocessor applic
8. Setup Menus The External Clock menu uses clock equations to specify the values of one of the four clock channels and up to three qualification channels to determine when to sample and log data The external clock equations are evaluated as Boolean algebra expressions A sample clock can be composed of up to four clock equations each equation takes up one line Within the clock equation you can select the rising or falling edge of the clock the clock channel and the clock qualifiers Clock qualifier inputs are always ANDed with clock inputs You can use external qualifiers to selects the qualifier input you want to use Select either an active high or active low level for each input an example is Clock_0 or Clock_0 where the slash indicates an active low level You can logically combines qualifier inputs together AND or OR Brackets show that the result of the two leftmost qualifiers is evaluated That result is then ANDed or ORed with the last qualifier As a group qualifier inputs are ANDed with the clock input If you have more than one 92A96 Module in the module formation a message is displayed near the bottom of the menu The message is to remind you to connect clock and qualifier leads having the same section and channel number from each module to the same clock or qualifier test point You can restore the Clock menu to its default setup using function key F4 DEFAULT CLOCKING The default setup is the rising edge of
9. display results you can stop the acquisition by selecting function key F1 STOP When you stop the acquisition the logic analyzer does not automatically switch to a display menu Subsequent changes to the setup menus are not displayed in the current Monitor menu until a new acquisition is started The Monitor menu displays a list of all trigger states as they appear in the Trigger menu The state currently in control of the acquisition is highlighted If the Trigger program is jumping from state to state at a high rate of speed highlighting may not be seen The current values and target values of all counters and timers as they are used in the Trigger menu are also displayed The status of any flags are shown if used 92A96 amp 92C96 User Manual Setup Menus Ciuetar 2 SCASED Cleared FLETT Pier LALI fsi em hhh la ea a E oa F E E E a Figure 3 29 Monitor Menu A Memory Status indicator shows the amount of acquisition memory being used and displays a status message If the orange bar has not reached the trigger point marked by T the trigger condition has not occurred If the bar is past the T the trigger has occurred and the remainder of memory is filling unless there are qualification problems affecting data storage If the message Shows unused memory due to Early Trigger appears below the Memory Locations Unfilled field the prefill conditions were not satisfied When this occurs the left side of th
10. in the cursor field to view information about the sample that the cursor is positioned on before the data is interleaved for correlation The information displays along the bottom of the screen and tells you which module acquired the sample the sequence number of the sample before correlation and how far the sample is from the trigger You can use the question mark with correlated data to help you determine the offset value in the Memory Differences field of the State Format Definition overlay Edit Groups Function Use the Edit Groups function to edit the display radix or to reorder the display of groups in the State menu Figure 3 35 shows the fields and function keys that appear when you select Edit Groups in the State Format Definition overlay The fields above the dashed line make up the edit line Use the mouse or the scroll keys to scroll through the list of channel groups and update the informa tion in the edit line Any change made to an Order or Radix field in the edit line appears in the channel groups listed below Changes you make in the edit line do not appear in the State menu until you select function key F8 EXIT amp SAVE The line cursor identifies the channel group to edit numbering order starts at 0 For example if you enter a 2 in the Order field the remaining information for group number 2 appears and the line cursor moves to that order number The channel group names set in the Channel menu are listed under the C
11. measurement points See Delta Time on page 3 76 for details Group Value fields These fields display the value of the selected group at the cursor location Select from the groups defined in the Channel menu Acquisition Parameters When turned on the acquisition parameters show the final value of any counters and timers and the Latched Data label if data was acquired with latch mode on See Acquisition Parameters on page 3 74 for more information User Generated Marks These marks show the location of a mark A mark is labeled with a letter A M or with the A delta The delta mark can be used for delta time measurements See User Marks on page 3 75 and Delta Time on page 3 76 for details Trigger Mark The T shows where the trigger occurred in the acquired data Data Cursor The data cursor appears as a thin vertical line Trace Name Shows the name of the trace The default trace names are the channel names you assigned in the Channel Definition overlay or group derived If you change the trace name in this select field the selected trace name is displayed at this position You can also insert blanks into your timing display by choosing the blank trace item Vertical Readout The vertical readout displays the value of each trace at the cursor position either logic state 1 logic state 0 or blank unknown Turn vertical readout on or off in the Timing Format Definition overlay 92A96 amp 92C96 User Manual Display Menus
12. refer to Trigger Library Overlay on page 3 57 for information on using the Trigger Library Since the trigger position only guarantees the amount of memory filled after the trigger occurs you can encounter situations where the trigger occurs soon after acquisition begins and little or no data is acquired before the trigger position setting in acquisition memory In this case you may only fill a portion of the acquisition memory For example if you set the trigger position at 50 of acquisition memory start the acquisition and the trigger occurs almost immedi ately only half the acquisition memory is filled with post trigger data and little or no pre trigger data is acquired in acquisition memory Thus the trigger location is approximately at the lowest numbered sequence displayed Use the Trigger menu to create trigger programs that specify trigger conditions A trigger program contains states which control when a reference or trigger point is defined within the sampled data and what other related actions should occur All clauses in the active state are evaluated simultaneously during each clock cycle if any events are true all related actions are executed in the same cycle A trigger program can include one state or up to 16 linked states Each state is made up of one clause or up to eight clauses Each clause contains an event portion an If statement and an action portion a Then statement The event portion can contain one event
13. 3 3 latch mode field 3 3 module name field 3 2 module type field 3 2 3 3 software support field 3 2 conflicting actions 3 45 3 46 consec cycles events 3 35 3 36 correlated modules 3 73 3 82 Memory Differences 3 83 correlation bus defined Glossary 3 defined Glossary 3 guidelines 1 3 counter defined Glossary 3 events 3 34 3 50 resources 3 39 counting occurrences 3 52 creating symbol tables 3 107 cursor 3 92 3 101 data 3 92 3 102 positioning 3 71 sequence 3 77 custom clocking 2 9 3 26 D DAS NT defined Glossary 3 DAS XP defined Glossary 3 data sample Glossary 3 data threshold 3 18 delay counter defined Glossary 3 delete format 3 82 3 96 3 109 delete trace 3 98 delta mark defined Glossary 3 delta time 2 12 3 76 3 77 3 81 3 92 3 95 defined Glossary 3 demultiplex defined Glossary 3 detecting a sequence of events 3 53 Disassembly Format Definition overlay 3 107 address radix field 3 108 display operation field 3 109 display range 3 109 highlighting field 3 109 mode field 3 108 range of display field 3 109 register display field 3 108 scroll by field 3 108 timestamp display field 3 108 Disassembly menu 3 105 3 111 print overlay 3 110 Disassembly Print overlay 3 110 Disassembly Search Definition overlay 3 109 delete format 3 109 f
14. 5 post processing defined Glossary 5 post trigger delay 2 2 Index 3 Index power on diagnostics 1 21 1 22 pre fill defined Glossary 5 printing 2 13 Disassembly menu 3 110 setup menus 3 67 3 68 State menu 3 89 Timing menu 3 98 to a local file 3 66 to a local printer 3 67 to a network file 3 66 to a network printer 3 68 probe 8 channel replacing C 4 C 6 adapter defined Glossary 6 assembly 1 14 cables 1 4 clock replacing C 3 defined Glossary 5 sections 3 12 3 121 techniques 1 15 probe connections 1 8 3 121 8 channel probe 1 13 90 Channel Interface 1 15 1 16 90 Channel Interface pins 1 18 92A96 Module 1 11 cable brackets 1 11 channel podlets 1 8 clock probe 1 13 double probing 1 14 interface housing 1 12 KlipChip tips 1 14 labels 1 10 lead sets 1 13 1 14 removing podlets C 2 C 3 C 5 securing cables 1 11 sync out 1 21 system under test 1 13 1 17 prompt visibility field 3 27 Q qualification by state 3 49 combination 3 49 gaps 3 74 3 78 3 89 3 93 storage defined Glossary 7 qualifier lines 3 25 R radix 2 11 3 15 3 84 symbolic defined Glossary 7 radixes State menu 3 78 range events 3 33 3 34 3 50 recognizers resource limitations 3 51 symbol tables 3 17 Range Bar mode 3 104 real time con
15. 510 Logic Analyzer A self contained 100 MHz Logic Analyzer The TLA 510 Logic Analyzer operates similar to a DAS mainframe with a single 92C96 Data Acquisition Module Setups from the TLA 510 Logic Analyzer can be restored to a DAS mainframe with one or more 92C96 Data Acquisition Modules Glossary 7 Glossary Glossary 8 TLA 520 Logic Analyzer A self contained 100 MHz Logic Analyzer The TLA 520 Logic Analyzer operates similar to a DAS mainframe with two 92C96 Data Acquisition Modules Setups from the TLA 520 Logic Analyzer can be restored to a DAS mainframe with two or more 92C96 Data Acquisition Modules Trigger Determines which block of the sampled data is stored in memory It establishes a reference point in the acquired data around which pre and post trigger data points are included in the acquisition memory Trigger Event The last or only event in the sequence of events that causes a data acquisition module to trigger 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 Specification Program The highest level of triggering control A trigger specification program is composed of one or more States Unassert To cause a signal or line to change from its logic true state to its logic false state Word Recognition The matching of a specific data word with the p
16. 58 3 60 library name field 3 57 trigger mark 3 78 3 92 3 102 Trigger menu 3 26 3 40 3 122 actions 3 28 compound events and actions 3 45 default setting 3 28 events 3 28 function keys 3 28 if then clause 3 28 multiple clauses 3 44 program prompts 3 63 prompt visibility field 3 27 signals 3 42 3 43 state names 3 28 Store field 3 27 Sync Out Polarity 3 27 92A96 amp 92C96 User Manual Index trigger actions 3 28 events 3 28 position indicator 3 27 Trigger Library overlay 3 57 using libraries 3 60 trigger position 3 29 trigger position accuracy 3 122 triggering 2 1 2 9 92A96 amp 92C96 User Manual U unassert defined Glossary 8 user interfaces 1 2 user marks 3 75 3 92 3 102 V variable channel width configurations 1 3 W word events 3 33 3 49 recognition defined Glossary 8 Index 7 Index Index 8 92A96 amp 92C96 User Manual
17. 92A96 amp 92C96 User Manual Setup Menus 92A96 amp 92C96 User Manual Civatar 1 SCASED setup Titta T Tol toe ba Counter Teer ATTESI Fa DEFAULT TRIBGER A ie Gt a Fic tin ai borio ls coso me sta pisa ioni SEAT Figure 3 27 Complex Trigger Program Trigger Menu Trigger Prompts You can use prompts to add comments to a trigger program in the same manner that a programmer might add comments to a program for example to clarify or explain an entry whose meaning isn t readily apparent You can add up to 20 prompts to a trigger program There are two types of prompts that appear in trigger programs system defined and user defined After restoring a Tek library trigger program system defined prompts appear along the right side of the screen indicating areas that require you to add some type of value For example if you restored a program with two word recognizers and one counter a prompt Specify A appears on the first word recognizer line another prompt Specify B appears on the second word recognizer line and a third prompt Specify Counter Value appears on the counter event line When you enter a value for Word 1 all occurrences of Word 1 take on that value within that trigger program and so on Look at Figure 3 26 or 3 27 to see system defined prompts 3 63 Setup Menus Setup Print Overlay 3 64 To add a prompt follow this procedure 1 Position the cursor on
18. 92C96 User Manual SSS eee F lt EE Functional Overview Stage 1 Acquiring Data Stage 2 Triggering and Storage Qualification 92A96 amp 92C96 User Manual This chapter comprises of three sections m Functional Overview uses a block diagram approach to describe how the 92A96 Module acquires and stores data from a system under test m 92A96 Module Menu Overview provides brief descriptions of the menus and overlays available with the 92A96 Module m Operational Overview provides general operating instructions for using the 92A96 Module to acquire and display data from a system under test The basic operation is divided into three stages acquiring data triggering and storage qualification and storing data Refer to the functional block diagram in Figure 2 1 while reading about these basic module operations When you select function key Fl START to start an acquisition the clocking state machine connected to the system under test via the acquisition probes begins monitoring data from the channels to which it is connected Each time a sample clock occurs data is sampled Sampled data is then sent to the trigger and storage qualification functional blocks The trigger condition looks at sampled data for specific events and decides what action to take You can set up the trigger condition to look for the following data values data ranges or signals from another module You can use event data to start internal
19. Format Definition Overlay 0 00005 3 107 Disassembly Search Definition Overlay 0 00 000000 3 109 Disassembly Print Overlay 0 00 eee 3 110 Split Screen Definition Overlay 0 0 0 0 ce eee eee 3 111 High Speed Timing Support cc ccc cece cece eeeces 3 117 Setup Considerations 0 0 0 eee cee ee ee eens 3 117 Configuration Menu 3 118 Channel Menu urea eee a eee ia 3 119 Clock MENU i trairi erse praa i idle ee bad pede a ack hos 3 121 Tripper Menu corea lai 3 122 Acquisition Considerations 0 0 eee eee eee tees 3 124 Display Considerations 0 0 eee eee ccc eee eee 3 124 Setup Considerations 0 0 eee eee eee eee 3 115 Configuration Menu 3 116 Channel Men rr ia ee 3 117 Clocks Menu rr ia 3 119 Trierer Men cis ieri Oi en 3 120 Acquisition Considerations 0 0 eee eee eee eee 3 122 Display Considerations LL 3 122 92A96 amp 92C96 User Manual ili Table of Contents Glossary Index Appendix A Specifications 0 ccc cece cece eee e ee ceees A 1 Appendix B Options and Accessories 0000 B 1 Appendix C User Service ccc cece cece cece eee eeeceece C 1 Initial Inspection DAS Users Only LL C l Repacking for Shipment 3 32 0 by debe a eee ged ole os Cl Preventive Maintenance li A A NEL eae oa C 1 Removing and Replacing Podlets 00 0 0 C 2 Removi
20. Qualifier C2 0 1 2 3 Setup time 6 5 ns 2 Hold time Ons 2 Maximum transaction rate 100 MHz 10 ns ASYNCHRONOUS Channel to channel skew 2 5 ns Timing accuracy 2X the sample period 3 5 ns Pulse width guaranteed to be sampled multichannel Pulse width guaranteed to be triggered multichannel Glitch pulse width guaranteed to be sampled Max asynchronous clock rate Sample period 2 5 ns 1 General Purpose sample period 3 5 ns High Speed 5 ns or slower 2X sample period 3 5 ns High Speed 2 5 ns 4X sample period 3 5 ns 3 5 ns Istorder two edges in sample interval 96 Channels 100 MHz 10 ns 48 Channels 200 MHz 5 ns 24 Channels 400 MHz 2 5 ns Time base accuracy 100 MHz or greater 300 ps 0 05 50 MHz or less DAS 9200 mainframe specification Time Base 0 3 92A96 amp 92C96 User Manual A 3 Appendix A Specifications Table A 4 Electrical Cont Characteristic Performance Requirements Supplemental Information COUNTERS TIMERS Counter accuracy 0 counts 1 state clock for event generation Timer accuracy event generation 1 0 state clock 1 1 timer clock 0 05 Time base accuracy internal DAS mainframe specification Time Base 0 3 SYNC OUT Delay from probe tip 75 ns maximum 68 ns typical Min pulse width 8 5 ns External clock 1 5 ns Voltage range with 1 MQ load 0V 0 5 V 5V 0 5V Ou
21. Refer to the DAS System User Manual for detailed information on card placement and for information on efficient use of cooling resources Card Placement Place the modules in the card cage for even distribution of cooling resources Guidelines The general rule for placement is if there are any open slots in the mainframe try to make the slot directly below one slot lower the 92A96 Module the open slot Figure 1 1 shows the specific card placement guidelines 92A96 amp 92C96 User Manual 1 5 Getting Started Single Card Modules 1 Module 2 Modules 3 Modules 4 Modules Controller Controller Controller Controller QQ LN WH UID Ss 00 O pp N WwW HUD s QQ LN W HUH s O FE N WwW HUD Multi Card Modules Cards in Adjacent Slots 2 Card Module 3 Card Module 4 Card Module or 4 Card Module 8 7 6 5 4 3 2 1 0 O pr N WwW HUD 4 00 O pp N WwW HUH s O N WRUIUDN Controller Controller Controller Controller Figure 1 1 Card Placement Guidelines for Optimum Cooling Configuration Restrictions A specific power supply is required for certain module configurations within either the DAS Master mainframe or Expansion mainframe see Table 1 1 The following general configuration rules cannot be violated or the system shuts down m If you have four 92A96 Modules in a Master mainframe or an Expansion mainframe then you cannot have another instrument module in the same mainframe m If you h
22. State or Timing displays The search types follow m Value m Not Value m Memory Difference 92A96 amp 92C96 User Manual 2 11 Operational Overview 2 12 Creating User Marks Measuring Delta Time m Qualification Gap m Timestamp To search for specific data follow these steps 1 Select function key F6 DEFINE SEARCH to open the State or Timing Search Definition overlay 2 Select the search type in the Search for field of the State or Timing Search Definition overlay Then enter the desired search parameters For example select Value as the search type and specify the search value and range additional fill in fields appear 3 After you enter the desired search parameters select function key F8 EXIT amp SAVE This returns you to the State or Timing menu 4 To execute the search select either function key F7 SEARCH BACKWARD or F8 SEARCH FORWARD Marking data lets you keep track of the data samples that have a special significance in your application You can place a mark on individual sequences of the State menu or on any column sequence of the Timing or Graph menus Use marks to make delta time measurements or to move quickly through the data by jumping from mark to mark The display of marks can be turned on or off from the Select Options function of the State or Timing Format Definition overlays To place a mark position the cursor where you want the mark and select function key F4 MARK DATA Then cho
23. The maximum number of lines per page is 99 for ASCII format and 60 for PostScript format The minimum is 10 the default is 60 Spaces to Indent This field specifies the number of spaces the printer will indent from the left edge of the page The minimum indent setting is 0 spaces default The maximum number of indent spaces depends on the number of characters per line For example if the characters per line is set to 80 and the minimum characters per line is 64 then a maximum of 16 spaces is available for indentation New Line Characters This field specifies the hexadecimal characters four maximum to print at the end of each line The default characters are 0D 0A XX XX ASCII carriage return and new line characters The characters XX represent don t care values and are not sent to the printer The don t care values cannot be followed by character values For example the line characters OD XX OA XX are not valid If you enter a bad value into a field the field will return to its default value Any hexadecimal numbers from 01 to FF are valid 00 is not a valid number The new line character fields are not available in PostScript format 3 65 Setup Menus 3 66 Sending Data to a Local File Sending Data to a Network File New Page Characters This field specifies the hexadecimal characters ten maximum to print at the end of each page The default characters are OC ASCII form feed characters Enter the ch
24. a special timing mode and makes several changes in the Setup menus NOTE Unless specifically stated in this section all setup menu fields and parameters are identical to those in General Purpose support 3 117 High Speed Timing Support Configuration Menu Select High Speed Timing support in the Software Support field of the Config menu see Figure 3 53 Changing the software support automatically changes the Clock and Trigger menus to their default values for High Speed Timing support A message asks you to confirm your selection when you change the Software Support field High paad Timing lari Fu Se hmmm a a a CE E E bia lia Ga Figure 3 53 High Speed Timing Support Is Selected In the Config Menu Selecting High Speed Timing support changes the memory depth values in the Acquisition Memory field of the Config menu see Figure 3 53 High Speed Timing support clock settings at 5 ns or slower as selected in the Clock menu double the memory depth values while a 2 5 ns clock quadruples the memory depth The default memory depth values depend on the amount of acquisition memory available in the card the software support mode and the clock rate period in High Speed Timing support For example the selectable memory depths for an 32K 92A96 Module are summarized in Table 3 16 For informa tion on the selectable memory depths of other 92A96 Modules refer to Tables 3 2 through 3 6 on pages 3 5 through 3 9 3 1
25. counters or timers to delay triggering until the counter or timer reaches a desired value When the trigger condition is satisfied the 92A96 Module enables its post trig ger delay counter described in Stage 3 to post fill the acquisition memory before stopping acquisition The storage qualification functional block 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 sampled data drops out If the post trigger delay counter is enabled by the trigger signal its value is incrementally increased each time a data sample is qualified Refer to Using Storage Qualification on page 3 47 for detailed information 2 1 Functional Overview 1 Stage 1 Acquiring Data Triggering amp Storage Qualification SUT Data Sample Clocking Clocks Probes State Machine Stage 2 DAS 9200 Blackplane Consec Cycles Post Trig SI Signals In Trigger State Machine Next State Word Range Chan Control amp Go To State Flag Actions Ctr Tmr Actions Stage 3 Storing Data Signals Out Acquisition Memory Figure 2 1 Block Diagram of 92A96 Module Acquisition and Storage 2 2 Stage 3 Storing Data The acquisition memory works like a first in first out FIFO buffer storing every qualified
26. each display menu shows which part of acquisition or reference memory is currently displayed on the screen Figure 3 30 shows the top of a display menu with an example of the Memory Domain Indicator field The data on the screen may represent only a fraction of the total acquisition memory using the State menu or it may represent an entire acquisition using a horizontal magnification of 1 in the Timing menu 92A96 amp 92C96 User Manual Display Menus Correlated Modules Data Display 92A96 amp 92C96 User Manual Ramon zes imo Display Figure 3 30 The Memory Domain Indicator field State Menu The size of the domain window tells you approximately what portion of the total data you see In the Timing and Graph menus the window size changes as you change the magnification Mag value The position of the domain window tells you approximately where you are in the acquisition memory It shifts as you scroll through data A T is displayed in the Memory Domain Indicator field to show the location of the trigger event Its position reflects your choice of trigger positions in the Trigger menu In a module cluster the data from all time correlated modules are displayed in a single window Also the State and Timing menus allow you to suppress the display of data from selected correlated modules Refer to Module Suppression on page 3 82 for instructions on how to suppress the display of correlated module data Displays containi
27. find a specific data word inside or outside the specified range of word values The default value for a range is all zeros for single ended 0000 and zeros and ones for double ended 0000 and FFFE Xs are not allowed in range group fields The group name used is from the Channel menu When the group radix defined in the Channel menu is a range symbol table double ended range events In and Not In operators use both the upper and lower bounds specified for the symbol in the symbol table Single ended range events gt 2 lt lt operators only use the lower bound value specified for the symbol No offset value field is displayed for either double or single ended range events Pattern symbol table files cannot be used with range events Range events use hexadecimal input radixes for groups assigned pattern symbol tables in the Channel menu For more information refer to Input Radix page 3 15 Range events are monitored only on qualified channel groups The following qualification criteria must be met m The group must have one or more active channels in it m The group radix must not be Off m All channels in the group must be from the same 92A96 card 3 33 Setup Menus 3 34 m All channels in the group must be either from all Data sections D3 D0 or from all Address sections A3 A0 You can t have a group that has some channels from Address sections and some from Data sections You can t apply a range eve
28. frequently use a certain value as a test vector but the value is too long to memorize you can enter the value in a symbol table and give it a symbolic name You can then call that value by name when you need it Threshold Definition Use the Threshold Definition overlay to select the voltage thresholds for the Overlay clock and data channels for each 92A96 Module in a multicard module forma tion Figure 3 5 shows an example of the Threshold Definition overlay SCASED 1 setup THRESHOLD DEFINITION 1 5H 1 50V PRIHI Hola FEHU Figure 3 5 Threshold Definition Overlay with the Clock Threshold Field Open 92A96 amp 92C96 User Manual 3 17 Setup Menus 3 18 The Threshold Definition overlay has the following fields and features m Clock Threshold field The Clock Threshold field sets the threshold voltage for all clock channels in the module In General Purpose mode the default value is always TTL in other software support modes the default value depends on the software support package Other threshold selections are ECL CMOS or VAR Data Threshold field The Data Threshold field sets the threshold voltage for the data channels of the 92A96 Module in the specified slot In General Purpose mode the default value is always TTL in other software support modes the default value depends on the software support package Other threshold selections are ECL CMOS or VAR When using multiple module formations set the data
29. gives you a finer alignment than just using the beginning of an acquisition or the trigger position A positive number is compared against later samples in the compare source A negative number is compared against earlier samples in the compare source For more information about how to calculate the offset for memory differences between correlated modules refer to the description on Memory Differences on page 3 83 m Mask File The Mask File field lets you select a mask file to use during a comparison A blank field indicates that the comparison between the selected module and the reference memory will not use a mask file Presently mask files are created on a host computer and downloaded to the logic analyzer m F2 REMOVE MARKS Function key Use this function key to remove all user marks in the current active data window Marks are associated with the display source rather than with a display type if you remove the marks in one display they are removed from all displays of that data in the same window Marks cannot be restored using function key Fl ESC amp CANCEL 92A96 amp 92C96 User Manual 3 81 Display Menus 3 82 m F5 RESTORE FORMAT Function key This function key displays a list of saved State display format files to restore To select and load a previously saved format file select function key FS RESTORE FORMAT and select the saved format from the list The selections for both State format functions Edit Groups and Sel
30. key This function key starts acquisition for the module or cluster The function key legend also contains the name of the module or cluster The key changes to STOP once the module starts acquiring data Function key F1 STOP stops acquisition The number of acquisition channels available for the 92A96 Modules depends on the acquisition rate of the module and on the number of modules in a multi mod ule formation DAS systems can have up to three modules in a multi module formation The TLA 520 Logic Analyzer has two 92A96 Modules while the TLA 510 Logic Analyzer has only one 92A96 Module Table 3 1 summarizes the maximum number of channels Table 3 1 Module Type Channel Count Channels in High Channels in High Number Channels in Speed with gt 5 ns Speed with 2 5 ns of Cards General Purpose Clock Period Clock Period 1 96 48 24 2 192 96 48 3 288 144 72 For example the default value of Module type field at power on is 92A96 96 channels at 100 MHz for a single 92A96 Module it powers up in General Purpose software support Selecting High Speed Timing software support enables internal clock selections of 5 ns and 2 5 ns The Software Support field lets you configure the 92A96 Module into one of three logic analyzer modes General Purpose High Speed Timing or micropro cessor General Purpose and High Speed Timing support are both standard while microprocessor application software support packages are optional
31. make excellent templates to build other trigger programs Trigger Program Examples State based triggering is an excellent mechanism for tracking and analyzing complex real life problems encountered in both hardware and software analysis Use the Trigger menu to create a state machine oriented program process algorithm to solve your logic analysis problem The trigger programs on pages 3 53 through 3 56 show some programming techniques for common applications Figure 3 20 shows a trigger program that counts the number of times event C Word 3 occurs between the first recognition of event A Word 1 and the first recognition of event B Word 2 The recognition of event B causes a trigger and a transition to a trigger state that does nothing but wait for the acquisition memory to fill with post trigger data If necessary scroll to see the entire trigger program The Specify comments remind you to enter a word value 92A96 amp 92C96 User Manual Setup Menus Trigger x I EER recon arerthing Da Knthing ra Pi DEFAULT LE afi TRIGGER Peja vate HEE bile ELLI Figure 3 20 Counting Occurrences Figure 3 21 shows a trigger program that triggers when event B Word 2 occurs after event A Word 1 and within time T of the occurrence of event A If the time between event A and event B is greater than time T a trigger will not occur 92A96 amp 92C96 User Manual 3 53 Setup Menus SCASED Setup C
32. menu gives a graphic overview of the data for one or two channel groups Each data sample value is plotted against its location in acquisition memory 24 92A96 amp 92C96 User Manual 92A96 Module Menu Overview Overlays Monitor Menu 92A96 amp 92C96 User Manual Disassembly Menu The disassembly menu shows translated logic input for system under test operations and control General Purpose disassembly support is provided but microprocessor specific support is available with custom setups for clocking triggering channel grouping and display Refer to the microproces sor specific Disassembly menus in their respective user manuals for their operating information Some menus have function overlays associated with them Overlays are actually submenus that you can use to control relevant parameters without leaving the current menu When an acquisition is not completed within a few seconds the Monitor menu appears It contains information that describes the current state of the module during acquisition This kind of information can be used to debug trigger programs For example if a trigger program contains a loop so that it never triggers this menu can help you see the internal loop occurring 92A96 Module Menu Overview 2 6 92A96 amp 92C96 User Manual lr r mr ggt Operational Overview This section takes you through a typical start up operating cycle for the 92A96 Module It describes some ways that you can m
33. module acquisition rate Software Support field This field specifies the software support mode for the module This field has two selections when no microprocessor software support is installed General Purpose and High Speed Timing these modes are described following the function key description Any compatible custom software application packages installed on the hard disk are also listed under this field Acquisition Memory field This field specifies the default memory depth The selections available depend on the memory depth of the 92A96 Module the software support mode selected and whether you have a multicard module formation 92A96 amp 92C96 User Manual Setup Menus Module Type Channel Count Software Support 92A96 amp 92C96 User Manual m Latch Mode field Enables or disables the capture of glitches described later Off is the default condition Latch mode On only works with internal clocking a label reminds you m Module Input and Output Signals Lists the input signals and output signals up to two each for triggering defined for the module in the Signal Definition overlay under the system Cluster Setup menu The Sync Out signal output signal is always available in addition to the two output signals It is applied to the SMB connector on the 92A96 Module For more information on using the Sync Out signal refer to Intermodule Signals on page 3 42 and to P6041 Probe on page 1 21 m F1 START Function
34. of fields and screen lines required to display the largest theoretical trigger program is very large In practice the Trigger menu places a limit on the size of the trigger program that can be created This limit is based on the number of fields required to display the program Although this limitation makes it impossible to define the largest theoretical trigger program it is easily possible to accommodate any realistic trigger program An error message to that effect displays when you reach the limit The Trigger menu offers flexible and powerful programming capabilities that can result in complex trigger programs You can create trigger programs that are sophisticated enough to require debugging much like what s required with any advanced programming language There are programming tools available with the 92A96 Module that can help you create effective trigger programs the Monitor menu and the Trigger Library overlay described on page 3 57 The Monitor menu is useful as a trigger program debugging tool From this menu you can view the current status of various resources of the 92A96 Module during acquisition However be aware that rapid changes in trigger state counter values timer values and the flag value cannot be accurately displayed in real time in the Monitor menu You can use the Trigger Library overlay to look at actual trigger programs that perform specific advanced triggering functions The trigger programs in the library
35. original Trigger menu without loading a trigger program from the library Function key F5 RESTORE ITEM replaces the current trigger program setup in the Trigger menu with the trigger program the cursor is on Function key F7 ADD NEW ITEM adds a new library Figure 3 25 shows an example of a new user defined library Note that the user defined library has two additional function keys that the system defined library does not have 92A96 amp 92C96 User Manual 3 57 Setup Menus Trigger Library Msuni ug Trigger on A folloued by B within tima T PRIHI Hihi FEHU Figure 3 24 Library Overlay The function keys for the user defined library differ from the standard library as described below m In addition to closing the library overlay without loading a trigger program from the library function key F1 ESCAPE amp CANCEL deletes any recently added user defined library programs and restores library programs that you have deleted since entering the current user defined library However if you remove an entire user library and select F1 the deleted user library is not restored to the Library overlay If you remove an item from a library go to another library and then select function key F1 the item is not restored to the first library m Function key F4 REPLACE ITEM overwrites the trigger library program that the cursor is positioned on with the trigger program currently loaded in the Trigger menu This operation is appl
36. recognizer resource Therefore unique word and channel events can be specified up to the eight recognizer hardware limit thus ID numbers 1 through 8 3 49 Setup Menus 3 50 Event E vent Resources Trigger Menu Trigger Menu Word Event Range Event Channel Event Counter Timers Recognizer Resources Counter Event 7 1 2 TimerEvent lt lt Flag Recognizer Resources Flag Event St Signal Recognizer Resources Ign ven Consec Cycles Recognizer Resources Ca Anything Event Figure 3 19 Trigger Menu Event Resource Allocations Range events can only use up to four of the eight recognizer resources Each unique single ended range event uses one recognizer resource Each unique double ended range event uses two recognizer resources Therefore you can only specify up to four single ended or two double ended range events Counter and timer events must each use one of the two available counter timer recognizer resources The trigger location is always within the last 128 Kbytes of the acquisition memory If you want to store more samples before or after the trigger than the defined selection allows you can define one or more counters in the trigger program to delay the actual trigger by the desired number of sample cycles Use one of the Trigger Library selections such as Trigger on Anything with Extended Postfill to store more samples after an event is recognized refer to Tri
37. select a horizontal split or function key F6 SPLIT VERT to select a vertical split When you select either of these keys a new field is added to the overlay that lets you adjust the size of each window Finally select function key F8 EXIT amp SAVE to view the selected menu s Readjusting Setup Parameters 2 14 After you review the acquired data you may want to look at your system under test in a different way Go back to one or more of the Setup menus and change the setup parameters necessary to give you a new data perspective For example you may want to include additional bus signals in a particular channel group In this case go back to the Channel menu and add the new channels to the desired channel group When you select function key F1 START to make another acquisition your new settings take effect 92A96 amp 92C96 User Manual Setup Menus Configuration Menu 92A96 amp 92C96 User Manual This chapter comprises of the following sections m Setup Menus describes the setup menus and overlays available with the 92A96 Module m Display Menus describes the display menus and overlays available with the 92A96 Module m High Speed Timing Support describes the additional features of the setup and display menus while using the High Speed Timing support This section describes the 91A96 Setup menus and overlays in detail For specific information on the fields of the menus or overlays use the on line notes system Tha
38. select one of these function keys Use the mouse or Press one of the Adjust function keys F3 or F4 to adjust the space given to each window in either vertical or horizontal split m F2 LOCK CURSORS Function key This function key causes the data cursors in each window to follow each other on a sequence by sequence basis Scrolling 10 sequence numbers in one window causes you to scroll 10 sequence numbers in the other window Function key F2 UNLOCK CURSORS takes you out of the locked cursor mode m F7 UNSPLIT DISPLAY Function key This function key removes the field that lets you adjust the space given to each window If you exit the overlay when no split adjust field is shown you will return to the active window in an unsplit display Figure 3 51 shows a vertically split display The position of the dividing line depends on how you split the screen 92A96 amp 92C96 User Manual 3 113 Display Menus DAS Meman Fo F3 Ra F5 FE F7 FB SPLIT MARK DEFIME DEFIRE SEARCH SEARCH DISPLAY YI i DATA FORAT SEARCH BACENARD FORWARD j x i 7 ESS FEEN L 4 a l Li Peat Liana LIEH kar Ga ua di fa E E E wat Figure 3 51 Vertically Split Display Split Screen Display Sizes The total display area is 80 columns wide and 26 rows deep The default vertical split is 40 columns for the left half and 39 columns for the right half 40 39 Each half can have as few as 20 columns 20 59 The default horizontal split is 13 row
39. selectable memory depths for a 92A96 Module with 8K per channel of memory Table 3 2 Memory Depth Selections for 8K Modules Operating Mode Clock Rate General Purpose High Speed Timing 1ms 10ns 1ms 5ns 2 5 ns 8192 16 394 32 768 4096 8192 16 384 2048 4096 8192 1024 2048 4096 512 1024 2048 256 512 1024 128 256 512 64 128 256 64 128 64 Setup Menus Table 3 3 shows the selectable memory depths for a 92A96D Module with 32K per channel of memory Table 3 3 Memory Depth Selections for 32K Modules Operating Mode Clock Rate General Purpose High Speed Timing 1msto 10 ns 1ms 5ns 2 5 ns 32 768 65 536 131 072 16 384 32 768 65 536 8192 16 384 32 768 4096 8192 16 384 2048 4096 8192 1024 2048 4096 512 1024 2048 256 512 1024 128 256 512 64 128 256 64 128 64 3 6 92A96 amp 92C96 User Manual Setup Menus Table 3 4 shows the selectable memory depths for a 92A96XD Module with 128K per channel of memory Table 3 4 Memory Depth Selections for 128K Modules Operating Mode Clock Rate General Purpose High Speed Timing 1ms to 10 ns 1ms 5ns 2 5 ns 131 072 262 144 524 288 65 536 131 072 262 144 32 768 65 536 131 072 16 384 32 768 65 536 8192 16 384 32 768 4096 8192 16 384 2048 4096 8192 1024 2048 4096 512 1024 2048 256 512 1024 128 256 512 64 128 256 64 128 64 92A96 amp 92C96 User Manual Setup Menus Table 3 5 shows the selectable m
40. the 92A96 Module NOTE It is important to connect the probe cables to the 92A96 Module in a specific color sequence and orientation to avoid miskeying them The sequence is gray blue green and orange At the same time make sure the key for each cable connector is pointed down toward the baseplate of the mainframe After you connect the probe cables to the 92A96 Module use the provided bracket clamps to hold the probe cables in place this ensures that the cables are properly connected and helps reduce the wear on the probe cable connectors To mount the bracket clamp refer to Figure 1 2 on page 1 9 and take the following steps 1 Find the two screw holes just above the opening the probe cables go into 2 Place the bracket clamp over the two probe cable connectors 3 Use a 1 Phillips screwdriver to mount the bracket two screws are provided with the bracket 1 11 Getting Started 92A96 Probe Locational Label Probe C Blue Probe A Orange HH EBEGE TERMINAL PESI OE 900 S
41. the acquisition memory Cluster A group of modules started and stopped as a unit Use the system Config menu to create clusters 92A96 amp 92C96 User Manual Glossary 92A96 amp 92C96 User Manual Compound Action Two or more simple actions executed simultaneously Compound Event A Boolean combination of two or more simple events Correlation The tracking of independent events captured by different acquisition modules and indicating how they relate to each other in time Specifically the chronolog ical interleaving of data from different acquisition modules into a single display Shows real time interactions between independently clocked circuits Correlation Bus Passes signals for time correlation between acquisition modules Counter A circuit or device that records occurrences of some specified input DAS NT The networked version of the Digital Analysis System The system operation is controlled by a workstation on a network DAS XP The stand alone version of the Digital Analysis System The system operation is controlled by an X terminal 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 In asynchronous mode data is sampled at an internal clock rate selected by the user In synchronous mode data is sampled at a rate determined by an external system clock Delay Counter Determines the number of data samples stored in
42. the acquisition memory after the trigger occurs You select a trigger position and when the post trig ger delay counter reaches the value for that position the acquisition ends Delta Mark A user placed mark appears as a triangular delta symbol on a timing diagram display that can be used as either the start point or end point of a delta time measurement Delta Time The time difference between two points in memory For example the difference between a trigger point and the data cursor in a timing diagram display 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 Glossary 3 Glossary Glossary 4 Don t Care A symbol X used in place of a numeric character to indicate that the value of a channel or character is not to be considered Edge A signal transition from low to high or high to low Event Filter A trigger specification feature that lets you specify the amount of time an event must be present in order to be considered true External Clock A clock external to the logic analyzer and usually synchronous with the system under test External Clocking A clock mode in which the sampling of input logic signals is synchronized with the activity of the system under test The representation of the signals is stored in memory by what is commonly called the exte
43. the line you want the prompt to appear on 2 Select function key F8 ADD and select Add Prompt A line appears that reads Enter prompt text 3 Enter any alphanumeric description up to 32 characters To change an existing prompt the line that appears on the screen will say Enter new prompt text here Use the Setup Print overlay see Figure 3 28 to print data from the setup menus You can direct output ASCII equivalent of the menu to a printer connected to the RS 232C Auxiliary port or to a file On a network you can send the data to a network file or to a network printer with a TCP IP compatible lpr spooler If you print to a local file you can use the Disk Services menu to access the file in the Print Output directory To print data to a network file include the internet address or host name user name and path name in the supplied fields ZADE SETUP PAINT Printer Sat tt ge Ra 232 Aue iary Port File Gost if ica tian nt in Reading Over lays Internet idj User Pridte Mana p Fa F5 FE DEF LIT PRINT PRINT SETTIMGS SETUPS TRIGGER PRAT HOES arcani nc Figure 3 28 Setup Print Overlay 92A96 amp 92C96 User Manual Setup Menus 92A96 amp 92C96 User Manual Refer to Printer and Hardcopy General Use in your DAS or TLA 500 series logic analyzer user manual for information on working with ASCII or PostScript files Refer to the Capturing and Printing Menus in the same manual for information on
44. undefined states and is ignored Set Flag Sets the flag for later reference Clear Flag Clears the flag previously set by the Set Flag action Assert Signal lt signal name gt Unassert Signal Assert forces the signal to a true condition The default signal is Module Sync Out You can also select any output signal you have set up in the Signal Definition overlay in the Cluster Setup menu for this module The signal remains asserted until you unassert it lt signal name gt Unassert forces the signal to a false condition The default signal is Module Sync Out You can also select any output signal you have set up in the Signal Definition overlay in the Cluster Setup menu for this module The signal remains unasserted until you assert it 3 37 Setup Menus Table 3 14 Actions Available in the Action Field Cont Action Type Associated Fields and Description Pulse Signal lt signal name gt Pulse asserts the output signal for one cycle or 10 ns whichever is longer and then unasserts it until another pulse signal action is executed However execution of this action on consecutive cycles causes the signal to remain continuously asserted until there is a cycle in which this action is not performed The default signal is Module Sync Out You can also select any output signal you have set up in the Signal Definition overlay in the Cluster Setup menu for this module Store no associated fields Stores the data sample
45. 18 92A96 amp 92C96 User Manual High Speed Timing Support Channel Menu 92A96 amp 92C96 User Manual Table 3 16 Memory Depths for 32K Modules Number of Stored Acquisition Cycles selectable General Purpose High Speed Timing 1ms 10ns 1ms 5ns 2 5 ns 32768 65536 131072 16384 32768 65536 8192 16384 32768 4096 8192 16384 2048 4096 8192 1024 2048 4096 512 1024 2048 256 512 1024 128 256 512 64 128 256 Unlike the General Purpose Support Latch mode is not available in High Speed Timing support Notice that the Latch Mode field is not present in the menu Selecting High Speed Timing support changes the number of acquisition channels available The channel menu shows which channels are unavailable by labeling them as unused channels These channels will not be displayed in the Trigger and display menus When you select a clock rate of 5 ns or slower in High Speed Timing support the unused channels are displayed as Unused in HS Timing If you select the 2 5 ns clock rate the unused channels are displayed as Unused at 2 5 ns These labels are removed when you leave High Speed Timing support Figures 3 54 and 3 55 show examples of the Channel menu in High Speed Timing support The Channel menu lets you move between the General Purpose and High Speed Timing support without destroying their respective channel setups 3 119 High Speed Timing Support SCASED Channa F F5 FE DEFAULT
46. 19 Getting Started 1 20 Table 1 3 92A96 90 Channel Interface Pin Assignments Cont 92A96 Channel Name 90 Channel Interface DIN Connector 92A90 Channel Name D2 3 B5 D2 3 D2 2 C6 D2 2 D21 A5 D2 1 D2 0 C5 D2 0 D17 C23 D1 7 DI 6 C22 D1 6 D1 5 C21 D1 5 DI 4 A20 D1 4 D1 3 A23 D1 3 D1 2 A21 D1 2 D11 B24 D1 1 D10 C24 D1 0 D07 C28 D0 7 DO_6 B27 D0 6 DO 5 A29 D0 5 DO 4 A27 DO 4 DO 3 C29 D0 3 DO 2 C30 D0 2 DO 1 B29 D0 1 DO 0 A28 D0 0 C37 B9 C1 8 C36 A8 C1 7 C35 A6 C1 6 C3 3 B8 C1 5 C3 2 A7 C1 4 C31 C9 C1 3 C27 C8 C1 2 C2 6 C7 C1 1 C25 B7 C1 0 C13 A10 C0 8 C12 A25 C0 7 C11 C26 C0 6 92A96 amp 92C96 User Manual Getting Started P6041 Probe Ground Strap Functional Check 92A96 amp 92C96 User Manual Table 1 3 92A96 90 Channel Interface Pin Assignments Cont 90 Channel Interface 92A96 Channel Name DIN Connector 92A90 Channel Name C0_7 A26 C0 5 C0 6 B26 C0 4 C17 nc spare C16 nc Spare C15 nc Spare B20 10V B4 GND B10 GND B16 GND B22 GND B28 GND In addition to data acquisition probes a P6041 Sync Out cable is included with every mainframe The P6041 offers a female SMB connector to connect to the 92A96 Module J900 male connector see Figure 1 5 for the location of J900 and a male BNC to connect to an external device The Sync Out cable lets you send a signal called the 92A96 Module Sync Out S
47. 232C Auxiliary Port use the Communications menu to make sure that the transmission baud rate and handshaking protocol matches that of your printer 2 Select the output format of the file in the Output Format field 3 Define the printer settings 4 Select either the F5 or the F6 function key to print Printing begins when all data has been prepared by the logic analyzer The print data starts with two header lines containing the current date module type user comments and page number 5 To stop printing select the STOP PRINT key use the key that was used to start printing Selecting the STOP PRINT key aborts the entire print request no data is printed NOTE The logic analyzer cannot communicate with the printer and therefore will not give any warning or error messages if the print sequence cannot be completed Because the logic analyzer does not communicate with the printer directly it can appear to hang up when the printer detects a problem For example if the printer runs out of paper while printing the logic analyzer cannot detect this and will not respond to the STOP PRINT keys until you turn off the printer A similar situation is when the printer is either turned off or is off line when you select the F5 or F6 function keys to start a print operation The logic analyzer can appear to hang and not respond to the STOP PRINT keys unless you turn on the printer and set it to on line 3 67 Setup Menus Prin
48. 25 User Defined Trigger Library Overlay 92A96 amp 92C96 User Manual 3 59 Setup Menus 3 60 Using Programs From the Library The system or user defined trigger programs can offer simple or complex trigger setups To use one of the trigger programs follow this procedure 1 Enter the Library overlay 2 Select the appropriate library Tek or user defined A list of trigger programs appears on the screen unless the library is newly defined and does not contain any trigger programs 3 Position the cursor on the appropriate program and select function key F5 RESTORE ITEM 4 After the trigger program is restored to the Trigger menu select function key F8 EXIT amp SAVE The first State of the selected trigger program is displayed and on screen prompts show you where to enter the necessary values for your setup such as Address Data and Control group values for each word or event a Counter value N a Time value T Saving Programs in the Library You can save any number of trigger programs to a user defined library however you cannot add or delete programs in the Tek trigger library To save custom trigger programs you must first create a library In general if you want to save a specific trigger setup use the Save Restore utility menu to save your setup If you want to define a more general but commonly used template for trigger programs store the trigger program in your user defined trigger library There are
49. 8030 XX Cable Label blue 4 334 8244 XX Cable Label green 4 334 8245 XX Cable Label gray 4 334 8246 XX Cable Label orange 4 334 8247 XX Channel Grouping Label blue 1 334 8248 XX Channel Grouping Label green 1 334 8249 XX Channel Grouping Label gray 1 334 8250 XX Channel Grouping Label orange 1 334 8251 XX 92A96 amp 92C96 Module User Manual 1 070 9185 XX Slot Ident Labe 1 334 8029 XX B 1 Appendix B Options and Accessories Table B 3 Standard Accessories for the 90 Channel Microprocessor Interface Description Quantity Part Number Probe Adapter Latch 105 1034 XX Power Cable 174 2348 XX Table B 4 92C96 Module and 92A96UD Module Options Option Description 1D Deletes Podlets and Probe Accessories 2D Deletes Probe Accessories 1P Add Six 8 Channel Lead Sets 72 KlipChip Adapters and 12 1 Channel Lead Sets 45 Substitute Four Coaxial Cables for Four Ribbon Cables Table B 5 Standard Accessories for the 92C96 Module and 92A96UD Module Description Quantity Part Number Probe Set 100 P odlets 1 010 0492 XX 92C96 Probe Cable 4 174 2117 XX Single Channel Clock Lead Set 12 196 3347 XX 8 Channel Data Lead Set 6 012 1424 XX Cable Bracket and Screws 2 407 4096 XX KlipChip Adapters 72 206 0364 XX Cable Label blue 4 334 8244 XX Cable Label green 4 334 8245 XX Cable Label gray 4 334 8246 XX Cable Label orange 4 334 8247 XX Channel Grouping Label blue 1 334 8248 XX Channel Gr
50. 92 timer defined Glossary 7 events 3 34 3 50 resources 3 39 timestamp 1 5 2 13 3 78 3 79 defined Glossary 7 maximum value 3 86 radix 3 84 search 3 85 3 87 timing display defined Glossary 7 Timing Format Definition overlay 3 94 add trace 3 98 alternate group display 3 95 channel group 3 96 name 3 97 source 3 97 delete format 3 96 Index 5 Index delete trace 3 98 delta time 3 95 edit line 3 96 Edit Traces 3 96 3 114 function 3 95 function keys 3 97 memory differences 3 95 next trace 3 97 removing marks 3 96 restore format 3 96 save format 3 96 Select Options 3 94 Timing menu 2 10 3 91 3 100 3 124 bus value 3 93 clock mode 3 92 cursor sequence 3 92 data cursor 3 92 delta time 3 92 Format Definition overlay 3 94 function keys 3 93 graticule 3 93 group value 3 92 magnification 3 91 3 93 memory domain indicator 3 92 qualification gaps 3 93 search backward 3 93 Search Definition overlay 3 98 search forward 3 93 split display 3 93 Timing Print overlay 3 98 trace name 3 92 trigger mark 3 92 user mark 3 92 vertical readout 3 92 Timing Print overlay 3 98 paper width 3 99 printer format 3 99 skip perforations 3 100 traces to print 3 99 Timing Search Definition overlay 3 98 TLA 510 defined Glossary 7 TLA 520 defined
51. 96 amp 92C96 User Manual 3 121 High Speed Timing Support LT ed Lait a ee mie a a a E E ee ee Figure 3 56 Clock Menu With Internal Clock Periods in High Speed Timing Support Trigger Menu The Trigger menu is heavily affected by the other setup menus For example the Channel menu determines the group names and channel widths which are used in some trigger events Also High Speed Timing support changes the Trigger menu Also changing the Software Support selection in the Config menu resets the Trigger menu to its default settings Trigger Position Field The Trigger Position field serves the same purpose in High Speed Timing support as in the General Purpose support However in the High Speed Timing support the accuracy of the trigger position varies At a 5 ns period the trigger position accuracy is 1 sample at 2 5 ns the accuracy is 3 samples while in General Purpose or microprocessor support the trigger position accuracy is 0 samples The maximum value of the Defined Trigger field depends on the current memory depth as selected in the Acquisition Memory field in the Config menu refer to Table 3 16 on page 3 119 Changing the memory depth in the Config menu resets the Defined Trigger field if the defined trigger value is larger than the new acquisition depth 3 122 92A96 amp 92C96 User Manual High Speed Timing Support 92A96 amp 92C96 User Manual Trigger Events The resource widths of the tr
52. Clock_3 This function key is only available in External clock mode Function key F7 DELETE CLK LINE deletes the clock line containing the cursor from the clock equation If you delete the first only clock line equa tion the 92A96 defaults to the rising edge of Clock_3 Function key F8 ADD CLK LINE adds a clock line to the clock equation below the line containing the cursor You can have a maximum of four clock lines External clocking synchronizes data sampling with the operation of the system under test and allows you to be more selective about the data you sample Clock Lines The 92A96 Probes provide four edge sensitive clock lines Clock_0 Clock_1 Clock_2 and Clock_3 that you can connect to any signal point on the system under test Two clock source examples are listed below m To clock a data acquisition using an address strobe signal connect the Clock_3 lead to the address strobe pin then specify External clocking using Clock_3 Select the proper clock edge to sample data when it is valid 3 24 92A96 amp 92C96 User Manual Setup Menus 92A96 amp 92C96 User Manual m To acquire data during each phase of a two phase clock system connect the Clock_3 lead to one phase clock pin the Clock_2 lead to the other phase clock pin and then select External clocking using Clock_3 ORed with Clock_2 Select the proper clock edges to sample data when it is valid If either clock line 3 or clock line 2 is asserted then the samp
53. DEFTHE DEFTRE OROUPTMG THRESHOLD CHANNELS Figure 3 54 Channel Menu with 5 ns Clock Selected SCASED 1 Setup Channa Ju e ool t a e Fp Ra Fa FE FE F DEFAULT DEFTHE EFIKE DELETE QROUPTNG THRESHOLD CHANNELS Figure 3 55 Channel Menu with 2 5 ns Clock Selected 3 120 92A96 amp 92C96 User Manual High Speed Timing Support High Speed Timing support affects which probe sections eight channels each are usable This may require you to reconfigure your probe connections or to change channel groups Table 3 17 shows which probe sections are available for use in the three different operating modes Table 3 17 Probe Selection Availability Address Selection Data Selection Control Selection as ae an ao os pe pi o cs ce cr peo o xx fee abbi 1 si x Software Support General Purpose High S peed Timing 1 ms 5 ns High S peed Timing 2 5 ns X section available Clock Menu When you select High Speed Timing support the 92A96 Module only supports internal clocking You can select clock periods from 1 ms to 2 5 ns 5 ns and 2 5 ns are unselectable in General Purpose support When you select the 2 5 ns clock period channel width and the acquisition memory depth change A message displays to inform you that additional channels become unused when you select the 2 5 ns clock period Figure 3 56 shows the clock menu with the available clock periods in the clock period field 92A
54. ELETE GROUP to delete the group associated with the current position of the line cursor from the display listing The deleted group still exists in the list of all possible groups All groups move up one position in the order The State menu does not update until you press F8 EXIT amp SAVE Use function key F4 ADD GROUP to display a list of default groups from which you can select a group to add to the current group listing The list can contain a maximum of 50 groups The same group can be added to the list more than once To add a group position the line cursor on the group where the next group will be added select function key F4 ADD GROUP and select the desired group All groups after the cursor are moved down one position and the selected group is added after the cursor State Search Definition Use the State Search Definition overlay to search the State menu for selected Overlay parameters When you define a state search each search type has its own menu functions and associated fields The search types are m Timestamp m Memory Difference m Value m Qualification Gap m Not Value Examples of search type menus are shown in Figures 3 36 and 3 37 Timestamp and Value respectively along with a description of their operations The remaining search types are described after the Timestamp and Value types NOTE Searches in correlated data sets apply to the main module the card selected in the Module field of the Menu Selection o
55. ETTINGS prints the Setup Print overlay settings including the Output Specification fields entries To send data to a local file set the Send Output To field to File and specify a file name the default name is output After selecting a file name you can specify the output format of the file as ASCII or PostScript Select either the F5 or F6 function keys to send the data to a file that will be saved in the Print_Out put directory You can then transfer the file to a host computer for future manipulation To send data to a network file perform the following steps 1 Set the Send Output To field to Network File rcp and specify a file name the default name is output Select the output format of the file in the Output Format field Enter the internet address of the remote host in the Internet Addrs field or the name of remote host in the Name field 92A96 amp 92C96 User Manual Setup Menus Printing a Menu to a Local Printer 92A96 amp 92C96 User Manual 4 Enter the name of the user in the User field 5 If desired enter the path in the Remote Path field 6 Select either the FS or F6 function keys to send the data to a file on the network host To print data to a printer connected to the Auxiliary port of the mainframe perform the following steps 1 Select RS 232 Auxiliary Port in the Send Output To field NOTE If you direct the output to a printer connected to the RS
56. Figure 3 50 Split Screen Definition Overlay The Split Screen Definition overlay has the following fields and features m Active Window label This label shows the active window of the display If you exit the overlay to a split display you can scroll the data in the active window If you exit the overlay to a display that is not split the display will show the last Active window 92A96 amp 92C96 User Manual Display Menus m Scroll Arrows When arrows appear at the top or bottom of the Module column there are more modules or reference memories available off the screen use the mouse or the cursor movement keys to scroll to the selections off the display m Module and Display Columns Each window has its own set of Module and Display columns Use the module columns to select the module cluster or reference memory from which you want to display data in each window For correlated data sets all modules are listed under the refmem or cluster name You can select which of these will be the main module since most opera tions apply only to the main module like searches in the Module or Refmem field of this overlay Use the Display column to select the State Timing or Disassembly display for each window m Split Indicator This indicator shows where the split falls Select function key F5 SPLIT HORIZ to split the display horizontally or function key F6 SPLIT VERT to split the display vertically the indicator appears after you
57. Glossary 8 trigger accuracy 3 124 action choosing 3 37 3 38 evaluation 3 38 types 3 37 3 38 anything event 3 36 channel event 3 34 clauses 3 31 compound events and actions 3 45 conflicting actions 3 45 3 46 consec cycles event 3 35 3 36 counter action 3 39 event 3 34 resource 3 39 defined Glossary 8 event defined Glossary 8 event resource constraints 3 51 Index 6 event types 3 31 flag action 3 41 event 3 34 resource 3 39 library adding library or selected program 3 59 adding new library 3 57 creating programs 3 60 3 61 deleting library or selected program 3 59 overlay 3 57 program examples 3 61 3 63 replacing programs 3 58 restoring programs 3 57 3 59 saving programs 3 60 3 63 linking states 3 46 3 48 location 3 50 multiple clauses 3 44 position 3 51 defined Glossary 8 indicator 3 27 program avoiding problems 3 56 3 59 creating 3 31 defined Glossary 8 examples 3 52 3 56 size 3 52 programming 3 31 3 52 programming tools 3 52 range event 3 33 3 34 resource constraints 3 49 signal actions 3 42 3 43 event 3 35 specification program defined Glossary 8 state evaluation 3 31 states 3 31 symbolic radix 3 36 timer action 3 40 event 3 34 resource 3 39 word event 3 33 Trigger Library overlay function keys 3 57 3
58. ING 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 4 A m DANGER Protective Ground ATTENTION Double High Voltage Earth Terminal Referto Insulated Manual xii 92A96 amp 92C96 User Manual Preface This manual describes how to use the 92A96 or the 92C96 Data Acquisition Module as part of a Tektronix Digital Analysis System DAS or with the Tektronix TLA 500 series logic analyzers Since there are only minor functional differences between the 92A96 and the 92C96 Data Acquisition Modules this document refers to both modules as 92A96 Modules except where noted otherwise How to Use This Manual 92A96 amp 92C96 User Manual This manual is designed around the menus and overlays associated with the 92A96 Module software It is assumed that you know how to select menus how to move within the menus and overlays and how to use fields to make selections If you are not familiar with these operations refer to either the DAS System User Manual or to the user manual for your TLA 500 series logic analyzer Also refer to those manuals for a list of error and prompt messages and for a complete description of the main frame hardware and software This manual contains the following information m Chapter 1 Getting Started Provides a general overview of the 92A96 Mo
59. NE SEARCH Function key This function key calls the Timing Search Definition overlay Define the search parameters and then use function key F7 SEARCH BACKWARD to search for data from the sequence before the cursor toward the first sequence number or use function key F8 SEARCH FORWARD to search for data from the sequence after the cursor toward the last sequence number The Mag field is used to set the horizontal magnification factor for displaying data in the Timing menu also in the Graph menu as described later in this section A smaller magnification number gives more samples per location and more data samples in a single screen a larger number gives higher resolution and fewer data samples in a single screen For example a Mag setting of 20 means that only 1 20 one twentieth of the acquisition memory is currently displayed on screen The highest value depends on the size of the acquisition memory A horizontal line grid called a graticule can be displayed for reference purposes The grid marks indicate that a varying number of sample points are represented by each column in the display A dotted line represents a continued sample at each column a vertical bar represents individual sample points at each column and an asterisk represents multiple samples in each column 3 93 Display Menus If you use internal clocking the distance between grid marks represents the amount of time specified as your internal clock rate If you
60. OOOOO00000 Clock Probe 8 Channel SS Lead Set iii Signal Lead 0 7 sa a Two Ground Single Lead Set Leads k lt Signals e Ground SFI Za Ki chips Us pcnip Figure 1 7 A 92A96 Probe Assembly and Lead Sets Connecting Two Leads to One Signal You may want to use a signal from the system under test in multiple channel groups To do this you must connect a separate input channel lead to the signal for each channel group to which you want to assign that signal 1 14 92A96 amp 92C96 User Manual Getting Started Probing Techniques Using the Passive Probing System Connecting a 90 Channel Interface 92A96 amp 92C96 User Manual If your 92A96 Module consists of multiple 92A96 cards and you use external clocking you must connect the clock leads of each card to the same clock source For example assuming that you use CLK1 you could connect the CLK1 lead from both cards to a single KlipChip tip then connect the KlipChip tip to the external clock source To ensure that your 92A96 Module acquires TTL or CMOS data reliably from your system under test follow these setup guidelines When acquiring data ensure that the mainframe ribbon cables and podlets are Operating in a static controlled environment m When acquiring data move devices that generate high amounts of rad
61. Operation field This field specifies additional display operations for other address bus ranges This allows focused views of particular address ranges up to three Use the Disassembly Search Definition overlay to set up a search in the Disassembly menu for a bus value or a range of bus values on the address or data buses see Figure 3 48 You can also specify the range of sequence numbers from which to search for specific values Function keys F7 and F8 in the Disassembly menu execute the search To search forward through acquired data enter the beginning range sequence number in the Cursor field close the overlay with function key F8 EXIT amp SAVE and then select function key F8 SEARCH FORWARD To search backward through acquired data enter the ending range sequence number in the Cursor field close the overlay and select function key F7 SEARCH BACKWARD The Search Definition overlay also lets you save search patterns in a format file This is useful if you want to search for values or ranges on a regular basis Use function key F6 SAVE SEARCH to save a search pattern in a format file You can use function key F5 RESTORE SEARCH to restore a previously saved search format file To delete a search format file use function key F7 DELETE SEARCH 3 109 Display Menus Disassembly Print Overlay 3 110 SCASED 1 Display I TEASSEMELY SEARCH DEFIKITIOMN Search Type Disancarh RCE E the co is om tho sddr igply mear
62. Podleunolder 1 To remove podlets from the podlet holder grasp the white plastic pull tab on each side of the podlet holder and gently spread the sides of the holder open just enough to clear a podlet CAUTION Only spread the holder open wide enough to clear and remove the podlets Excessive pulling on the sides can deform the podlet holder 2 Remove the middle two podlets from the podlet holder by pushing up on the metal pin receptacles 3 Release the tabs on the podlet holder 4 Remove the remaining podlets by turning and extracting each one at a time 92A96 amp 92C96 User Manual C 3 Appendix C User Service Gently pull the tabs outward to open the podlet holder just enough to clear the two center podlets Channel 7 Podlet NE Figure C 2 Ganging the 8 channel Probe Podlets Together Replacing 8 Channel The channel podlets must retain the same channel order on both the interface Probe Podlets housing and in the podlet holder Be sure to replace the old podlet with a podlet of the same color Table C 1 shows the color code and channel number of each podlet for an 8 channel probe Table C 1 Podlet to Channel Color Code Podlet Color Black Brown Red Orange Channel Yellow Green Blue Violet SLD AJo j njej o Refer to Figure C 2 and the following procedure to replace an 8 channel probe podlet 1 Insert the appropriately colored podlet into the interface hous
63. TLA 500 series logic analyzers The Supplemental Information column provides pertinent characteristic operating details that are not guaranteed Table A 4 Electrical Characteristic Performance Requirements Supplemental Information INPUT at probe all channels Input Resistance 100 KQ nominal Input Capacitance 9 4 pF nominal 10 pF maximum Bandwidth minimum probe 140 MHz Absolute maximum voltage limits 15 Vp p Min TTL signal input ribbon cables 1 2 Vp p nominal centered on threshold Min ECL signal input coaxial cables 600 MV p p nominal centered on threshold Threshold levels 4 0 V to 8 75 V 50 mV steps DC threshold accuracy 75 mV Max operating input amplitude 10 Vp p for signals above 5 5 Vp p threshold must be set to 44 1 Volt A 2 92A96 amp 92C96 User Manual Appendix A Specifications Table A 4 Electrical Cont Characteristic Performance Requirements Supplemental Information SYNCHRONOUS Minimum Setup time 5 5 ns ECL ribbon cables 5 0 ns ECL coaxial cables 5 0 ns TTL 12 Minimum Hold time Ons 12 Minimum time between clock edges 10 ns With multiple clock edges Maximum external clock rate 100 MHz Using single edge clock Minimum clock pulse width 4 9 ns ECL 4 3 ns TTL high or low measure at threshold 2 Setup and Hold time Clock Qualifiers external clock and before edge mode Clock as Qualifier Clock 0 1 2 3 Setup time 5 ns 2 Hold time Ons 2
64. The Channel menu contains the Threshold Definition overlay to change the threshold levels of the clock and data channels The Channel menu also contains the Channel Definition overlay to define individual channel names and polarities 92A96 amp 92C96 User Manual Setup Menus 92A96 amp 92C96 User Manual Fa F5 F F7 DEFAULT DEFINE CEFIRE DELETE DROUPTHS THRESHOLD CHANNELS LALI Se Raga a ea a o E E E E BAT Figure 3 2 Channel Menu The Channel menu has the following fields and features m Group Name fields The Group Name fields specify the names of the channel groups Enter up to eight alphanumeric characters in a name with no spaces The group names must be unique For the default names in multicard modules the last alphanumeric character represents the number of an individual card in the multicard module If more groups exist than can be displayed in the group definition window you can use the mouse to scroll up or down Input Radix fields These fields specify the input radixes of the channel groups Selections are Hex hexadecimal Bin binary Oct octal Dec unsigned decimal Sym symbolic and Off For example selecting Sym enables a File field below the Input Radix field from which to select a previously created symbol table to use with the channel group Probe Section fields These fields specify the sections you want to include in the channel groups Open the fields to display a lis
65. User Manual Tektronix 92A96 amp 92C96 Acquisition Module 070 9185 02 Copyright Tektronix Inc 1995 All rights reserved 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 Printed in the U S A Tektronix Inc P O Box 1000 Wilsonville OR 97070 1000 TEKTRONIX and TEK are registered trademarks of Tektronix Inc DAS NT and DAS XP are trademarks of Tektronix Inc WARRANTY Tektronix warrants that this product will be free from defects in materials and workmanship for a period of one 1 year from the date of shipment If any such 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 obtain 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 locate
66. YNC Probe D Probe B 200 Probe OUT Gray Green Power Figure 1 5 Probe Connector Locations Connecting the Probe The probe cables and interface housings may already be connected when you Interface Housings receive the 92A96 Module If they are not connected refer to Figure 1 6 and follow this procedure 1 Select an interface housing with a label color that matches a label color on one of the probe cables 2 Line up the key on the loose connector end of the probe cable with the key slot on the interface housing and connect them 3 Repeat steps 1 and 2 for each of the three remaining probe cables 1 12 92A96 amp 92C96 User Manual Getting Started Interface Housing Key o i as NS 4 Sa o a NJ Q Ts z Sell Seli Sa S g NET y lt FI S X ai SEZ o t __j 5 nN 4 De NL No ri NS Si Secci Key Slot 92A96 Probe Cable Figure 1 6 Connecting the Interface Housing to the 92A96 Probe Cable Connecting the 8 Channel If your system under test has test pins pre configured with the proper spacing for and Clock Probes to the the 8 channel and Clock probes then they can be connected directly to the System Under Test system under test SUT In most cases however lead sets or lead sets with KlipChip tips are necessary and supplied to provide more flexible connection capability see Figu
67. actions Timer Events Use the timer event to recognize when a timer has reached a specified target value from 07 usec to 42 949 672 95 usec Do not enter commas in the value However after you press return to enter a value the number redisplays with commas added in the appropriate places There are at most two timers available Timers are controlled by their corresponding trigger program actions Flag Events Use the flag event to check the status of the flag Flags are useful for noting when a desired condition has been reached The flag is controlled by its corresponding trigger program actions 92A96 amp 92C96 User Manual Setup Menus 92A96 amp 92C96 User Manual Signal Events Use the signal event to recognize a signal from another module The list of available signals depends on what signals you defined in the Cluster Setup menu see Intermodule Signals on page 3 42 for details The signal is controlled by its corresponding trigger program actions Consec Cycles Event Use the consec cycles event to compare consecutive cycles to see if they are the same or different on a set of active channels from all sections all qualified groups or a specific qualified group There can be only one unique consec cycles event specified in the trigger program However the event can be used multiple times Any change made to the event in one instance affects all other instances of the event except Equal and Not Equal fields Also any
68. age qualification you want to use The storage mode method affects what fields are available in the Trigger menu Refer to Using Storage Qualification on page 3 47 Prompt Visibility field The Prompt Visibility field lets you display prompts that help you remember data values to enter in the Trigger menu You can create or delete prompts using the F8 ADD or F7 DELETE function keys when prompt visibility is On Refer to Trigger Prompts on page 3 63 Sync Out Polarity field The Sync Out Polarity field lets you select the polarity of the Sync Out signal 3 27 Setup Menus State Names Trigger programs are made up of trigger states The trigger states can be named by the default names for example One Two Three Sixteen or you can create your own names You can enter up to 13 alphanumeric characters with no spaces Up to 16 states are possible If more states exist than can be displayed on screen use the arrow keys to scroll Refer to Creating a Trigger Program on page 3 31 Trigger Clauses A trigger clause is an if then program statement that relates input events to 92A96 Module actions If the event portion of the clause is true then the action is performed Up to eight clauses can be defined in each state Trigger Events A trigger event contains one or more conditions to be recognized by the 92A96 Module When all the event conditions are satisfied the action s in the clause is executed Table 3 13 on page 3 32 li
69. al Safety Summary Review the following safety precautions to avoid injury and prevent damage to this product or any products connected to it Only qualified personnel should perform service procedures Injury Precautions Use Proper Fuse To avoid fire hazard use only the fuse type and rating specified for this product Do Not Operate in To avoid electric shock do not operate this product in wet or damp conditions Wet Damp Conditions Do Not Operate in To avoid injury or fire hazard do not operate this product in an explosive Explosive Atmosphere atmosphere Avoid Exposed Circuitry To avoid injury remove jewelry such as rings watches and other metallic objects Do not touch exposed connections and components when power is present Product Damage Precautions Do Not Operate With If you suspect there is damage to this product have it inspected by qualified Suspected Failures service personnel Safety Terms and Symbols Terms in This Manual These terms may appear in this manual WARNING Warning statements identify conditions or practices that could result in injury or loss of life 92A96 amp 92C96 User Manual xi General Safety Summary 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 WARN
70. amples and fill memory only with the desired data The Store field in the Trigger menu lets you select the type of storage qualifica tion you want to use All Cycles All cycles are stored Store Event A Store event section field is added to the trigger program Only samples that match the event set up in the Store Event are stored By State Each state in the trigger program has a State Store field added You can choose to store or not store sampled data while that state is in control Combination The Store Event and the State Store fields are added to the trigger program If either condition is satisfied the sampled data is stored No Cycles Nothing is stored This selection is provided to let you store only when a store or trigger action is executed 3 47 Setup Menus 3 48 Figure 3 18 shows the Trigger menu with the Store Event and the State Store fields added This trigger program only stores samples when the address is in the range A0000000 through AFFFFFFE or when in trigger state two Trigger State Two is active between accesses to address 00001111 and 00005555 BHBd11I Fa F7 DEFAULT DELETE TRIGGER LIBRARY ig o i a a ea aa iano riso fissati von Bet Figure 3 18 Combination Storage Qualification The Store Event fields define the storage event You can define a simple or a compound event Each state also has a State Store field added when you select By State or Combination in the Store field Y
71. and Disassembly menus If you encounter problems using the symbolic radix in the display menus verify that you have the symbolic radix selected in the Channel menu as well as the State Format Definition overlay or the Disassembly Format Definition overlay Timestamp The 92A96 Modules offer a feature called a timestamp The timestamp is a timer that starts when you start the acquisition The timestamp value is stored with every acquisition cycle this value can then be displayed in its own column in the State menu The timestamp has a resolution of 10 ns in General Purpose mode 5 ns with a 5 ns or slower clock period selected in High Speed Timing mode or 2 5 ns with a 2 5 ns clock period selected in High Speed Timing mode The timestamp values round up to the nearest nanosecond Each timestamp value is displayed using a specific format For example a display that reads 2 4 6 111 222 335 s shows the time units are in seconds the displayed units always correspond to the number immediately left of the decimal point In this example the sequence of numbers to the left of the decimal point separated by colons indicates 2 hours 4 minutes and 6 seconds The sequence of numbers to the right of the decimal point separated by commas indicates 111 milliseconds 222 microseconds and 335 nanoseconds To add a timestamp group perform the following steps 1 Goto the State Format Definition overlay Select Edit Groups in the Function field Po
72. anipulate the display of acquired data to help you in its analysis It also recommends changing the 92A96 Module setup parameters to acquire new data for a different look at your system under test This basic operating cycle see Figure 2 2 is required for hardware analysis or software analysis with variations in clocking and display selections These steps are written for occasional or experienced users of the 92A96 Module However references to the detailed descriptions of these tasks are included for new users Setup 92A96 Acquire Display Connect Module Data Data Install 92A96 92A96 Probes to Hardware System Channel Menu Timing Menu Config Menu Monitor Menu State Menu amp Software ci Clock Menu Graph Menu Trigger Menu Disasm Menu Start Key Select Menu Figure 2 2 A Start Up Operating Cycle for the 92A96 Data Acquisition Module Install Hardware and Software If you have a DAS NT or a DAS XP you may have to install the 92A96 Module inside the mainframe Refer to Installing the Hardware beginning on page 1 5 for information on installing the 92A96 Module in a DAS Mainframe If you have a TLA 500 series logic analyzer the 92A96 Modules are already installed The system software should already be installed However if you purchased any of the disassembly software or application software you may need to install the software through the Disk Services men
73. aracter or sequence of characters to cause the printer to go to the top of the next page The characters XX represent don t care values and are not sent to the printer The don t care values cannot be followed by character values If you enter a bad value into a field the field will return to its default value Any hexadecimal numbers from 01 to FF are valid 00 is not The new page character fields are not available in PostScript format Comment This field specifies a comment located in the header at the top of each printed page The maximum number of characters is 52 Print Overlays This field lets you print the supported overlays associated with the setup menu s when you select Yes Note however you cannot print a trigger library with the Setup Print overlay Function keys Function key F4 DEFAULT SETTINGS loads the default print overlay settings into the print overlay However selecting this function key does not load any values or characters into the Output Specification fields Function key F5 PRINT SETUPS sends all the setup menus to an output file or to the printer via the RS 232C auxiliary port You can also print supported overlays when you select Yes in the Print Overlays field Function key F6 sends the menu to an output file or to the printer via the RS 232C auxiliary port The label on the F6 function key changes according to the menu that you call the print overlay from Function key F7 PRINT S
74. ata is logged into the logic analyzer Scrolling A method of positioning a portion of a data display too lengthy to be contained on the screen in its entirety Signal Event When a trigger menu includes a signal from another module in an event clause that signal is called a signal event Simple Action A trigger specification term Any action that can be performed by an acquisition module running in real time Simple Event Any of several conditions events that can be detected by a running acquisition module Examples of simple events include word recognizers timer counters external triggers and signals passed from other modules Simple events can be combined with Boolean operators to create Compound Events Skew The relative time difference between input channels specified in terms of one edge relative to another the misrepresentation of data caused by parallel channels with different propagation delays Split screen A feature available in some display menus that lets you divide the screen display area into two data windows split either horizontally or vertically Each window has its own cursor and can display its own source of data and its own display type 92A96 amp 92C96 User Manual Glossary 92A96 amp 92C96 User Manual Stand alone A self contained logic analysis system rather than a remote host configura tion in which the logic analyzer acts as a peripheral to a host computer State A trigger specificat
75. ation support software package is installed The clocking modes are defined below m Internal A step timebase is internally generated This mode enables clock periods from 1 ms to 10 ns to control the asynchronous sampling rate 1 KHz 100 MHz of monitored channels When you select High Speed Timing support two additional clock periods are selectable 5 ns and 2 5 ns m External A signal or signals generated by the system under test is used as the sample clock This setting allows external signals with periods as short as 10 ns to control the synchronous sampling rate up to 100 MHz of monitored channels m Custom Enables and disables a variety of microprocessor specific clock cycle types for example DMA cycles Refer to the instructions that came with your microprocessor support software for a detailed description of the Custom selection in the Clock menu not shown in this manual 1 Select the Clock menu and choose the clocking mode 2 Choose the desired clock period that is the sample rate if you select internal clocking 3 Specify the clock equation s edge and source if you select external clocking Use the Trigger menu to create programs to control when or where the trigger occurs and what sampled data is qualified for storage in the 92A96 Module 1 Select the Trigger menu and specify a trigger position The trigger position can be either at 12 5 default intervals within memory or at a precise value point en
76. ave three 92A96 Modules in a Master mainframe or an Expansion mainframe then you cannot have more than one other module in the same mainframe m The 92S32 Pattern Generators cannot be placed in the next higher numbered slot above a 92A96 Module 1 6 92A96 amp 92C96 User Manual Getting Started Creating Multiple Card Modules 92A96 amp 92C96 User Manual Table 1 1 Power Supply Required for Configuration Power Supply Required in Power Supply Required in Number of 92A96 Modules Mainframe Expansion Mainframe 1 any any 2 any any 3 1A orA1 A5 or 1B 1 any 4 1B 1 A1 A5 or 1B 1 1 The 1B power supply option was discontinued effective SN B061162 and above Additional guidelines are as follows m Correlating a 92A96 Module with a 92A16 Module requires the 92A96 Module to be located in the next lower slot to the 92A16 card this correlated pair has a 80 MHz maximum sampling rate m When combining a 92A96UD Module with 92A96 92A96D 92A96XD or 92A96SD Modules to create a multicard module place the 92A96UD Module in the higher numbered slot m If your DAS configuration consists of modules other than 92A96 Modules install those modules before installing the 92A96 Modules The 92A96 Module can be used as a single card or as a multiple card module You create multiple card modules by installing multiple 92A96 Module cards in adjacent slots of the DAS mainframe the system software automatically recognizes their po
77. ays the sequence number of data at the cursor location At the highest magnification the cursor represents only one sequence At the lowest magnification the cursor can represent multiple sequences in this case the lowest sequence number under the cursor is listed 3 101 Display Menus Graph Format Definition Overlay 3 102 You can scroll the cursor or move to a new location by typing the desired sequence number Mark label number number or a t for trigger in this field then pressing the Return key See Cursor Sequence Field on page 3 71 for more details m Channel Group Name and Value fields These fields show the name and value of each displayed channel group at the cursor location When one group is displayed all group related information is shown in white If a second group is simultaneously displayed its group related information is shown in red Plotted points that represent the intersection of data from group one white and group two red are displayed in blue m Trigger Mark The Trigger mark shows where the trigger occurred m User Generated Marks User marks show the location of a mark See User Marks on page 3 75 m Data Cursor The data cursor is represented by a thin vertical line m Axis The horizontal axis shows the memory locations of the samples being plotted The vertical axis shows the group values of the samples being plotted Use the Graph Format Definition overlay to control the rang
78. ch Definition Overlay Disassembly Print Overlay Split Screen Definition Overlay Vertically Split Display Horizontally Split Display High Speed Timing Support Is Selected In the Config 3 54 3 55 3 56 3 58 3 59 3 62 3 63 3 64 3 69 3 73 3 74 3 77 3 80 3 82 3 84 92A96 amp 92C96 User Manual Table of Contents 92A96 amp 92C96 User Manual Figure 3 55 Channel Menu with 2 5 ns Clock Selected 3 120 Figure 3 56 Clock Menu With Internal Clock Periods in High Speed Timing Support LL 3 122 Figure C 1 Removing a Clock or an 8 channel Podlet from the Interface HOUSING s 5 0 cing cate eh alee i ean ae BAe OS NLS C 3 Figure C 2 Ganging the 8 channel Probe Podlets Together C 4 vii Table of Contents viii 92A96 amp 92C96 User Manual Table of Contents List of Tables 92A96 amp 92C96 User Manual Table 1 1 Power Supply Required for Configuration Table 1 2 Probe Label Information LL Table 1 3 92A96 90 Channel Interface Pin Assignments Table 2 1 92A96 Module Version and System Software Compatibility Table 3 1 Module Type Channel Count L Table 3 2 Memory Depth Selections for 8K Modules Table 3 3 Memory Depth Selections for 32K Modules Table 3 4 Memory Depth Selections for 128K Modules Table 3 5 Memory Depth Selections for 512K Modules Table 3 6 Memory Depth Sel
79. ch bo Cursor abquence numbers ARARAADA through 24576 FS FE RESTORE SAVE SEARCH SEARCH PRIMI a iein rim Figure 3 48 Disassembly Search Definition Overlay The Disassembly Print overlay lets you specify printer output settings to use while printing disassembly data This overlay operates like the Setup Print overlay Refer to Setup Print Overlay on page 3 64 for instructions on how to use the print overlay There is one notable feature addition to this print overlay Select Yes in the Print Overlay field an Output Specification to print the Disassembly Format Definition overlay before and in addition to the Disassembly menu Figure 3 49 shows an example of the Disassembly Print overlay 92A96 amp 92C96 User Manual Display Menus DISASSEMELY PRINT Saved Printer Settings Send lutmut To Fora Fa F5 DEFAULT PATHT SETTIMGS DAAH A SETTINGS amp SAVE CANCEL PRIHI Hotie FEH Iisi rim Led E Figure 3 49 Disassembly Print Overlay Split Screen Definition Overlay 92A96 amp 92C96 User Manual The Split Screen Definition overlay lets you split the display vertically or horizontally dividing it into two data windows Each window has its own cursor and user marks and can have its own source of data and its own display type When you split the display you can switch windows freely making one active and the other inactive The overlay can be called from the State Timing or Disassembly me
80. changes in the channel grouping can alter the list of channel groups thus making the current selection invalid When this occurs the Consecutive Group Name field changes to Sections Use the consec cycles event only after State One in trigger programs This assures that at least one cycle has been taken for comparison The Sections selection is the default value for the Consecutive Group Name field This selection causes the 92A96 Module to monitor all active 92A96 channels whether or not they are assigned to a channel group The Groups selection causes the 92A96 Module to monitor all valid channel groups The selection will not be available if no valid channel group exists For a channel group to be considered valid the following criteria must be met m The group must have one or more active channels in it m The group radix must not be Off m fa channel of an 8 channel section is used in the group all channels from that section must be included in the group no partial sections m When a Control section is included in a group it must have its associated Control section as defined in the 92A96 Module hardware also included in the group Control sections C3 and C2 are associated pairs as are C1 and CO on the same card This rule is not applicable in High Speed Timing support when 2 5 ns clocking is selected because only one Control section is enabled per 92A96 Module Channels in the sections in Consecutive Cy
81. cify the paper width the possible widths are 8 5 inches and 14 inches An 8 5 inch paper width will print 34 traces per strip of paper a 14 inch paper width will print 63 traces per strip of paper The PostScript output is limited to 8 5 inch paper width m Number of Traces field Use this field to specify the number of traces to print beginning with the trace at the top of the Timing menu The number of traces to print includes any blank traces added with the Timing Format Definition overlay and any bus value lines 3 99 Display Menus Graph Menu 3 100 Skip Perforations field Use this field to specify whether to insert blank spaces before and after page perforations The default choice is No If you specify PostScript as the output format the Skip Perforations selection is forced to Yes The Graph menu plots acquired channel group values against their locations in acquisition or reference memory You get a visual overview of an acquisition for one or two selected groups Some possible uses of the Graph menu follow Plotting address values against their locations to see patterns in a program such as when the program jumps to the operating system or to error handling subroutines Saving a graph of a good system to compare to acquisitions from other systems Using two correlated 92A96 Modules to acquire data from two microproces sors you can plot the address group data for both microprocessors to see where they a
82. cle groups are not required to be in the hardware order Also the groups can contain sections from multiple modules A third category of selections for the Consecutive Group Name field can exist If this selection exists it will be followed by one or more selections containing the name of a qualifying Consecutive Cycles channel group and the word channels for example Address1 channels or Datal channels If you select a specific channel group the Consecutive Cycles event will only apply to the channels of that group 3 35 Setup Menus 3 36 NOTE Avoid modifying channel groups that are used by a consec cycles event Any change to the channel groups can affect the consec cycles event operation Refer to High Speed Timing Support beginning on page 3 117 for specific information about how consec cycles operates in that mode Anything Events Use the anything events to specify an action or actions that you want executed every cycle Event Parameters You should be aware of some considerations that can affect what or how you enter or select event parameters Since an event can be used in more than one place in the trigger program a change to one instance of the event can automatically cause a modification of the corresponding parameter in other instances of the same event If you change the radix for a group in the Channel menu the field width and the group value are changed in the Trigger menu For examp
83. consists of two to eight events combined using the logical operators AND or OR in a single clause All of the events in a compound event are evaluated simultaneously To create a compound event go to the Event select function key F8 ADD and select Add Event The And Or field appears on the line below where the default value is And and the new Event field appears on the second line A compound action consists of two to eight actions logically ANDed in a single clause All of the actions in a compound action are executed simultaneously when the event portion of the clause is true To create a compound action go to the Action select function key F8 ADD and select Add Action The new Action field appears on the line below where the default value is Trigger Compound actions are always logically ANDed The following example shows three different ways to build compound events and actions State One State One State One If Event 1 If Event 1 If Event 1 Or Then Action 1 And Event 2 Action 2 Event 2 Then Action 1 Then Action 1 Action 2 End Of State One End Of State One End Of State One Conflicting Actions Whenever the 92A96 Module attempts to perform more than one action in a cycle some of the selected actions may conflict with each other when their events are true concurrently For example you could set up two clauses in a state where one clause specifies Go To State Two and the other clause specifies Go To State Th
84. counter reaches the value six 6 Figure 3 12 shows an example of a trigger program that uses a counter The trigger program in Figure 3 12 uses Counter 1 in an event and an action It causes the module to trigger on the cycle following the sixth occurrence of address 1300 3 39 Setup Menus SCASED 1 Setup Trigger 411 Cele BRET Se Trdi FELINI rer Countess Fa DEFAULT F ohhh la ma a e E E E E E E fax Figure 3 12 Trigger Program Using a Counter The timer value is controlled by the resume timer restart timer and stop timer actions You can define a timer event that is true or false based on the current timer value For example you might want to capture the data surrounding a slow execution of the code between addresses 1300 and 1500 To do this set up a trigger program as shown in Figure 3 13 NOTE You can t resume restart or stop a timer within 30 ns following another such command in a trigger program otherwise the resulting operation is unpredictable And when you restart a timer and then stop a timer you must add 10 ns to the indicated time Also you must allow 70 ns from restarting a timer until you check the timer as an event condition in an If statement 3 40 92A96 amp 92C96 User Manual Setup Menus Trigger Idle Ford estari Timer ki imer Trigger Fa A F DEFAULT Bi DELETE TRIGGER Biasi Ga Gn esa aa Ponta E E F E E E fest Figure 3 13 Trigge
85. ction key F8 EXIT amp SAVE Select either function key F8 SEARCH FORWARD or F7 SEARCH BACKWARD to execute the search Use function key F4 LOAD FROM CURSOR to load the data values under the data cursor corresponding to the main module into the search value fill in fields The don t care X mask entries are not retained Function key F5 LOAD MASK CURSOR loads the data values under the data cursor corre sponding to the main module into the search value window s fill in fields however the don t care X mask entries are retained Not Value Search Use the search for Not Value to search for a sequence contain ing data that does not match the patterns entered in the search group fields For example suppose you have data group values that should be the same through out acquisition memory but you suspect there could be a different value occurring at some point in time You can define the expected value for Not Value search and only the different sequence would be found 92A96 amp 92C96 User Manual Display Menus State Table Print Overlay 92A96 amp 92C96 User Manual Memory Difference Search Use the Memory Difference as the current search type to locate the first data location in the source data that does not match the comparison data Source data and comparison data can come from either an acquisition memory or a reference memory file The search applies to the displayed data in the main module of a correlat
86. ction to the current channel group Press the Return key to execute the add operation Press the Escape key to abort the operation Creating Channel Groups The Channel menu lets you specify the number and names of the channel groups to use in the Display menus and elsewhere Each channel group has a Group Name field Input Radix field and one or more Probe Section fields with corresponding Channel fields To add a new channel group select function key F8 ADD and select Add Group This adds a new channel group field below the channel group field the cursor is currently on You can define a maximum of 20 channel groups To delete an entire channel group move the cursor to any field in the group select function key F7 DELETE and then select Delete Group Probe Sections Because the 92A96 Probe contains a large number of channels the probe is divided into sections These sections are intended to help you keep track of the individual channels they do not restrict you from mixing channels from various sections when creating new groups Table 3 7 lists the probe sections and the channels in each section that you can use when creating groups for a 92A96 Module 3 12 92A96 amp 92C96 User Manual Setup Menus Table 3 7 92A96 Module Probe Sections Section Channels A3 76543210 A2 76543210 Al 76543210 A0 76543210 D3 76543210 D2 76543210 DI 76543210 DO 76543210 C3 76543210 C2 76543210 Cl 76543210 CO 76543210
87. ctive clock probe or a defective podlet from an 8 channel probe Use Figure C 1 and the following procedure to remove a clock probe or an 8 channel probe podlet from the interface housing 1 Power down the system under test It is not necessary to power down the logic analyzer 2 Use a small pointed tool such as a ballpoint pen pencil or straightened paper clip to press down on the latch detent of the podlet through an opening on the interface housing 3 Gently pull the podlet connector out of the housing with one hand while pressing down on the latch detent with the pointed tool Do not pull on the end of the probe podlet rather grasp the podlet strain relief portion near the connector housing to remove it 92A96 amp 92C96 User Manual Appendix C User Service Paper Clip Press down on the detent latch while pulling the podlet out Gently pull the podlet out Figure C 1 Removing a Clock or an 8 channel Podlet from the Interface Housing Replacing a Clock Probe Refer to Figure C 1 and the following step to replace a clock probe To replace a clock probe insert a new clock probe into the same clock channel position on the interface housing Insert the clock probe into the interface housing with the detent latch oriented to the label side of the housing Removing 8 Channel Refer to Figure C 2 and the following procedure to remove the 8 channel probe Probe Podlets from the podlets from the podlet holder
88. d 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 or c 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 WITH RESPECT TO THIS PRODUCT IN LIEU OF ANY OTHER WARRANTIES EXPRESSED OR IMPLIED TEKTRONIX AND ITS VENDORS DISCLAIM 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 O eeoe EEE F zy lt lt i Table of Contents Getting Started Operating Ba
89. d System Software Compatibility 92A96 Module Version System Software Version Standard 92A96 Module Release 2 Version 1 50 or higher 92A96D and 92A96XD Modules Release 2 Version 1 51 or higher 92A96SD Modules Release 3 Version 1 10 or higher 92C96 Modules all versions Release 3 Version 1 40 or higher 92A96UD Modules Release 3 Version 1 51 or higher Two primary types of menus for the 92A96 Module are available m Setup menus These menus control how the module acquires new data m Display menus These menus show acquired data in a variety of forms There is also a third type of menu the Monitor menu This menu tracks the current operational state of the module while it is performing an acquisition 92A96 amp 92C96 User Manual 2 3 92A96 Module Menu Overview Setup Menus There are four setup menus that control how the 92A96 Module samples and stores data Each menu has its own set of fields that can be use to define the data acquisition module setups Configuration Menu The Configuration Config menu shows the current configuration of the module and specifies operating modes In this menu you select the software support mode you want the default memory size and whether or not you want to capture signal glitches This menu shows you the name and type of module you have including the number of channels available and it indicates the intermodule signals you have defined Channel Menu The Channel menu le
90. d wherever this action is executed Overrides other storage qualifications Don t Store no associated fields Prevents storage of the sample Overrides other storage qualification except when a trigger action occurs in the same clause which forces storage Begin Again no associated fields Resets all counters and timers to zero restarts timers unasserts any asserted signals clears the flag and returns to the first state in the trigger program If the trigger has already occurred post trigger countdown continues Do Nothing no associated fields Do Nothing works as a placeholder so that you do not have to delete an action to temporarily disable it Action Operating Considerations Actions of the active state are performed simultaneously when their corresponding events are true this can cause some unexpected results For instance if State One asks for any word to restart a timer every sample clock cycle will be true and the timer will restart at each clock cycle Thus the timer will never run Since most actions are only performed when their corresponding event is true in the active state subsequent states must have the action repeated in order to have them occur again Thus a counter set to incrementally increase on an event when State One is active must be set to incrementally increase again for the event in State Two when it is active Additionally the effects of actions performed in one state are carried over into other s
91. 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 event is found and the post trigger delay counter reaches the specified trigger value which stops acquisition During acquisition you can monitor the progress of the data storage process via the Monitor menu After storing the data you can display the acquired data in the following formats state table timing diagram graph display and microprocessor disassembly 92A96 amp 92C96 User Manual rr__ Py e _ ___ _ e ee e 92A96 Module Menu Overview The 92A96 Module user interface is a menu driven system based on the DAS or TLA mainframe The system software provides the menus to organize and control system level module interaction The 92A96 Module provides the menus using the 92A96 Support Software to control its data acquisition qualification storage and display Refer to the user manual for your DAS or TLA 500 series logic analyzer for information on how to access menus All of the 92A96 Module menus are described in detail in the Reference Chapter of this manual The 92A96 Modules are compatible with the system software versions described in Table 2 1 Before using the 92A96 Module with your DAS or TLA logic analyzer verify that the system software of you logic analyzer is compatible with your version of the 92A96 Module Table 2 1 92A96 Module Version an
92. dule and how to connect probes to the 92A96 Module and to the system under test m Chapter 2 Operating Basics Provides a description of the 92A96 Module operating cycle a general overview of the setup and display menus and an operational overview of using the 92A96 Module m Chapter 3 Reference Describes the menus and features provided for the configuration and operation of the 92A96 Module All setup menus and their associated overlays are described here m Appendix A Specifications Lists the environmental physical and electrical properties of the 92A96 Module and probes m Appendix B Accessories Lists all standard and optional equipment available with the 92A96 Module and probes m Appendix C User Service Provides user service information for replacing probes and podlets xiii Preface Related Documentation This user manual is intended to supply information on using the 92A96 Module as part of the DAS NT and DAS XP Digital Analysis Systems or the TLA 500 series logic analyzers You may need to refer to the following documentation for more information on the DAS and TLA systems m The DAS System User Manual provides information on the DAS system lev el menus basic operating information and installation instructions m The TLA 510 amp 520 User Manual provides information on the TLA 510 and TLA 520 Logic Analyzer system level menus basic operating information and installation instructions m A series of Ins
93. e memory status indicator will be displayed in orange and the right side of the bar will be displayed in gray indicating the unused memory due to the early trigger The Delay Count field displays the amount of memory that remains unfilled 92A96 amp 92C96 User Manual 3 69 Setup Menus 3 70 When you start an acquisition the Monitor menu shows how the acquisition is proceeding The trigger state currently in control is highlighted at the top of this display As control is passed from state to state the highlighting changes to reflect the new state in control the state currently in control may change without ever storing qualified data samples Note that when state to state transitions occur too fast the state highlighting may not occur Only qualified data samples are stored in the acquisition memory Newly acquired data overwrites this memory until the trigger event is found Since the post trigger delay cannot exceed the size of memory the sample associated with the trigger cannot be overwritten After the trigger event is found the post trig ger delay cycles are acquired and the results are displayed When the trigger is programmed to one of the nine trigger positions each step in the trigger position represents a change of approximately 12 5 If for example the trigger position was set in the center of an acquisition memory containing 1024 samples the unfilled locations after the trigger are approximately half that amoun
94. e of values shown in the vertical axis m Function keys Use function key F4 MARK DATA to mark the current cursor position See User Marks on page 3 75 Use function key FS DEFINE FORMAT to call the Graph Format Definition overlay The overlay lets you select different groups for plotting the group data range and the plotting mode Other function keys operate the same as in other menus Use the Graph Format Definition overlay to select the channel group s you want to display and the range of group values you want to see You can also use the overlay to set the plotting mode Figure 3 44 shows an example of the Graph Format Definition overlay The Channel Group Range fields specify the range of values you want to plot for each selected channel group You can have different value ranges for each group For example you might want to plot the full range of values from a data group against a limited range of values from an address group Range values are displayed in hexadecimal and octal formats You can change the radixes using the State Format Definition overlay The Channel Group Name fields specify the group s you want to see You can select any groups except for groups with 0 channels from the Channel menu of the data sources you are using To remove a group from the display select None 92A96 amp 92C96 User Manual Display Menus Rafa GRAPH FORMAT DEFIMITION Group L Alama Adder Minimum Yai Honimun Y Group 7 Mans Mo
95. e trigger occurs m Monitor menu accuracy Don t expect the timer value to necessarily be the end of the acquisition memory the timers require an explicit Stop action so its value continues to increase and possibly wrap until stopped Also rapid transitions between states can occur which cause the counter timer and flag values to be inaccurately displayed Trigger Library Overlay The Library overlay offers a set of standard trigger programs for you to use It also saves your own trigger programs for later recall However the Library overlay is not a replacement for the system Save Restore menu If the trigger program being saved depends on any other setup menus such as saving a symbolic radix in the Channel menu then you should use the Save Restore menu instead Figures 3 24 and 3 25 show the Library overlay with a system defined for example Tek library and a user defined library selected The library name field displays the name of the library A description of the system defined programs and user defined programs makes up the rest of the menu You cannot alter the descriptions of system defined programs For more information about a particular trigger program place the cursor on the program name and select the Notes on screen button to display the on screen notes for that selection You can scroll through the table if more than 20 library items exist Function key Fl ESCAPE amp CANCEL closes the overlay and returns to the
96. e two points To determine if there is additional data increase the magnification to the highest number possible and display one memory location per horizontal pixel column Figure 3 45 shows Data group values in the Range Bar plotting mode This example shows all Data group values plotted against their locations in acquisi tion memory The number of points represented in each horizontal pixel column depends on the magnification level 92A96 amp 92C96 User Manual Display Menus Disassembly Menu 92A96 amp 92C96 User Manual BESE Dono Display I LL Fa F5 MARE DEFIHE DATA FORMAT Fat FI FMI FTE ae em hhh et ea a e E E E E E E aa Figure 3 45 Graph Menu Data Group Plot Using Range Bar Mode The Disasm disassembly menu for General Purpose support provides basic generic microprocessor disassembly support It shows the data samples for the Address bus Data bus and Control signals groups in a table format Instruction mnemonics from the Control group that identify cycle types are displayed in the Mnemonics column Data group mnemonics are displayed in the Mnemonics column on cycles when the symbolic Control group value is FETCH A Disassembly Format Definition overlay lets you define the display to make it more useful in your particular application For example you can define a hexadecimal or symbolic display radix for the Address group or choose whether you want to display the timestamp value
97. ect Options are restored The default settings for the State format functions can be restored by selecting the Default item m F6 SAVE FORMAT Function key Use this function key to save the selections made using the Edit Groups and Select Options functions of the State Format Definition overlay Selections for both functions are saved on the hard disk To save a file of the current state format selections select function key F6 SAVE FORMAT and enter a file name m F7 DELETE FORMAT Function key This function key displays a list of saved State display format files To delete a format file select function key F7 DELETE FORMAT and select the file to delete To confirm the operation press the Return key Module Suppression You can suppress the display of data from one or more of the modules in a correlated set of modules by using the Select Options function in the State Format Definition overlay Figure 3 34 shows the top part of a menu with the fields that appear when you correlate data from two modules Displays of data from multiple modules look and function similar to displays of data from one module Ciustar 2 SCASESD 1 Display I l STATE FORMAT DEFINITION lose So hoot Options Celts Tine Se lecter Si Module Display Cursar 5 E TA DFi i Display Figure 3 34 Module Suppression Fields State Format Definition Overlay To suppress specific module data from the display use one of the follow ing methods m Select Suppress i
98. ect function key F5 DEFINE FORMAT to open the State Format Definition overlay 2 Select the State Format Definition overlay and select Edit Groups as the format definition function Select the group name field where you want the new group select function key F4 ADD GROUP and then select the timestamp A printer support overlay is generic to most menus Although some printer support overlays have slightly different labels and fields each is basically the same Use the printer support overlay to specify the parameters necessary to transfer the current menu s contents to a line printer or to a file To display a printer support overlay follow these steps 1 Select the on screen Print button while in a setup or display menu except the Graph menu 2 To print a menu after you ve set the printing parameters select F5 PRINT You can split the display vertically or horizontally dividing it into two data windows Each window has its own cursor user marks source of data and display type You can switch windows freely making one active and the other inactive All appropriate format definition and search definition overlays are available too Refer to the Split Screen Definition Overlay on page 3 111 for details 2 13 Operational Overview To split the screen select function key F2 SPLIT DISPLAY to open the Split Screen overlay from the State Timing or Disassembly menus Then select either function key F5 SPLIT HORIZ to
99. ections for 2M Modules Table 3 7 92A96 Module Probe Sections 004 Table 3 8 Probe Section Availability Table 3 9 Clock Type Selections 0 0 0 eee eee eee Table 3 10 Trigger Menu Delete Options 04 Table 3 11 Trigger Menu Add Options 008 Table 3 12 Memory Depth Trigger Position Limitations Table 3 13 Events Available in the Event Field Table 3 14 Actions Available in the Action Field Table 3 15 Cursor Field Operations Table 3 16 Memory Depths for 32K Modules Table 3 17 Probe Selection Availability 04 Table A L Safety i cora ste ir See bee pas had one Table A 2 Environmental Table A 3 Physical nia le ia ee uni Lai Table A 4 Electrical i iii at Table B 1 92A96 Module Options Table B 2 Standard Accessories for the 92A96 Module Table B 3 Standard Accessories for the 90 Channel Microprocessor Interface ctr Stee tuted he Eki ne OG Saree ia ti Table B 4 92C96 Module and 92A96UD Module Options Table B 5 Standard Accessories for the 92C96 Module and 92A96UD Module 0 cece ce eee ce ee Table of Contents Table B 6 Optional Accessories for the 92A96 and 92C96 Modules B 3 Table C 1 Podlet to Channel Color Code 92A96 amp 92C96 User Manual ae EE Ev E yoe oB Gener
100. ed set of modules This selection is valid only if Comparison Data is specified in the With field of the State Format Definition overlay You have to turn on the Memory Differ ences display selection in the format definition overlay to enable a search Qualification Gap Search Use the Qualification Gap as the current search type to locate the first occurrence of a data qualification gap in the main module s data This selection is only valid when the main module in a correlated set of modules is a 92A96 92A60 90 or 92A16 You do not have to turn on the Gaps display selection in the State Format Definition overlay to enable a search Use the State Table Print overlay to print the State menu You can direct output ASCII equivalent of the menu to a printer connected to the RS 232C Auxiliary port or to a file If you print to a file you can use the Disk Services menu to access the file in the Print Output directory NOTE When working with a split screen menu you can only print the active window of split screen display Figure 3 38 shows an example of the State Table Print overlay Most of the fields and function keys of the overlay are similar to the Setup Print overlay However the State Print overlay also lets you specify a sequence number range where you can specify the beginning and ending sequence numbers of the data that you want to print Function key F7 PRINT SETTINGS prints the State Table Print overlay settings including
101. efer to Input Radix on page 3 15 92A96 amp 92C96 User Manual Setup Menus 92A96 amp 92C96 User Manual Choosing Actions The 92A96 Module provides 16 types of actions to select from in an Action field see Figure 3 9 on page 3 27 Actions have parameter fields that require you to select from a list of options Table 3 14 lists the actions and their associated fields or selections Table 3 14 Actions Available in the Action Field Action Type Trigger Associated Fields and Description no associated fields Store the data sampled on this cycle and mark it to identify the trigger position This action overrides any storage qualification that has been Specified in the trigger menu Thatis this action forces storage each time it is specified Incr Counter Reset Counter Restart Timer 1 2 Increments the specified counter by one 1 2 Sets the specified counter to zero 1 2 Sets the selected timer to zero and starts it and thus require two clock cycles to execute Timers have a resolution of 10 ns Resume Timer 1 2 Causes the specified timer to resume running after it has been stopped by a Stop Timer action The timer isn t reset to zero it starts where it left off Stop Timer 1 2 Stops a running timer The timer value isn t reset to zero Go To State lt state name gt Passes program control to the indicated state A Go To State action is invalid for transitions to
102. el menu are used by the other menus that refer to channel groups If you want to change a group name you must change it in this menu Enter up to eight alphanumeric characters in the Group Name field The order in which you list channel groups in this menu determines their order in the Trigger menu and their default order in the display menus Input Radix Channel group radixes defined in the Channel menu are used by default in most other menus that display channel group fields except a decimal radix selection in the Channel menu appears as hex in the other menu displays However some menus let you change the radix For example you can select Hex as the input radix for a group in the Channel menu then use a binary display radix for the same group in the State menu Select one of the display radix parameters that appear when the Input Radix field is opened see Figure 3 4 Select Off to suppress the selected channel group from appearing in the Trigger or display menus 92A96 amp 92C96 User Manual 3 15 Setup Menus 3 16 SCASED Channa Address Fa F5 F DEFAULT DEFINE DEFINE DAOUPTHS THRESHOLD CHANNELS Pat i mi z sa a M a mal Bed fa E E E E E E ee Figure 3 4 The Opened Input Radix Field Channel Menu To use Symbolic input radixes create a symbol table using the Symbol Editor menu or download a previously created symbol table from a host computer A symbol table is composed of numeric values a
103. eld 3 19 channel polarity field 3 20 function keys 3 20 section field 3 19 channel groups 2 8 3 85 3 97 adding sections 3 12 deleting sections 3 12 Channel menu 3 10 3 20 3 119 adding groups 3 12 Channel Definition overlay 3 19 channel number field 3 12 deleting groups 3 12 function keys 3 12 group name fields 3 11 group radix field 3 11 probe section field 3 11 radix field 3 11 Threshold Definition overlay 3 17 clause 3 28 3 44 defined Glossary 2 clock adding clock lines 3 24 channel selection 3 24 cycle defined Glossary 2 default setting 3 24 deleting clock lines 3 24 equation 3 24 3 25 defined Glossary 2 external defined Glossary 4 operation 3 23 internal defined Glossary 4 modes 2 9 3 21 3 92 period 3 22 probe replacing C 3 qualification defined Glossary 2 qualifier defined Glossary 2 source 3 25 signal source 3 24 threshold 3 18 Clock menu 3 21 3 26 3 121 clock equations 3 24 edge field 3 24 external qualifiers 3 24 function keys 3 24 multiple module external sourcing 3 26 cluster defined Glossary 2 clustered configurations 1 3 coaxial cables 1 4 1 8 1 15 A 2 compound action defined Glossary 3 compound event defined Glossary 3 Index 1 Index Config menu 3 1 3 10 3 118 acquisition memory field 3 2 function keys
104. emory depths for a 92A96SD Module with 512K per channel of memory Table 3 5 Memory Depth Selections for 512K Modules Operating Mode Clock Rate General Purpose High Speed Timing 1 ms to 10 ns 1ms 5ns 2 5 ns 524 288 1 048 576 2 097 132 262 144 524 288 1 048 576 131 072 262 144 524 288 65 536 131 072 262 144 32 768 65 536 131 072 16 384 32 768 65 536 8192 16 384 37 268 4096 8192 16 384 2048 4096 8192 1024 2048 4096 512 1024 2048 256 512 1024 128 256 512 64 128 256 64 128 64 3 8 92A96 amp 92C96 User Manual Setup Menus Table 3 6 shows the selectable memory depths for a 92A96UD Module with 2M per channel of memory Table 3 6 Memory Depth Selections for 2M Modules Operating Mode Clock Rate General Purpose High Speed Timing 1msto 10 ns 1ms 5ns 2 5 ns 2 097 132 4 194 304 8 388 608 1 048 576 2 097 132 4 194 304 524 288 1 048 576 2 097 132 262 144 524 288 1 048 576 131 072 262 144 524 288 65 536 131 072 262 144 32 768 65 536 131 072 16 384 32 768 65 536 8192 16 384 37 268 4096 8192 16 384 2048 4096 8192 1024 2048 4096 512 1024 2048 256 512 1024 128 256 512 64 128 256 64 128 64 Latch Mode Latch mode captures single 180 degree transitions with respect to the input threshold level first order glitches that occur between clock cycles When a glitch occurs it is represented in the display of the next clock cycle as the opposite logic level of the level displayed in the previo
105. en gaps are turned on in the Format Definition overlay The symbol gt indicates that the data exceeds the specified line length maximum 300 characters If you define more characters per line than can fit on a page the data prints either on the next line or runs off the page depending on the type of printer 92A96 amp 92C96 User Manual Display Menus Timing Menu 92A96 amp 92C96 User Manual The Timing menu shows the values of the data samples for each individual channel in a digital two state waveform It also lets you see channel groups as bus values The Timing menu is the best tool for determining the relative timing between individual channels The number of channels in a group determines the default format of the traces and bus forms in the Timing menu By default any single channel group is shown as a trace any group with two to fifteen channels is shown as individual traces and in the form of a bus and any group with sixteen or more channels is shown in the form of a bus If you change the format of the Timing menu all the default bus forms and channel traces are available as selections Figure 3 39 shows a sample Timing menu Fafa play Timing HEMCLK Addrena Data Fa F5 F MARE DEFINE CEFTHE DATA FORMAT SEARCH Fac 7 j tie Lie Back i Lee Peli MOTE fare a u Ga r mema mas Figure 3 39 Timing Menu The Timing menu has the following fields and features m Magnifica
106. er Instruction manuals that accompany various microprocessor disassembler application software packages The field selections for the overlay of the General Purpose Disassembly menu are a subset of the fields of specific microprocessor packages The Disassembly Format Definition overlay has the following fields and features m Mode field Hardware disassembly is the forced disassembly mode m Register Display field The display of registers is forced off m Scroll By field This field shows that scrolling through data is by memory location This is the only selection enabled m Address Radix field This field specifies the radix of the Address group bus hexadecimal or symbolic If you select symbolic a field appears to enable selection of the symbol table file m Timestamp Display field This field enables display timestamps of data and determines whether the values are absolute with respect to acquisition start or relative to the preceding sample 92A96 amp 92C96 User Manual Display Menus Disassembly Search Definition Overlay 92A96 amp 92C96 User Manual m Highlighting field The Highlight function is forced off m Display Operation This field specifies whether to show or suppress the display of particular disassembly data refers to address bus values The default is all possible address bus values m Range of Display These fields specify the range of address bus values to show or suppress m Add Display
107. es and bit patterns that identify instruction opcodes You can be general for example ADD 01XXXXX to match all variations of ADD instructions or specific ADD_RO_RI 0100 0001 ADD_RO_R2 0100 0010 4 Goto the Channel menu and select the symbolic radix and specify the appropriate symbol table file for both the Control and Data groups After completing these steps acquiring data and moving to the Disasm menu you should see Data group symbol names displayed in the Mnemonics column for FETCH cycles next to the Control group value displayed in binary For all other cycles you will see the appropriate Control group symbol You can interactively add new symbols representing opcodes to the disassembler by toggling between the Disam menu and the Symbol Editor menu and adding new symbols for opcodes not displayed symbolically Use the Disassembly Format Definition overlay to select the display radix for the Address group to select whether and how to display the timestamp for the data sequences and to select whether to show or suppress the display of disassembly data for a specific range of acquisition memory locations see Figure 3 47 3 107 Display Menus 3 108 TERESERBLY FORMAT DEFIKITIOM uppat Genera FPurposa Hodei Re yi fT Sora By Timeatarnp Dhaplays Highlight PRIHI Hoik FEHU Figure 3 47 Disassembly Format Definition Overlay The Disassembly Format Definition overlay is described in detail in the Disassembl
108. est or both in multicard module formations 92A96 amp 92C96 User Manual 3 43 Setup Menus Multiple Clauses A trigger state can contain up to eight clauses event action statements Figure 3 16 shows a state with multiple clauses Ciustar i SCASED 1 Setup Trigger wer tones eh Bll Lacie ra Ford ner Counter ter ger Word ner Counter Fi Fa START DEFAULT ACT iumtur i TRIGGER LIBRARY Pacs a Semin a aa a ie E E E E flagg i Best Figure 3 16 A Multiclause State The program in Figure 3 16 uses multiple clauses in a single state to cause the module to trigger if address 00001111 is accessed 5 times or if address 00005555 is accessed 100 times or if the value of the data group is within the range A0000000 through AFFFFFFF The first clause in a state is always labeled If When you add more clauses to the state they are labeled Or If A state is not like a section of code that executes top down line by line Every clause in a multiclause state is looked at simultaneously If the event portion of any clause is true the action s for that clause is executed regardless of the position of the clause within the state If more than one clause is true in a cycle the actions for every true clause are executed unless the actions are conflicting refer to Conflicting Actions on page 3 45 3 44 92A96 amp 92C96 User Manual Setup Menus Compound Events and Actions A compound event
109. etup Print overlay 3 66 State Format Definition overlay 3 81 3 82 State menu 3 78 Threshold Definition overlay 3 18 Timing menu 3 93 Trigger Library overlay 3 57 3 58 3 60 fl 92A96 amp 92C96 User Manual Index Trigger menu 3 28 functional block diagram 2 1 G gaps in sequence numbers 3 83 General Purpose support 2 8 3 4 glitches capture 3 9 defined Glossary 4 latch mode 3 9 Graph Format Definition overlay 3 102 channel group range 3 102 plotting mode 3 103 Graph menu 2 10 3 100 3 105 channel groups 3 102 cursor location 3 101 cursor positioning 3 102 data cursor 3 102 Format Definition overlay 3 102 function keys 3 102 group values 3 102 magnification 3 101 memory domain 3 101 memory locations 3 102 range bar mode 3 104 3 114 sample point mode 3 103 3 114 trigger mark 3 102 user mark 3 102 graticule 3 93 group adding sections 3 14 deleting sections 3 14 name 3 11 3 15 probe section label 3 19 radix 3 15 sections 3 12 3 13 suppressing the display 3 15 H high resolution timing analysis 3 117 High Speed Timing support 2 8 3 4 3 117 3 124 acquisition 3 124 channel availability 3 117 3 119 3 121 channel events 3 123 clocking 3 121 consec cycle events 3 123 display 3 124 memory depth 3 117 range events 3 123 recognizer reso
110. ext default trace after the line cursor Use this function key to rebuild the default display order of the trace listing 3 97 Display Menus Timing Search Definition Overlay Timing Print Overlay 3 98 Use function key F3 DELETE TRACE to delete the trace associated with the current position of the line cursor from the displayed listing The trace however still exists in the list of all possible traces The next trace in the listing becomes the new trace assigned to that position in the order The Timing menu is updated when you press F8 EXIT amp SAVE Use function key F4 ADD TRACE to displays a list of traces from which you can select a trace to add to the current trace listing You can add the same trace to the trace listing as many times as you desire To add a trace position the line cursor above the trace line to be added and select function key F4 ADD TRACE and select desired trace The highlighted trace is then added below the line cursor Use the Timing Search Definition overlay to define searches you want to execute in the Timing menu When you define a timing search each search type has its own menu functions and associated fields The search types follow Timestamp m Memory Difference m Value m Qualification Gap m Not Value The Timing Search Definition overlay works exactly like the State Search Definition overlay Refer to the State Search Definition Overlay on page 3 85 for information on the overla
111. f acquisition memory thus the trigger position you selected is ignored A Trigger Range field will be displayed to the right of the Trigger Position field when you select memory depths greater than 128K as shown in Figure 3 11 This field will not be displayed for memory depths of 128K or less The Range field reflects the Trigger Position field with respect to the total amount of acquisition memory SCASESD 3 setup Figure 3 11 Trigger Position Field with Trigger Range Field Displayed Be aware that when you select memory depths greater than 128K you will observe limitations of the trigger positions Table 3 12 shows when these limitations occur with various 92A96 Modules Table 3 12 Memory Depth Trigger Position Limitations High Speed Timing Module General Purpose 1ms 5ns 2 5 ns 92A96SD 92A96UD 128K 256K 512K 92A96XD 2 92A96X La 92A96 92A96 amp 92C96 User Manual Setup Menus Creating a Trigger Program 92A96 amp 92C96 User Manual The trigger location is always within the last 128 K locations of the acquisition memory If you want to store more samples than the Defined selection allows you can define a counter or counters in the trigger program to delay the actual trigger by the desired number of sample cycles You could also use one of the Trigger Library selections such as Trigger on Anything with Extended Postfill to store more samples after an event is recognized
112. field of the first state and Yes in the State Store field of the second state only the data that is sampled while you are in the second state of the program is stored Combined Qualification When you select Combination in the Store field both the Store Event and State Store fields are added to the Trigger menu In this mode the two types of storage qualification are ORed together if either condition is true the sample is stored For example Figure 3 18 shows that while the 92A96 Module is in the control of State One only words that meet the Store Event condition or the trigger condition are stored While the 92A96 Module is in the control of State Two all samples are stored Storage Qualification Interaction with the Trigger Program Use Store and Don t Store actions in the trigger program to enhance or fine tune any of the basic storage methods you set up through the selection in the Store field described above For example the No Cycles selection in the Store field takes advantage of this feature allowing you to store only those cycles that you qualify with the Store action Also use the Don t Store action to disqualify data beyond that disqualified by the Store Event and state storage The Trigger menu event selections share internal hardware pattern recognizer resources that create some constraints on trigger program operations Figure 3 19 shows the allocation of event resources Each unique word and channel event uses one
113. g menu to display as state table values in the current radix rather than as timing waveforms The displayed radix value is taken from selections made in the Channel menu but can also be changed using the Edit Groups function in the State Format Definition overlay To control the display of state values select On or Off m Memory Differences This field appears when you select Memory Differ ences On It indicates the acquisition module or reference memory data file that is compared with the current data source The data width of the items being compared must match for example a reference memory compared with an acquisition memory Memory differences are displayed as red characters in the source data m Align field The Align field lets you align the samples of the displayed memory with the samples of the comparison memory starting at the first sample or at the trigger location When you compare the differences between two memories and each has portions that do not overlap the other the portions that do not overlap are not included in the comparison and do not show any memory differences Acquisition memory depth trigger position and the alignment of the starting point for memory differences between the compare file and compare source can cause the memories not to overlap For information on how to calculate the memory differences offset value for correlated data refer to the description of Memory Differences on page 3 83 m Memory D
114. ger value for better resolution 3 If you choose the internal clock mode in the Clock menu select a new sample rate by changing the clock period in the Timing menu clock period field For example choose a 20 ns clock period for a new acquisition at 50 MS s and acquire the data at the new sampling rate Change the Display of Data Tracking Cursor Position 2 10 in Data Once you acquire and display data you can change the display to help you view it in ways that assist in its analysis Use the Cursor sequence field to track your position in the data This field is included in all displays to indicate the sequence number memory location of the data that the cursor is positioned on To quickly move through displayed data type in a desired sequence number the number you type appears in this field then press the Return key The data surrounding that sequence position displays 92A96 amp 92C96 User Manual Operational Overview Changing Radixes The State and Timing menu channel groups use the same group radixes you selected in the Channel menu Input Radix field But you can change the group radixes in the State or Timing Format Definition overlay To change the display radix follow these steps 1 Select function key F5 DEFINE FORMAT to open the State or Timing Format Definition overlay 2 Choose Edit Groups as the format definition function Then open the radix field of the group you want to change and select t
115. gger Library Overlay on page 3 57 for information on using the Trigger Library 92A96 amp 92C96 User Manual Setup Menus 92A96 amp 92C96 User Manual Since the trigger position only guarantees the amount of memory filled after the trigger occurs you can encounter situations where the trigger occurs soon after acquisition begins and little or no data is acquired before the trigger position setting in acquisition memory In this case you may only fill a portion of the acquisition memory For example if you set the trigger position at 50 of acquisition memory start the acquisition and the trigger occurs almost immedi ately only half the acquisition memory is filled with post trigger data and little or no pre trigger data is acquired in acquisition memory Thus the trigger location is approximately at the lowest numbered sequence displayed A specific event can be used several times in a trigger program For example though you are limited to eight unique word events each one can be used several times throughout the trigger program with the value remaining the same in each instance This applies to the other event types too Channel flag and signal events all allow a target value of Don t Care While this value is selected the event won t consume a recognizer resource since the event is always true Event Resource Combination Limitations There are limits on the number and combination of recognizer resources that can be
116. hannel Name column for the channels assigned to that group Each group can contain a maximum of 32 channels 3 83 Display Menus 3 84 STATE FORMAT DEFINITION ae Edit Groupa Order Group himp Contrai PRIMI a Figure 3 35 State Format Definition Overlay Edit Groups Function The Radix field lets you select the group display radix Selections are Bin Oct Hex ASCII Sym and Off If you select Off the group is not displayed When you add a timestamp group from the overlay the group is assigned one of the following radixes TS_Abs absolute TS_Delta or TS_Prev previous The absolute radix specifies an absolute time measurement from the start of the acquisition The delta radix specifies a time measurement from the delta mark to that sequence The previous radix specifies a time measurement since the last sequence If a measurement relative to the trigger is desired place the delta mark on the trigger sequence and select the TS_Delta timestamp radix All future measurements for that timestamp group will be relative to the trigger Use the Symbol Table File field to select the symbol table file for the group you are editing You can use one symbol table per group Use function key F2 NEXT GROUP to insert the next default group after the line cursor Use this function key to rebuild or reorder the default display order of the channel groups 92A96 amp 92C96 User Manual Display Menus Use function key F3 D
117. hannel Interface Pin Assignments 92A96 Channel Name 90 Channel Interface DIN Connector 92A90 Channel Name Clock 3 B21 CLK 3 C1_4 data B21 Clock 2 B19 CLK 2 C1_0 data B19 Clock _1 B23 CLK 1 C0_4 data B23 Clock_0 A22 CLK 0 C0_0 data A22 C2 3 qua B11 QUAL 3 C3 4 data Bll C2 2 qua A9 QUAL 2 C3_0 data A9 C2 1 qua C10 QUAL 1 C2_4 data C10 C2_0 qua Cll QUAL 0 C2_0 data Cll C05 C27 C0 3 C0_3 B25 C0 2 CO 2 A24 C0 1 C01 C25 C0 0 A3 7 B14 A3 7 A3 6 A14 A3 6 A3 5 C15 A3 5 A3 4 A15 A3 4 A3 3 B15 A3 3 A3 2 Al6 A3 2 A3 1 C16 A3 1 A3_0 C17 A3 0 A2 7 C20 A2 7 A2 6 C19 A2 6 A2 5 C18 A2 5 A2 4 B17 A2 4 92A96 amp 92C96 User Manual Getting Started Table 1 3 92A96 90 Channel Interface Pin Assignments Cont 90 Channel Interface 92A96 Channel Name DIN Connector 92A90 Channel Name A2_3 B18 A2 3 A2 2 A17 A2 2 A2 1 A19 A2 1 A2 0 A18 A2 0 Al7 Al A1 7 Al 6 Bl A1 6 A15 B2 A1 5 Al 4 C1 A1 4 Al 3 C2 A1 3 A12 B3 A1 2 Al 1 C3 A1 1 A10 A2 A1 0 A07 A30 A0 7 AO_6 B30 A0 6 A0_5 B32 A0 5 A0 4 A32 A0 4 A0 3 C31 A0 3 AO 2 C32 A0 2 A0 1 A31 A0 1 A0_0 B31 A0 0 D3_7 A13 D3 7 D3 6 A12 D3 6 D3_5 B13 D3 5 D3 4 All D3 4 D3 3 C12 D3 3 D3 2 C14 D3 2 D3 1 C13 D3 1 D3_0 B12 D3 0 D27 A3 D2 7 D2 6 A4 D2 6 D25 B6 D2 5 D2 4 C4 D2 4 92A96 amp 92C96 User Manual 1
118. he desired radix 3 After you make the desired selections select function key F8 EXIT amp SAVE This returns you to the State or Timing menu You can only select the symbolic radix format if you created a symbol table for the module you are using A symbol table is composed of numeric values or ranges and symbolic names each name associated with a value or range If you select a symbolic radix you must also select the file name of the symbol table that the symbolic values or ranges are in Use one symbol table per group Tracking Acquisition You can display a set of acquisition parameters to the upper left of the display Parameters menus The acquisition parameter information includes the final status of any counter or timer trigger actions used and whether the data was acquired with Latch mode turned on To change the display selections including acquisition parameters perform the following steps 1 Select function key F5 DEFINE FORMAT to open the State or Timing Format Definition overlay 2 Choose Select Options as the format definition function Then choose which Display Selections you want from the Select Options window of the State or Timing Format Definition overlay 3 After you make the desired selections select function key F8 EXIT amp SAVE This returns you to the State or Timing menu Searching for Data Use the State or Timing Search Definition overlays to define the specific data you want to see in either the
119. i E g i Figure 3 23 Measuring the Time Between Words Avoiding Trigger Program Problems The following list contains trigger program ming techniques and operating characteristics that when combined lead to unexpected operating behavior Make a special effort to either avoid them or to take extra care in creating programs that contain these conditions m Conflicting actions Be careful when you create programs where more than one clause could be true at the same time The actions for the events may conflict in a way you don t want m Undefined trigger states Don t create programs with a GO TO STATE action that references a state you don t have m Trigger state references Don t delete states that you have referenced GO TO STATE actions to unless you change the reference to another appropriate state or delete the GO TO STATE action 92A96 amp 92C96 User Manual Setup Menus m Trigger and store Don t expect any other storage qualifications to be executed when you use a Trigger action it always forces acquisition storage at that cycle m Default trigger Don t expect the Store field setting to go to its default setting when you press F2 DEFAULT TRIGGER only the fields below the dotted line in the Trigger menu are affected m Start and stop timers Don t forget to explicitly start restart and stop timers they do not start and stop automatically at the beginning and end of the acquisition nor when th
120. iated energy away from the ribbon cables for instance a soldering iron m Connect the chassis of the mainframe to the chassis of your SUT with a grounding strap This ensures that the chassis of the two systems are at the same potential and provides better noise immunity for the acquisition m When acquiring ECL level signals use the optional coaxial type probe cables instead of the ribbon cables to avoid in soft errors m Avoid probing multiple threshold levels with a single 92A96 Module using the ribbon cable for example concurrently acquiring both ECL and TTL level signals use the optional coaxial type probe cables instead m Ina general purpose probing environment use a minimum of four ground connections up per cable including the ground on the clock input when running in External clock mode m Connect all the grounds to avoid degrading the performance of the 92A96 Module NOTE The ground on the podlets is a soft signal ground There is a 216 Q resistor in series with the ground pin This prevents damage to an ECL TTL CMOS output if you accidently connect the ground lead of the podlet to the signal side instead of the ground side The optional 90 Channel Interface lets you connect to certain microprocessor probe adapters Use the following procedure to accomplish this 1 Disconnect the probe cable from the interface housing 2 Reconnect the probe cable to the 90 Channel Interface as indicated by the fo
121. icable to user defined libraries only 3 58 92A96 amp 92C96 User Manual Setup Menus m Function key FS RESTORE ITEM replaces the current trigger program setup in the Trigger menu with the trigger program the cursor is on Not all parameters of the restored trigger program may be restored if the setup conditions for other menus have changed since the trigger program was originally saved For example symbols are only restored if the Channel menu group ordering and radix specifications are the same as when the trigger library item was saved Otherwise the values that the symbols currently represent are used m Function key F6 DELETE ITEM displays a pop up menu with two selections Delete User Library and Delete Library Item The first selection deletes an empty user defined library and the second selection deletes the trigger program the cursor is positioned on m Function key F7 ADD NEW ITEM displays a pop up menu with two selections Add User Library and Add Library Item The first selection adds a new user library and the second selection adds a line for a new trigger program description m Function key F8 EXIT amp SAVE closes the overlay and returns to the Trigger menu The Trigger menu will contain the last trigger program loaded if any by the F5 RESTORE ITEM key SCASED 1 IGGER LIEBRE tare T FE n Dat J ro g pt LI l ntsr Your Description Here aa Fa F5 REPLACE RESTORE ITEH ITEM PRIMI MITRA Figure 3
122. ides time correlation between modules in a cluster Use the timestamp values to calculate the elapsed time between any two acquisition cycles m Symbolic Data allows you to represent data symbolically by creating a symbol table to link symbolic names to specific data values or to a range of values These symbolic names can then be used to specify trigger setups and to evaluate acquired data Symbol tables must be created using the Symbol Editor utility menu or downloaded from a host computer before a symbolic radix can be used in the module setup and display menus Accessories Refer to Appendix B Accessories for a complete list of options and accessories for the 92A96 Modules Installing the Hardware If you purchased a TLA 500 Series Logic Analyzer or a DAS system with the 92A96 Modules already installed you only have to connect the probes and install the application software The following hardware installation procedures only apply if you need to install a 92A96 Module inside a DAS Mainframe If you do not need to install the 92A96 Modules in a mainframe skip to Connect ing the Probes on page 1 8 The information in this section is intended to make you aware of the configura tion and installation guidelines for the 92A96 Modules Be sure you read and understand these guidelines before you install a module in the DAS Refer to the User Service chapter of the DAS System User Manual for the actual installation procedures NOTE
123. ields For example if Clock_3 is selected in the Clock Select field then Clock_3 Clock_3 C2_3 and C2_3 are not selectable in the Qualifier fields To select the external qualifier terms choose between the remaining clocks and their complements or the remaining qualifier lines and their complements in the Qualifier fields Selecting a clock or its associated qualifiers in the Qualifier field inhibits its selection in the Clock Select field For example if C2_3 C2_3 Clock_3 or Clock_3 are selected in a Qualifier field then Clock_3 is not selectable in the Clock Select field NOTE At least one clock is always selected so at least two qualifiers and their associated active lows are always unselectable 3 25 Setup Menus Custom Clocking Trigger Menu 3 26 Multiple Module External Clocking If you use external clocking with a multiple module formation and you use a single external clock source you must connect the clock probe from each module to the same clock source For example if you create a multicard module containing two 92A96 Modules and you use Clock_3 as your clock you must connect the Clock_3 leads from both modules to the same clock source In fact this condition is also true for all signal lines in the clock equation the qualifier lines as well as the clock lines Custom clocking is used with microprocessor support software The custom clocking features and selections are discussed in detail in the
124. ifference You can specify an offset value that is applied to each sequence of the selected compare file The offset gives you a finer alignment than just using the beginning of an acquisition or the trigger position A positive number is compared against later samples in the compare source A negative number is compared against earlier samples in the compare source For more information about how to calculate the offset for memory differences between correlated modules refer to the description of Memory Differences on page 3 83 m Mask File The Mask File field lets you select a mask file to use during a comparison A blank field indicates that the comparison between the selected module and the reference memory will not use a mask file Mask files are created on a host computer and downloaded to the logic analyzer 3 95 Display Menus 3 96 m F2 REMOVE MARKS Function key This function key deletes all user marks in the active data window After selecting this function key confirm the deletion You cannot restore marks with function key F1 ESC amp CANCEL m F5 RESTORE FORMAT Function key This function key displays a list of Timing display format files that you can restore To restore a previously saved format file select function FS RESTORE FORMAT and select the saved format from the list The selections for both timing format functions Edit Traces and Select Options are restored The default settings for the Timing format funct
125. igger event recognizer are narrowed to match the reduced channel count in the High Speed Timing support Some event operations requiring special considerations follow m Word Events In High Speed Timing support the event must be present for twice the sample period 2 5 ns or 12 5 ns whichever is greater For 2 5 ns clocking the event must be present for four times the sample period 2 5 ns If the event is not stable for the required amount of time it might be missed as an event m Range Events Range events are not available in High Speed Timing support m Channel Events Inactive channels are not available in channel events m Consec Cycles Events Inactive channels cannot participate in the event The Section selection is 48 channels wide for a 5 ns or slower clock period and 24 channels wide for a 2 5 ns clock period in a single card module When the clock period is 5 ns or slower each cycle is actually composed of two adjacent samples so the consec cycles event becomes true when the concatenation of samples N and N 1 is identical to the concatenation of samples N 2 and N 3 In this case the consec cycles event is never true if there are less than four consecutive samples that are the same sometimes true if four consecutive samples are the same and guaranteed to be true at least once if five or more samples are the same When the clock period is 2 5 ns each cycle is actually composed of four adjacent samples so the consec cyc
126. ignal to an external device The Trigger menu lets you specify when the signal is asserted at the SMB connector on the 92A96 Module Included as a standard accessory to the 92A96 Module is a ground strap that helps reduce electromagnetic susceptibility to radiated emissions by improving the signal to noise ratio between the mainframe and your system under test Connect the ground strap between the ground lug at the rear of the mainframe and your system under test Diagnostics are run at power on to test for proper card configuration illegal configurations shut the system down and then to check the functionality of mainframe components operating software and all installed module cards When the diagnosticshave been successfully completed most instrument functions are verified 1 21 Getting Started Diagnostics take approximately 10 seconds per installed module Use the Diagnostics menu to view the results of the power on diagnostics see Fig ure 1 10 This menu reports the diagnostic results with a PASS or FAIL indication and a four digit error code If a diagnostic error is found record all error information and contact your local Tektronix service representative Utitittom Diagnostic Idia mai To a Ba a a mai a eno pisa na test Figure 1 10 Diagnostics Menu Showing Results of Diagnostic Testing NOTE On earlier versions of the DAS the Diagnostics menu was known as the Power up menu 1 22 92A96 amp
127. ime Selection Use the these fields to turn the Delta Time measure ment feature on and off and select the start and end points of the measure ment See Delta Time on page 3 76 for more information m Memory Differences This field appears when you select Memory Differ ences On It indicates the acquisition module or reference memory data file that will be compared with the current data source The data width of the items being compared must match for example a reference memory compared with an acquisition memory Memory differences are displayed as red characters in the source data m Align field The Align field lets you align the samples of the displayed memory with the samples of the comparison memory starting at the first sample or at the trigger location When you compare the differences between two memories and each has portions that do not overlap the other the portions that do not overlap are not included in the comparison and do not show any memory differences Acquisition memory depth trigger position and the alignment of the starting point for memory differences between the compare file and compare source can cause the memories not to overlap For information on how to calculate the memory differences offset value for correlated data refer to the description of Memory Differences on page 3 83 m Memory Difference Offset You can specify an offset value that is applied to each sequence of the selected compare file The offset
128. in certain tasks The application software resides on the hard disk as part of system software and can be loaded from floppy disks Assert To cause a signal or line to change from its logic false state to its logic true state Asynchronous Acquisition An acquisition made using a periodic clock signal generated internally by the logic analyzer such a signal is therefore asynchronous to the user s circuit and should be considerably faster than the user s data rate to avoid aliasing Card An individual circuit board which occupies a single slot in the logic analyzer mainframe An individual card may or may not constitute a module some modules consist of multiple card sets Clause A trigger specification term The combination of an Event and an Action When the Event is satisfied the Action is performed 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 only be sampled and stored in memory 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
129. in the following versions m 92A96 96 channels with 8K deep memory m 92A96D or 92C96D 96 channels with 32K deep memory m 92A96XD or 92C96XD 96 channels with 128K deep memory m 92A96SD or 92C96SD 96 channels with 512K deep memory m 92A96UD 96 channels with 2M deep memory The main difference between the 92A96 Modules and the 92C96 Modules is that the 92C96 Modules can be upgraded to have more memory up to 512K deep memory For example a 92C96D Module can be upgraded to have 128K or 512K deep memory and the 92C96XD Module can be upgraded to have 512K deep memory Since there are only minor functional differences between the different acquisi tion modules references to the 92A96 Module apply equally to the 92C96 Module unless noted otherwise All modules in this manual are referred to as 92A96 Modules The DAS 9200 is a highly modular digital analysis system Combined with available application modules and application software packages it can perform data acquisition and pattern stimulation for designing maintaining analyzing or repairing complex digital equipment The TLA 500 Series Logic Analyzers are compact preconfigured versions of the DAS A TLA 510 Logic Analyzer has a single 92C96 Module while a TLA 520 Logic Analyzer has two 92C96 Modules Because the TLA 500 Series Logic Analyzers operate identically to a DAS all references to the DAS apply to the TLA logic analyzers unless stated otherwise Getting Started User I
130. ing with the detent latch oriented to the label side of the housing C 4 92A96 amp 92C96 User Manual Appendix C User Service 2 If you are replacing a single podlet orient the podlet connector marked GND towards the side of the podlet holder labeled GROUND 3 Grasp the clear plastic pull tab on each side of the holder and gently spread the sides of the holder open just enough to clear the podlet 4 Hold the podlet body with the other hand and place it in the holder in the correct channel order Do not grasp and turn the podlet cable 5 If you are reganging all the podlets of an 8 channel probe begin ganging the podlets together starting with either channel 0 or channel 7 Orient the podlet connector marked GND towards the side of the podlet holder labeled GROUND 6 Hold the podlet body turn the podlet body parallel to the sides of the holder move it into the holder and use your fingers to press it into place perpendic ular to the sides of the holder Be sure to gang the podlets in the correct channel order according to the channel label on the podlet holder and podlet color code with all ground connectors toward the Ground side of the holder Do not place the podlet into the holder by grasping the podlet cable CAUTION To prevent damage to the podlets keep the podlet cables parallel to each other when ganging them into the holder Avoid twisting the podlet cables between the interface housing and the podlet holder
131. ion term Only one state or step in a trigger specification program is active at any one time Usually expressed in the form of an if then construction 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 Radix A format that allows you to substitute mnemonics names for radix numbers when using menus You enter your own mnemonics into the Symbol Table menu The logic analyzer will replace radixes throughout the menu structure with these assigned values Synchronous Acquisition An acquisition made using a clock external to the logic analyzer such a clock is usually generated by the user s circuitry and is therefore synchro nous to it This external clock may or may not be periodic Time Base Source of the acquisition clock The time base can be selected to be an internal source a single external source or a Boolean combination of several external signals Timer A device that lets you make time measurements during a data acquisition Timestamp A separate clock value stored with each acquisition cycle Provides performance analysis features and time correlation for multiple acquisition memories and timing measurements Timing Display Graphic representation of data states and timing relationships as digital two state waveforms TLA
132. ions can be restored by selecting the Default item m F6 SAVE FORMAT Function key This function key saves the selections made using the Edit Traces and Select Options functions of the Timing Format Definition overlay Selections for both functions are saved on the hard disk To save a file select function key F6 SAVE FORMAT and enter a file name m F7 DELETE FORMAT Function key This function key deletes saved Timing display format files To delete a format file select function key F7 DELETE FORMAT and select the file from the displayed list To confirm the operation press the Return key again Edit Traces Function Use the Edit Traces function to edit or reorder the display of groups in the Timing menu Figure 3 41 shows the fields and functions that appear when you select Edit Traces in the Timing Format Definition overlay The fields above the dashed line make up the edit line Use the mouse to scroll through the list of channel groups and update the information in the edit line Any change made to an Order or Radix field in the edit line is reflected in the channel groups listed below Changes you make in the edit line are not reflected in the State menu until you select function key F8 EXIT amp SAVE The line cursor identifies the channel group to edit numbering order starts at 0 For example if you enter a 22 in the Order field the remaining information for trace number 22 appears in the edit line and the line cursor moves to
133. l sections all qualified groups or a specific qualified group Anything no associated fields All sampled data make this event true 3 32 92A96 amp 92C96 User Manual Setup Menus 92A96 amp 92C96 User Manual Word Events Use the word events to find a specific data word on the input channels you specified in the Channel menu active channels only The default value for a word is all Xs don t cares When the group radix defined in the Channel menu is a range symbol table the word event uses the lower bound of the range as the word value and displays a new field in which to specify an offset address value for the group For more information refer to Input Radix on page 3 15 A word value must be stable at the probe tip for a certain amount of time to guarantee recognition by the word event this is also true for the range and channel events Refer to Appendix A Specifications for details Other word event guidelines are listed below m For external clock conditions a word must satisfy setup and hold times with respect to the external clock m For internal clock conditions in General Purpose support a word must be present at the probe tip for one clock period plus about 5 ns to compensate for channel to channel skew m For internal clock conditions in High Speed Timing support a word must be present at the probe tip for two clock periods or 12 5 ns whichever is greater Range Events Use the range events to
134. le 92C96D The configurable 96 channel 32 k memory 100 MHz data acquisition module This module can be easily upgrade for a memory depth of 128K or 512K 92C96XD The configurable 96 channel 128 k memory 100 MHz data acquisition module This module can be easily upgrade for a memory depth of 512K 92C96SD The 96 channel 512 k memory 100 MHz data acquisition module Acquisition The capturing of data from a system under test by a logic analyzer Data is conditionally stored in acquisition memory in preparation for formatting by the user Data may be clocked into the logic analyzer yet qualified out before it can be stored in acquisition memory Use the trigger menu of the appropriate acquisition module to specify whether or not data is stored Acquisition Cycle A complete data acquisition sequence including start search capture and stop phases Acquisition Memory The RAM located on each acquisition card where data from an acquisition is stored Acquisition Memory Sequence A single sample of acquired data to which a unique identification number is assigned As data is acquired each sample is assigned a consecutive sequence number Glossary 1 Glossary Glossary 2 Active Module The module highlighted by the cursor in the Menu Selection overlay Address A number or expression that designates a specific location in a storage or memory device Application Software Software packages designed specifically to aid
135. le if you specify a symbolic radix for a group in the Channel menu you can select a symbol name for the group value in the Trigger menu When you select a symbolic radix for a group in the Channel menu the select fields for that group in the event fields in the Trigger menu become as long as the longest symbol in the symbol table file up to 32 characters You can now select the desired symbol from the appropriate field When you select a symbolic value in this field the 92A96 Module looks through the specified symbol table for the matching symbol The 92A96 Module uses the corresponding value for the group value If the defined symbol value is wider than the channel group the least significant bits of the symbol value are used If the defined symbol value is narrower than the channel group the symbolic value is placed in the least significant bits of the channel group and the remaining more significant bits are set to Don t Cares for word events or zeros for range events In a symbolic field Xs are interpreted as letters rather than as Don t Cares and a blank symbol name represents Don t Care values A dollar sign represents an individual digit that cannot be resolved because of a combination of Don t Care bits and non Don t Care bits in an event parameter fill in field The number of channels represented by a digit in a group value depends on the radix you select for the group in the Channel menu For more informa tion r
136. le clock occurs Qualifier Lines The 92A96 Probes provide four level sensitive qualifier lines that connect to any signal point on the system under test Qualifiers C2_3 C2_2 C2_1 and C2_0 and their internally generated complements C2_3 C2_2 C2_1 and C2_0 are available as external qualifier terms Additionally the four clocks and their internally generated complements are available as level sen sitive rather than edge sensitive qualifiers in the External Qualifier fields You can use qualifiers to more accurately determine when to sample the data For example you can eliminate all direct memory access cycles from an acquisition by clocking only when the lines that indicate a direct memory access are unasserted To achieve this connect one qualifier to the direct memory access enable line and then AND it with the clock term in the sample clock equation Clock Equations The External clock mode lets you create clock equations to define the sample clock Clock equations are composed of clock and qualifier line inputs that are logically joined in a Boolean type equation using AND and OR operators A clock equation contains one clock term ANDed with up to three external qualifier terms see Figure 3 8 To select the clock term choose between Clock_0 Clock_1 Clock_2 or Clock_3 in the Clock Select field Selecting a clock in the Clock Select field inhibits its selection along with its associated qualifiers in the Qualifier f
137. les event becomes true when the concatenation of samples N N 1 N 2 and N 3 is identical to the concatenation of samples N 4 N 5 N 6 and N 7 In this case the consec cycles event is never true if there are less than eight consecutive samples that are the same sometimes true if eight nine or ten consecutive samples are the same and guaranteed true at least once if eleven or more consecutive samples are the same 3 123 High Speed Timing Support Acquisition Considerations For normal General Purpose operations the 92A96 Module accurately monitors trigger events at sample rates up to 100 MHz a 10 ns period When you select High Speed Timing support trigger events must exist for at least 12 5 ns or twice the sample rate whichever is greater or the trigger position accuracy is reduced When you select 2 5 ns clocking in High Speed Timing support the trigger event must exist for at least four times the sample rate 2 5 ns or the accuracy is reduced For example if you are running the 92A96 Module in High Speed Timing support with the internal sample clock set at 1 us a trigger event must be stable for 2 us to be guaranteed recognition Display Considerations 3 124 In most cases after you start acquiring data the 92A96 Module triggers and switches to a display menu The High Speed Timing support uses the same display menus as General Purpose support State Timing and Graph however there are some differences in the me
138. lls the State Search Definition overlay for the State menu After defining the search parameters use function key F7 SEARCH BACKWARD to search for data from the sequence before the cursor toward the first sequence number or use function key F8 SEARCH FORWARD to search for data from the sequence after the cursor toward the last sequence number Radixes Radixes displayed in the State menu are based on the group radix values you selected in the Channel menu Input Radix field To change the group display radix values use the Edit Groups function Radix field in the State Format Definition overlay You can select the symbolic radix format only if you have created a symbol table for the module you are using A symbol table is composed of numeric values or ranges and symbolic names each name associated with a value or range Symbolic radixes are available for the State and Disassembly menus Refer to Input Radix on page 3 15 for more information When you select a symbolic radix enter the file name of the symbol table that the symbolic values or ranges are in You can use one symbol table per group 3 78 92A96 amp 92C96 User Manual Display Menus The 92A96 Module timestamp groups are displayed using special radixes Timestamp radixes allow you to specify time measurements made relative to the start of the acquisition TS_Abs to a delta mark TS_Delta or to the previous sequence TS_Prev Timestamp radixes are available in the State
139. ls available the Clock menu also displays the amount of memory available The displayed value depends on the software support mode and the memory depth of the 92A96 Module you set the default acquisition depth in the Config menu 3 22 92A96 amp 92C96 User Manual Setup Menus External Clocking 92A96 amp 92C96 User Manual When you use High Speed Timing support selections of 5 ns 200 MS s and 2 5 ns 400 MS s are also available However changing to High Speed Timing causes some feature changes to occur the number of available acquisition channels is reduced and the available acquisition memory size is increased For example changing a 92A96 Module with 8K of acquisition memory for 96 channels of acquisition in General Purpose support to High Speed Timing support in the Config menu causes these memory size and channel availability changes m 16K of available memory for 48 channels of acquisition using 5 ns or slower clocking m 32K of available memory for 24 channels of acquisition using 2 5 ns clocking Use external clocking to synchronously acquire data from a system under test This type of clocking is best for producing state table diagrams of the system under test Figure 3 8 shows a sample Clock menu setup with External clocking F F Fa DEFAULT DELETE od CLOCKING ELE LIME CLE LIME Fock BI ea Gagea Ea ea a E E E E E E w Figure 3 8 The Clock Menu with External Clock Window Displayed 3 23
140. microprocessor support documentation that comes with the support software Refer to that documentation for information on the capabilities of the custom clocking for your particular software support The Trigger menu lets you create programs to control when the trigger occurs and what sampled data is qualified for storage in the 92A96 Module Use the Trigger menu to specify trigger conditions and storage qualification conditions to select a trigger position to control counters and timers and to communicate with other modules You can also use the Trigger menu Library overlay called from this menu to save and restore trigger programs that you create or to load standard trigger programs provided by the library Figure 3 9 shows an example of the default Trigger menu for a single card 92A96 Module 92A96 amp 92C96 User Manual Setup Menus 92A96 amp 92C96 User Manual Word Trigger Fai FE FT FA DEFAULT ACCES DELETE Fifi TRIGGER LIBRARY Pour Fu Se hhh Ga ea a a ai Pato oss E E E E E oa Figure 3 9 Trigger Menu The default Trigger menu has the following fields and features Trigger Position Indicator The Trigger Position indicator selects the trigger position in acquisition memory the position can be one of nine predefined locations 12 5 of the memory size apart or a precise value entered in cycles Refer to Setting Trigger Position on page 3 29 Store field The Store field selects the type of stor
141. n error of about 20 ns Also even when the 92A96 Module is in the same mainframe the correlation error could be up to 15 ns The trigger position for all correlated modules is labeled in the displayed data of the State Timing and Graph menus For State and Timing menus the main module trigger is labeled with a white T All other module triggers are labeled with a gray T For Graph displays the main module trigger is displayed in white for the first group red for the second group and blue for coincident triggers If you stop the acquisition before the trigger condition is filled a stop trigger is placed at the end of the acquisition memory You can use the State and Timing menus to display a set of acquisition parame ters These parameters are turned on and off from the format definition overlays The acquisition parameter information includes the final status of any counters or timers used and the Latched Data label if Latch mode was turned on in the Config menu The final value of a counter or timer is Event when it is used as an event rather than an action in the trigger program Figure 3 31 shows what these acquisition parameters might look like without the Latched Data label enabled These fields can be displayed in the State and Timing menus Figure 3 31 Acquisition Parameters State Menu When you use storage qualification through the Trigger menu time gaps occur between samples due to the qualifications Whe
142. n the Module Suppression field of the State Format Definition overlay m Select a menu that applies exclusively to a single module 92A96 amp 92C96 User Manual Display Menus 92A96 amp 92C96 User Manual For example the Disassembly menu of any microprocessor support package contains data sequences from a 92A96 a 92A16 or a 92A60 90 module only Data from other modules are not displayed suppressed If you were to look at the same data in the State Timing and Graph menus data from the other modules would be present When sequences are suppressed the remaining sequences are not renumbered The gap in the numbers shows how many sequences are missing When acquiring data with multiple correlated modules a master sequence number is generated for each sample that is acquired from any module in the correlated set The number of the cursor position is displayed in the Cursor sequence field If you suppress correlated modules from the display the master sequence numbers for the remaining modules are not changed Memory Differences When you use memory differences to display data from correlated modules the offset is calculated before the data is correlated When viewing correlated data the sequence numbers reflect the sample position in the interleaved data You cannot use the sequence numbers from correlated data to determine the offset value between the compare file and the compare source You can use the question mark
143. n this occurs no gap appears in the sequence numbers of a State or Timing menu however a single gray bar can be displayed on the first sequence after the qualification gap to indicate that samples were qualified out Turn this parameter on and off from the format definition overlays 92A96 amp 92C96 User Manual Display Menus Memory Differences Whenever you turn on Memory Differences in the State or Timing Format Definition overlays your current data is compared with itself another acquisi tion module or with a specified reference memory Differences are displayed as red characters in the source data User Marks User marks let you keep track of the data samples that have a special significance in your application You can place a mark on individual sequences of the State menu or on any column of the Timing or Graph menus Use marks to make delta time measurements or to move quickly through the data by jumping from mark to mark To place a mark position the cursor where you want the mark and select function key F4 MARK DATA Then choose a mark label from the selection field When you place a mark it is labeled with the next available letter from the set of letters A through M and A You can change the default label by selecting another letter from the list of available letters that displayed when you placed the mark When you try to define more than 13 marks the next new mark defined replaces the first original mark and ass
144. na Plotting Moda Fi F2 ESCAPE REMOVE amp CANCEL MARKS PRAT MITRA FEH Dist rim eT Figure 3 44 Graph Format Definition Overlay The Plotting Mode field specifies the mode in which the acquisition or reference memory locations are plotted against the group values Sample Point plots sampled data in a dot format Range Bar draws a vertical line between the minimum and maximum group values plotted for each representative range of acquisition or reference memory locations The function keys to the overlay operate similar to those in the State and Timing Format Definition overlays Sample Point Mode The Sample Point mode plots acquisition or reference memory locations in a dot format against group values Acquisition memory locations are plotted evenly across the horizontal axis of the screen Several memory locations may be represented by each point depending on the selected magnification factor Group values are plotted on the vertical axis according to their magnitude you can also plot non quantitative group values for example a group representing control lines 92A96 amp 92C96 User Manual 3 103 Display Menus Range Bar Mode 3 104 Since only one sample point or dot can be plotted for each representative memory location other samples included in the range of memory locations are not shown Therefore the Sample Point display shows a sampling of all possible points and does not provide the most accurate res
145. name in the Description field You can enter any alphanumeric description up to 52 characters After determining the program name select function key F8 EXIT amp SAVE your trigger program is saved The other way to create a trigger program is to build it directly in the Trigger menu and save it when you re ready To save the completed trigger program follow this procedure 1 BS Select function key F6 ACCESS LIBRARY Select the appropriate user defined library Select function key F7 ADD NEW ITEM Select Add Library Item A line appears that reads Enter your description here Enter any alphanumeric description up to 52 characters long in the Description field After entering the name of the trigger program select function key F8 EXIT amp SAVE to save the new trigger program The following figures show two trigger programs from the Tek library Figure 3 26 shows a simple trigger program from the Tek library The Prompt Visibility field of the Trigger menu is turned on 92A96 amp 92C96 User Manual 3 61 Setup Menus 3 62 Trigger arething lay Rothing Fa FE FT FE DEFAULT ATES DELETE api TRIGGER LIBRARY Sl a a Masci fie e Gen Figure 3 26 Simple Trigger Program Trigger Menu Figure 3 27 shows a complex trigger program from the Tek library It may be necessary to scroll through lengthy trigger programs In this example the trigger program is one and a half screens in length
146. nd PCL commands These menus control the operation of the specific module you are working with The 92A96 Module menus are described in this manual The 92A96 Data Acquisition Module has many useful features that make it ideally suited for high speed timing analysis software analysis other types of state analysis and microprocessor support The 92A96 Module offers two modes of logic analyzer operation depending on the software support you select in the Configuration menu The General Purpose support is intended for software analysis and the High Speed Timing support is intended for timing analysis All 92A96 Modules offer General Purpose refer to General Purpose on page 3 4 for more information software support with internal and external sample rates up to 100 megasamples per second MS s You can also select the High Speed Timing software support to operate the 92A96 Module with internal sample rates up to 200 MS s or 400 MS s You can combine up to three 92A96 Modules installed adjacent to one another in the DAS 9200 or two 92C96 Modules in a TLA 520 Logic Analyzer to create a variable width or multicard module formation General Purpose support provides up to 288 channels of acquisition in a three card module formation The 200 MHz High Speed Timing support provides up to 144 channels of acquisition in a three card module formation And the 400 MHz High Speed Timing support provides up to 72 channels of acquisition in a three card mod
147. nd symbolic names Each name is associated with a value or range of values When you select the Symbolic input radix a File field appears that lets you enter the name of the symbol table file you want to use Two types of symbol table files are possible range and pattern Range type files assign each symbolic name to a range of data values Pattern type files match each symbol name to a specific data pattern You cannot mix range and pattern symbols in the same symbol table file However you can use both types of symbol tables in the same menu when they are used with different channel groups 92A96 amp 92C96 User Manual Setup Menus Range symbol tables are made up of symbolic names and two columns of numeric values that let you specify the range of data values associated with each symbol name For example if you want to track when your program executes a function that always resides between addresses 0000 and 00FE you can enter the Symbol Editor utility menu and create a range symbol table Select a symbolic name such as function 1 in the symbol name column enter 0000 as the lower bound for the range and enter OOFE as the upper bound value After you save the symbol table you can specify it by name in the Channel menu for the address group and then specify the range by its symbolic name in the Trigger menu Pattern symbol tables are made up of numeric values and symbolic names associated with each value For example if you
148. ng a Clock Probe or 8 Channel Probe Podlet from the Interface HOUSING i storie fe Spt ae pene C 2 Replacing a Clock Probe C 3 Removing 8 Channel Probe Podlets from the Podlet Holder C 3 Replacing 8 Channel Probe Podlets 0 00 00 000 00005 C 4 92A96 amp 92C96 User Manual Table of Contents List of Figures 92A96 amp 92C96 User Manual Figure 1 1 Card Placement Guidelines for Optimum Cooling Figure 1 2 Connections to the System Under Test Figure 1 3 Probe Channel Color and Labels on an 8 Channel Probe Figure 1 4 Applying Slot Number Labels 0 Figure 1 5 Probe Connector Locations 0 000000 Figure 1 6 Connecting the Interface Housing to the 92A96 Probe Cable Figure 1 7 A 92A96 Probe Assembly and Lead Sets Figure 1 8 Connecting the 90 Channel Interface to a Probe Adapter Figure 1 9 Installing a DIN Connector in your System Under Test Figure 1 10 Diagnostics Menu Showing Results of Diagnostic Testing Figure 2 1 Block Diagram of 92A96 Module Acquisition and Storage Figure 2 2 A Start Up Operating Cycle for the 92A96 Data Acquisition Module 0 0 cece eee eee Figure 3 1 Config Menu 0 0 eee eee eee eee Figure 3 2 Channel Menu Figure 3 3 The Opened Section Field Channel Menu Figure 3 4 The Opened Input Radix Field Channel Menu Figure 3 5 Th
149. ng data from more than one module look and function similar to displays containing data from one module There are some cases where the accuracy of correlated modules is limited The limitations are as follows m Correlation accuracy is reduced whenever correlation is across DAS mainframes m Correlation may be inaccurate when there are few or no samples stored in one of the modules in a correlated set m Correlation with 92A16 Modules is only accurate with the direct correlated module correlation with other modules within the correlated set will be less accurate m Correlation accuracy is reduced by the number of modules physically installed between a 92A16 Module and the direct correlated module m Correlation accuracy is reduced if you manually stop the acquisition m The 92A16 Module samples should be completely overlapped by the memory of the direct correlated module correlation of 92A16 Module samples outside the overlap regions and near the beginning and end of memory may be inaccurate in many cases 3 73 Display Menus Trigger Labels Acquisition Parameters 3 74 Qualified Data m When triggering a 92A16 Module in a DAS expansion mainframe with a signal from a 92A96 Module in the DAS master mainframe the correlation relationship between the acquired data in the state display is incorrect m When correlating a 92A16 Module in one DAS mainframe with a 92A96 Module in another DAS mainframe there is a correlatio
150. nt to a group of channels from Control sections m All of the channels in the group must be in normal hardware order There can be missing channels Hardware order from the Address sections would be A3 most significant to AO with channel order within each section going from channel 7 most significant to 0 Data section hardware order is similar The default channel grouping in General Purpose support places channels in hardware order NOTE Avoid modifying channel groups used by a range event Any change to the channel groups can affect the range event operation Channel Events Use the channel events to recognize a specific logic level on an active channel The list of active channels depends on the software support selected in the Config menu the internal clock period selected in the Clock menu and the number of cards in the module formation Generally the more cards you have in General Purpose support the more channels you can choose from High Speed Timing support limits the available channels Counter Events Use the counter events to detect a decimal value on the selected counter from 1 to 4 294 967 295 Do not enter commas in the value However after pressing return to enter a value the number is redisplayed with commas added in the appropriate places The counter operator field selects when the event should be true There are at most two counters available Counters are controlled by their corresponding trigger program
151. nterface To 92A96 Cards iy OKIKI yaya aay Le TOILET LL IIILILILILILILIIITILILILILILILILILILILILIL ALILILIILILILIILILILILILILI II III IILILILIL SS SII III III III ALILILILILILICILILILILILILILILILICILILILILILILILIL ASSISI Das 9200 gt Cables 92A96 Probe Housing Clock Probe 8 Channel Probe System Under Test Probe Adapter Figure 1 2 Connections to the System Under Test 1 9 92A96 amp 92C96 User Manual Getting Started 1 10 Labels The four probe connectors cables and interface housings for the 92A96 Module have color coded labels supplied that you can affix to identify your probe connections Table 1 2 shows the color of both the probe connector and interface housing labels as well as the module card section and clock assignments Table 1 2 Probe Label Information Label Color Sections Clock Probe Cable Orange A0 Al CO Ck0 A Green A2 A3 C1 Ck1 B Blue DO D1 C2 Ck2 C Gray D2 D3 C3 Ck 3 D If you purchased the 92A96 Module separately locate the supplied Probe Locations label and affix it to the top of your DAS mainframe This label references each probe cable assembly to the appropriate 92A96 Module connector See Figure 1 5 for the appropriate label location Individual 8 channel probes are labeled with ground and channel assignments 7 0 only Ground and channel number order identification is marked on the podlet holde
152. nterfaces 1 2 There are three user interfaces available with the DAS and TLA logic analyzers menu driven stand alone system operation networked operation where the system is controlled by a remote workstation or programmatic command language remote system operation Stand alone system uses a color X terminal to access functional menus and view acquired data When used as a remote peripheral device the system is controlled using its Programmatic Command Language PCL via a host computer s GPIB RS 232C or LAN interface Local System Operation The system is controlled locally by a set of interactive menus System level menus resident in the system software are used to select and define the operation of all system level tools With these menus you can accomplish the following tasks m Define interactions between modules m Select the module or cluster of modules to work with m Select a system utility tool or software application For complete instructions on using system level menus refer to the respective system user manuals for the DAS or TLA 500 Series Logic Analyzers Remote System Operation With remote system operation the system is controlled by the PCL The PCL is a set of system commands including a command interpreter that control the system the same as the system level menus This manual does not discuss how to use the PCL interface to control 92A96 Module operations For complete instructions on using the P
153. nu parameters When you select High Speed Timing support the 5 ns and 2 5 ns clock periods become selectable in the Timing menu Clock period field You can normally select any clock from 1 ms to 5 ns in the Timing menu however when data is acquired using a 2 5 ns clock period the only clock period then selectable in the Timing menu clock period field is 2 5 ns This is because the number of available channels and the memory depth is different than the other High Speed Timing support clock periods If you do try to select any other clock period a warning message appears on the Timing menu reminding you to return to the Clock menu to make any changes The trigger position accuracy in High Speed Timing support is 1 sample or if the clock period is 2 5 ns 2 samples This can affect the accuracy of your Delta Time measurements whenever you use the trigger position as a reference 92A96 amp 92C96 User Manual 92A96 amp 92C96 User Manual rr uvri mm_ m mI III Appendix A Specifications This appendix contains specifications for the 92A96 Modules and 92C96 Modules in the following tables m Table A 1 Safety m Table A 2 Environmental m Table A 3 Physical m Table A 4 Electrical Specifications for the DAS 9200 mainframe are located in the DAS System User Manual Specifications for the TLA 500 series logic analyzers are located in the user manual for the specific TLA 500 series logic analyzer Table A 1 Safety Characteris
154. nus however you cannot split the Graph menu Use function key F2 SPLIT DISPLAY to call the Split Screen Definition overlay from one of the dis play menus Possible uses of a split screen display include the following m Look at two different areas of an acquisition at once For example you can use State menus to display the start of an acquisition in one window and the end of the acquisition in the other m Look at two different types of display menus for one acquisition For example you can display the same data in both State and Timing menus 3 111 Display Menus 3 112 m Comparetwo different acquisitions For example you could compare State menu displays for acquisitions from two different 92A96 Modules Use the overlay to select a module and display type for each window As with regular displays when you select a module from a cluster data from all correlated modules is brought into the display You can use the State or Timing Format Definition overlay to suppress data from unwanted modules All appropriate format definition and search definition overlays are available from either window of a split display Figure 3 50 shows the Split Screen Definition overlay This example shows the state menu of an acquisition memory about to be viewed next to the Timing menu of a the same module SCASED 1 Display SPLIT SCREEN DEFINITION ek by Wirda 2 Module Dis nta 7 OOF ii bi n Tining Fortino Tinin PRET Hrita
155. of channels within the group by reordering the assignment of channels in the group or you can add 32 sections with one channel each To delete a section from a group move the cursor to the Section field you want to delete select function key F7 DELETE and select Delete Section From Group A Slot_Sect label appears under the Probe label to map the card slot numbers to the sections in the module when you have created a module formation with more than one 92A96 Module 92A96 amp 92C96 User Manual Setup Menus Channels The Channels list lets you select the channels you want grouped together from a given section After you select a section for a group move the cursor to the Channel field and type in the numbers of the channels you want to use from that section You cannot assign a test input to more than one channel group unless it is connected to more than one probe input channel Channels can only be used in one group at a time when you press the Return key to exit this field any channels that were previously assigned are deleted from their old group However you can assign one input to two groups by attaching two leads to the input The order of the channels determines their significance The top leftmost channel in the group is most significant and the bottom rightmost channel in the group is least significant You can include a maximum of 32 channels in a channel group Group Name The group names you enter in the Chann
156. olution for displaying data until you select the highest power of magnification available the highest magnifica tion plots only one acquisition memory location per pixel column across the horizontal axis of the screen Due to the nature of the sample point display mode there may be several data points not displayed for each pixel column Without using the highest magnifica tion factor you cannot be sure whether data points that are not displayed are actually missing They could be missing because of an actual lack of data or because of the way in which a representative sample was picked for display Use the Range Bar mode to see the range of group values for a range of memory locations see Figure 3 45 Since a horizontal pixel usually represents multiple group values except at the highest magnification the Range Bar mode draws a line between the maximum and minimum group values on the vertical axis represented by each horizontal pixel column and plots it against its memory location on the horizontal axis At the highest horizontal magnification one data point per pixel column the the Range Bar mode is equivalent to the Sample Point plotting mode If both the minimum and maximum points are outside of the display range the vertical line stretches the entire height of the data display area This can be misleading when these two points are plotted causing the display to appear as though there may be additional group values between thes
157. onbrirast ron i 19 fh n Ll Bpan Tuo Data BRBAGSSS mI Fa DEFAULT TRIGGER ELE PHE Fini ii ih kn a Per tres tica EE ia fai fiji ii fai lhe ee Figure 3 21 Detecting a Sequence of Events Within Time Constraints Figure 3 22 shows a trigger program that stores samples when one of the following conditions is met when the input signal signal in is asserted when in trigger state two between addresses 00001111 and 00005555 or when the data group value is in the range A0000000 through AFFFFFFF 3 54 92A96 amp 92C96 User Manual Setup Menus asserted ERBHII1E Word Go To Stoke Trigger PL ra PE Fr START DEFAULT CLE 34 DELETE Cluster i TRIGGER dii eee aed Figure 3 22 Advanced Storage Qualification Trigger Program Figure 3 23 shows a trigger program that uses timer 1 to run the module for exactly 15 seconds During this time timer 2 is used to accumulate the total amount of time spent between addresses 00002222 and 00007777 Later you can calculate the percentage of time spent between addresses 00002222 and 00007777 by dividing the ending value of timer 2 by the total acquisition time 15 seconds 92A96 amp 92C96 User Manual 3 55 Setup Menus 3 56 Ciuatar 1 STASED 1 Setup Trigger FH 15 008 pa EEI 82 Tires 1 a2 Stop limer ro anesthing Do Rnthing Fl Fa START DEFAULT Cluster i TRIGGER ce he eee in 7 FI do
158. or 2 samples if the clock period is 2 5 ns For example when you select IT all but a few of the stored samples occur after the trigger when you select _ _T all but a few of the stored samples occur before the trigger Each increment in the trigger position display represents a change of approximately 12 5 The memory depth selected in the Config menu determines the exact number of data samples that this represents For example if the memory depth selected is 8192 each trigger position represents approximately 1024 samples If the approximate trigger positions do not fit your needs you can define the exact number of cycles to be stored after the trigger by selecting Defined in the Trigger Position field This selection causes a new field to appear so you can enter a value The maximum value for this field depends on the memory size you specified in the Config menu Remember this value varies with the memory capacity and the software support mode you ve selected Refer to Acquisition Memory on page 3 5 for details 3 29 Setup Menus 3 30 As an example Figure 3 10 shows the top portion of a Trigger menu with the trigger set to 6144 samples before the end of the acquisition memory Figure 3 10 Trigger Position Field with Defined Selected NOTE If you press F1 STOP before the acquisition memory is full the 92A96 Module halts acquisition and places a stop trigger at the end o
159. or example changing to High Speed Timing support eliminates the selection of range events in the Trigger menu because channel availability is reduced Other parameters affected by the software support mode are acquisition memory depth and clock and trigger source availability You will be prompted to verify your selection to change software support modes A module formation must contain the exact number of channels needed by the support software package you have installed or an error message displays to tell you to use a narrower or wider module formation whichever is necessary You cannot select the application package until you have the the appropriate number of channels available Use the System Config menu to change your module configuration Refer to the user manual for your DAS or TLA 500 series logic analyzer for information on how to change the module configuration 92A96 amp 92C96 User Manual Setup Menus Acquisition Memory 92A96 amp 92C96 User Manual The default memory depth values shown in the Acquisition Memory field of the Config menu depend on the amount of acquisition memory available the software support mode and the clock rate in High Speed Timing support Selecting High Speed Timing support changes the memory depth values High Speed Timing support clock settings at 5 ns or greater as selected in the Clock menu double the memory depth values while a 2 5 ns clock quadruples the memory depth Table 3 2 shows the
160. or the specifications of each All versions of the 92A96 Module support 32 bit microprocessor disassembly See the individual microprocessor support user manuals for complete micropro cessor specific information The 92A96 Module provides these tools to make complex digital analysis tasks easier m Real time Control controls the real time acquisition of data using the Trigger menu It offers state machine triggering with up to 16 states You can place the trigger precisely where it is needed to solve your problem Use the Trigger menu to do the following tasks m Time the duration of an event or measure the elapsed time between two events m Count the number of occurrences of an event or sequence of events m Send signals to other modules or receive signals from other modules under user specified conditions for example you can set up to trigger on the reception of a signal m Storage Qualification controls which data gets stored by using the Trigger menu to qualify or disqualify any data acquired under specific conditions This avoids filling the acquisition memory with unwanted data 92A96 amp 92C96 User Manual Getting Started m Timestamping allows delta or elapsed time measurements by using the data timestamp A timestamp is saved with every data acquisition that measures and stores the elapsed time from the start of an acquisition to the acquisition clock of each cycle It has up to a 2 5 ns resolution and prov
161. or up to eight events that are either ANDed or ORed together The action portion can contain one action or up to eight actions that are all performed simultaneously when the event occurs Only one state is active at a time Control remains in the active state until an explicit user defined action is performed to cause a transition to a different state The event portion specifies the condition to look for and the action portion specifies the actions to be performed by the module when the associated event occurs is true Thus the events and actions define the state Choosing Events The 92A96 Module provides nine types of events to choose from in an Event field Events have parameter fields that require you to select or enter a value Select fields require you to choose from a list of options Fill in fields require you to enter a data value in the radix you have selected for the channel group in the Channel menu except for counter and timer fields Table 3 13 lists the events and their associated fields or selections 3 31 Setup Menus Table 3 13 Events Available in the Event Field Event Type Associated Fields and Description Word Address Data Control 1 2 3 8 H XXXXXXXX XXXXXXXX XXXXXXXX Look for a specified word at the input channels The ID number identifies a unique hardware register that is assigned the target value to match Enter the value you wish to look for leaving Xs in the digits you are not concerned with
162. orage Qualification 00 Stage 3 Storing Data iii Soe a ES Ses Be ee 92A96 Module Menu Overview cccccccccccccccceccece Setup Menus Display Menus Overlays Monitor Menu xi xiii xiii xiv xiv Reale ad Ne WWW WwW Ww ph pen p pe p pn n n k 1 10 1 11 1 12 1 13 1 15 1 15 1 16 1 21 1 21 1 21 2 1 2 1 2 1 2 2 2 3 2 4 2 4 2 5 2 5 Table of Contents Operational Overview c cc cece cnc cnsccccccccnscnsees 2 7 Install Hardware and Software 0 0 0 0 eee eee eee eee 2 7 Connect the Probes ic ierant on SR a seh ol NE AE ola 2 8 Set Up the 92A96 Module ccno oeiee piai eee eee 2 8 Select the Software Support Mode 00 00 0022 eee eee 2 8 Define Channel Groups LL 2 8 Select the Clocking Mode L eee ee eee eee eee 2 9 Select the Trigger Parameters 0 00 0 cece ee eee eee 2 9 Acquire Data coil le RA ge Sead See hk weed dee lsd es 2 10 Display Data pori ila es Siete Bos Bob Ae se RAE Se Shen a oes Pas 2 10 Change the Display of Data 2 10 Tracking Cursor Position in Data 2 10 Changing Radixes c psonn a iia I Sida R Bas 2 11 Tracking Acquisition Parameters 0 0 0 cee eee eee eee eee 2 11 searching for Data socie dele li 2 11 Creating User Marks iii cat aa 2 12 Measuring Delta Time 2 12 Timestamping Data LL 2 13 Printing Screens 3 0 6 ase ete sai hoe ates We ha N E das 2 13 Splitting the Displa
163. ose a mark label from the selection field Refer to User Marks on page 3 75 for more details on user marks You can measure the delay time between any two data points Turn Delta Time measurements on using the Select Options function in the State or Timing Format Definition overlay and then select the measurement reference points For example you can measure the time between the cursor and a delta A mark you place see user marks above or you can measure the time between the cursor and the trigger In fact you can select any of the following locations as the start or end point of the measurement m Cursor m Trigger m First Acq 92A96 amp 92C96 User Manual Operational Overview Timestamping Data Printing Screens Splitting the Display 92A96 amp 92C96 User Manual m Last Acq m Delta Mark Refer to Delta Time on page 3 76 for more details on using Delta Time measurements When viewing data in the State menu the 92A96 Module offers a timestamp The timestamp is a timer that starts when you select function key Fl START It measures the time between the start of acquisition and each sequence absolute time the time between the delta mark and each sequence delta time or the time between each sequence previous time The timestamp value is stored with every acquisition cycle and can be displayed in its own column in the State menu To add a timestamp group column to the display follow these steps 1 Sel
164. ou can select Yes default setting to store and No not to store Store Event Qualification When you set up a Store Event sampled data must match the condition you set up in order to be stored If the Store Event is true the cycle is stored For example you can set up the Store Event so that only specific cycle types are stored To do this you need to identify the signal lines channels that control that cycle type enter the value that is present when that cycle type occurs into the channel group fields of the Store Event word event and then enter Xs don t cares into all other channels of the word event 92A96 amp 92C96 User Manual Setup Menus Trigger Program Constraints 92A96 amp 92C96 User Manual Event resources used in the Store Event count against the eight event resources available in each state of a trigger program The Store Event can also be a compound event This means that you can AND or OR up to eight conditions together For example you could add a range event to the previous example to specify a range of addresses in which to recognize the desired cycle type You would thus capture only the specific cycle types that fall within or outside the given range with the same channel group value State Qualification You can store or discard data acquired while under the control of any state of a trigger program For example you can set up a two state trigger program If you select No in the State Store
165. ouping Label green 1 334 8249 XX Channel Grouping Label gray 1 334 8250 XX Channel Grouping Label orange 1 334 8251 XX 92A96 amp 92C96 Module User Manual 1 070 9185 XX Slot Ident Labe 1 334 8029 XX 92A96 amp 92C96 User Manual Appendix B Options and Accessories Table B 6 Optional Accessories for the 92A96 and 92C96 Modules Description Tektronix Part Number P6041 Passive Probe used as Sync Out cable SMB to BNC 3 5 ft 50 ohm impedance 25 Channel Probe Set 020 1890 XX Single Channel Clock Lead Sets Package of 12 020 1888 XX KlipChip Adapters Package of 12 020 1386 XX 92A96 Probe Ribbon Cables Antistatic Application Kit 020 1939 XX 92A96 amp 92C 96 Service Manual 070 8247 XX 90 Channel Microprocessor Interface 010 0508 XX Generic Pod Replacementkit 050 2796 XX Replacement P odlet black 010 0493 00 Replacement P odlet brown 010 0493 01 Replacement P odlet red 010 0493 02 Replacement P odlet orange 010 0493 03 Replacement P odlet yellow 010 0493 04 Replacement P odlet green 010 0493 05 Replacement P odlet blue 010 0493 06 Replacement P odlet purple 010 0493 07 Replacement P odlet plain 010 0493 08 Probe Set 25 Podlets 010 0492 10 8 Channel Lead Sets Package of Six 020 2107 XX Six 8 Channel Lead Sets 12 Y Cables 72 KlipC hip Adapters 020 2108 XX 50 Channel Probe Set with Lead Sets KlipChip Adapters 020 2109 XX Y Cables Ribbon Cables Coaxial Cables Set of Fo
166. plication software on the hard disk using the Disk Services Menu Refer to the documentation that came with you application software package for instructions on installing the application software Connecting the Probes The 92A96 Module uses a four probe system with each probe assembly composed of four major parts a probe cable a probe interface housing three 8 channel probes and a clock probe You connect the probe cable from the card probe connector to the interface housing and you connect the 8 channel probes and clock probe between the interface housing and the system under test see Figure 1 2 NOTE Although the illustrations in this section show a DAS mainframe the procedures for connecting the probes to a TLA 500 series logic analyzer are the same as connecting probes to a DAS mainframe Each probe assembly contains 24 acquisition channels three 8 channel probes and a clock probe You can separate the 8 channel probes into individual channel podlets Each podlet contains a signal and ground reference connector The probe cables come in two types ribbon and coaxial The ribbon cables are standard with the 92A96 Module while the coaxial cables are optional The standard ribbon cable offers 1 2 volt p p input signal sensitivity for TTL environments and the coaxial cable offers 600 millivolt p p input signal sensitivity for ECL environments 1 8 92A96 amp 92C96 User Manual Getting Started 92A96 I
167. points For example you can measure the time between the cursor and a mark you placed or you can measure the time between the cursor and the trigger In fact you can select any of the following locations as the start or end point of the measurement m Cursor m EndAcq m Trigger m A Mark m Beg Acq When you select A delta Mark and no A mark exists a message prompts you that one isn t defined and the reference is set to sequence 0 The display and measurement reference point selections for Delta Time are accessed in the format definition overlays The Delta Time readout is displayed at the upper left of the State and Timing menus see Figure 3 32 The measure ment reference points can also be changed in the Delta Time readout start and end point fields The delta measurement is given in time units the smallest Delta Time possible for the 92A96 Module is 1 25 ns which is rounded up to 2 ns in the menus A minus sign is placed before values where the first reference point is at a later sequence than the second reference point When the 92A96 Module is correlated with a 92A16 Module no timestamp Delta Time may be displayed in cycles rather than time units The State menu shows the values of the data samples for each channel group The values are displayed in a columnar table When you select the State menu to display acquired data its content and format are derived from your previous selections in the setup and display menu
168. port modes Table 3 9 Clock Type Selections Software Support Selected Clocking Selectable General Purpose Internal External High Speed Timing Internal Custom Internal External and Custom Use internal clocking to asynchronously acquire data from a system under test This type of clocking can produce high resolution timing diagrams of the system under test signals Sample the signals at an internal clock rate that is much faster than the clock in the system under test to get better timing resolution Figure 3 7 shows an example of the Clock menu with Internal clocking selected 3 21 Setup Menus ICE mai CE fa a ea aa E E E po Figure 3 7 The Clock Menu with Internal Clock Window Displayed In the General Purpose support mode the Internal Clock selections are from 10 ns default to 1 ms In High Speed Timing support the selections are from 2 5 ns to 1 ms 5 ns is the default Refer to Configuration Menu beginning on page 3 1 for software support selection information The Clock menu also displays the number of acquisition channels available If you create a multicard module formation the number of cards will also be displayed The default width for a single 92A96 Module is 96 channels in General Purpose support 48 channels with 5 ns or slower clocking in High Speed Timing support and 24 channels with 2 5 ns clocking in High Speed Timing support In addition to the number of acquisition channe
169. power off 0 5 V to 6 0 V Input capacitance CLK amp Qual 35 pF maximum 30 pF typical all others 25 pF maximum 20 pF typical Input impedance CLK amp Qual 50 KQ nominal Minimum AC impedance all others 100 KQ nominal gt 100 Q for all channels exceptCLK 0 1 2 3 AC characteristics Refer to 92A96 specifications Min Setup time with respect to CLK 92A96 setup time 5 ns 0 1 2 or 3 Min Hold time with respect to CLK 0 92A96 hold time 1 ns 1 2 or 3 92A96 amp 92C96 User Manual A 5 Appendix A Specifications A 6 92A96 amp 92C96 User Manual ts AI Appendix B Options and Accessories Table B 1 92A96 Module Options Option Description 01 Includes 90 Channel Microprocessor Interface 02 Adds a set of 4 coaxial type probe cables 1D Deletes 92A96 Probe Assembly 2D Deletes Lead Sets and KlipChip Adapters 3S Substitutes the 90 C hannel Microprocessor Interface for the 92A96 Probe Set 4S Substitutes a set of 4 coaxial type probe cables for the 4 ribbon type probe cables 92A96 amp 92C96 User Manual Table B 2 Standard Accessories for the 92A96 Module Description Quantity Part Number Probe Set 100 P odlets 1 010 0492 XX 92A96 Probe Cable 4 174 2117 XX Single channel Clock Lead Set 12 196 3347 XX 8 Channel Data Lead Set 12 174 2527 XX Cable Bracket and Screws 2 407 4096 XX Ground Strap 1 196 3353 XX KlipChip Adapters 144 206 0364 XX Four Color Rear P anel Label 1 334
170. pport field 3 2 software support 2 8 3 3 module formations 3 4 switching modes 3 4 92A96 amp 92C96 User Manual Index specifications A 1 A 6 electrical A 3 A 4 environmental A 1 physical A 2 safety A 1 split screen defined Glossary 6 Split Screen Definition overlay 3 111 3 116 active window 3 112 lock cursors 3 113 split horizontal 3 113 split size 3 113 split vertical 3 113 unlock cursors 3 113 unsplit display 3 113 Split Screen Display display sizes 3 114 split screen display 3 78 3 93 split screen scrolling 3 115 lock cursors at current positions 3 116 lock cursors at same sequence 3 116 unlock cursors 3 116 stand alone defined Glossary 7 stand alone operation 1 2 starting or stopping acquisitions 3 3 state defined Glossary 7 resource limitations 3 51 State Format Definition overlay 3 80 add group 3 85 channel groups 3 83 delete format 3 82 delete group 3 85 delta time 3 81 Edit Groups 3 83 3 85 Edit Groups fields 3 84 edit lines 3 83 function keys 3 81 3 82 3 84 function selection 3 80 memory differences 3 81 radix 3 84 remove user marks 3 81 reordering channel groups 3 84 restore format 3 82 save format 3 82 Select Options 3 80 suppress module data 3 82 symbol table 3 84 State menu 2 10 3 76 3 90 curso
171. r Each channel podlet within an 8 channel probe is color coded using the standard resistor value color code on the signal side of the podlet body to identify its channel number see Figure 1 3 Each interface housing connects to three 8 channel probes and a single clock probe Violet Blue Green Yellow Orange Red Brown Black I GROUND Figure 1 3 Probe Channel Color and Labels on an 8 Channel Probe 92A96 amp 92C96 User Manual Getting Started Connecting the Probes to the 92A96 Module 92A96 amp 92C96 User Manual You should apply slot number labels as shown in Figure 1 4 if there is more than one 92A96 Module in the system These slot numbers help you identify which module is connected to a particular system under test in a multimodule system Apply slot number labels here Tektronix 92A96 SLOT oo00 0000000000000000000 Figure 1 4 Applying Slot Number Labels A probe cable connects directly to a probe connector on the back of the 92A96 Module Each individual module has four probe connectors Refer to Figure 1 5 for probe connector locations on
172. r Program Using a Timer The flag value is controlled by the set flag and clear flag actions You can define a flag event that is true or false based on the current flag value For example you might want to set the flag when an inter module signal occurs then check the status of the flag as an additional qualifier later on Figure 3 14 shows an example using the flag The trigger program in Figure 3 14 causes the module to trigger when address 5000 is accessed except between accesses to addresses 1300 and 1500 92A96 amp 92C96 User Manual 3 41 Setup Menus 3 42 Trigger Lola Fa FE FT DEFAULT ACCESS DELETE TRIGGER LIBRARY Fu id eo a hw a kory m a u Te mia MA wet Figure 3 14 Trigger Program Using a Flag Intermodule Signals Input and output signals provide various types of user de fined communication between cards in the logic analyzer As shown in Tables 3 13 and 3 14 on pages 3 32 and 3 37 the Trigger menu lets you select signal events and actions When you use a signal event or action you must select it by the name you gave it in the Signal Definition overlay in the Cluster Setup menu You must first define a cluster in the Cluster Definition overlay in the System Configuration menu Refer to the user manual for your DAS or TLA 500 series logic analyzer for information on how to create clusters You can use the Signal Definition overlay to define two signal outputs from the 92A96 Module and t
173. r a data bus for example GPIB A logic analyzer decodes bus activity and displays it as cycle types instruction names interrupt levels etc Advanced forms of mnemonic disassembly can detect queue flushes and provide a display that resembles the original assembly language source code listing Module One or more functioning acquisition or pattern generation units When a module consists of more than one circuit board the individual boards work together as a unit to provide increased channel capability while giving you full use of all instrument functions Overlay A temporary display that partially covers the currently displayed menu usually opened by selecting a function key Paged Memory Acquisition memory can be divided into pages with each page containing a given number of samples Allows you to make multiple acquisitions around the trigger within a single acquisition memory 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 or one pattern generation channel and a ground pin Post fill A requirement that a logic analyzer continue to acquire data after the trigger until a predetermined number of samples has been taken When the trigger position is programmed to occur in the center of memory a logic analyzer will take enough data samples after the trigger to fill one half of the acquisition memory Post processing An
174. r sequence field 3 77 delta time 3 77 display selections 3 77 Format Definition overlay 3 80 function keys 3 78 print overlay 3 89 qualification gaps 3 78 radixes 3 78 search backward 3 78 Search Definition overlay 3 85 search forward 3 78 sequence numbers 3 77 split display 3 78 timestamp 3 78 3 79 92A96 amp 92C96 User Manual trigger mark 3 78 State Search Definition overlay 3 85 memory difference search 3 89 not value search 3 88 qualification gap search 3 89 search range 3 86 search type 3 86 timestamp search 3 85 value search 3 87 State Table Print overlay 3 89 print settings 3 89 states linking 3 46 3 48 storage qualification 1 4 2 1 2 9 3 27 3 47 3 54 by state 3 49 combination 3 49 defined Glossary 7 modes 3 47 store event 3 48 3 49 trigger program interaction 3 49 store event resource limitations 3 51 storing data 2 2 symbol table 3 84 pattern 3 17 range 3 17 symbolic data 1 5 symbolic radix 3 16 defined Glossary 7 sync out polarity 3 27 signal 3 3 3 43 synchronous acquisition defined Glossary 7 T Threshold Definition overlay 3 17 clock threshold field 3 18 data threshold field 3 18 function keys 3 18 threshold value field 3 18 threshold values 3 18 time base defined Glossary 7 Time menu display selections 3
175. re 1 7 Single Channel Lead Sets If your SUT has 0 025 inch square pins 0 030 diagonal max or 0 020 to 0 030 inch round pins but they aren t configured for single probe podlets pins in 2X1 matrix on 0 10 inch centers you can connect the supplied single channel lead sets from the podlets to the appropriate signal and ground connectors on the SUT The signal lead is color coded white and ground lead is color coded black see Figure 1 7 8 Channel Lead Sets If your SUT has 0 025 inch square pins 0 030 diagonal max or 0 020 to 0 030 inch round pins but they are not configured for 8 channel probes pins in 2X8 matrix on 0 10 inch centers you can order an optional 8 channel lead set that connects directly to the 8 channel probe It has eight individual signal leads and two ground leads to connect to your SUT The signal leads are color coded white and the ground leads are color coded black see Figure 1 7 92A96 amp 92C96 User Manual 1 13 Getting Started KlipChip Tips If your SUT does not have the recommended pins types and sizes you must use KlipChip tips to make the necessary connections to ensure good electrical contact The tips connect to the lead sets and clip on to the SUT see Figure 1 7 92A96 Probe 92A96 Interface 5 ft Cable Housing 0000 QO0000000 8 Channel Probe 0 70 70 7 amp
176. re executing and when activity takes place between them Plotting the data groups from two microprocessors to see if data transfers take place properly Verifying a test suite that should exercise certain addresses in a section of code you can quickly see the addresses that were not executed Figure 3 43 shows a sample Graph menu using the Sample Point plotting mode see Sample Point Mode on page 3 103 for an explanation of Sample Point mode NOTE The Graph menu does not support split screen displays or search operations 92A96 amp 92C96 User Manual Display Menus 92A96 amp 92C96 User Manual F5 DEFTHE FORMAT Fu Eh i a ea a E E E E ba Figure 3 43 Graph Menu Control Group Plot Using Sample Point Mode The Graph menu has the following fields and features m Magnification field This field changes the horizontal resolution of the display Change the magnification to a higher value to show less data in greater detail each point represents fewer samples The highest value of magnification depends on the depth of the acquisition memory The highest value shows one memory location per horizontal pixel Change the magnification to a lower value to show more data in less detail each point represents multiple samples Memory Domain Indicator The memory domain indicator shows which part of acquisition or reference memory is displayed The T indicates the trigger position Cursor field This field displ
177. ree If two or more actions conflict the one that occurs first in the program is executed and the others are not executed Only the conflicting actions are affected all other actions in other clauses are unaffected and execute normally The following example shows how conflicting actions occur in multiple clauses When Word 1 is true counter 1 is to increase by one but at the same time the second clause is evaluated and when Counter 1 is found to be greater than or equal to 1000 also true Counter 1 should be reset to zero However only the first action Incr Counter 1 is implemented because the actions conflict 92A96 amp 92C96 User Manual 3 45 Setup Menus 3 46 State One Address Data Contro If Word 1 XXXXXXXX XXXXXXXX XXXXXXXX Then Incr Counter 1 Or If Counter 1 gt 1 000 Then Reset Counter 1 Go To State Two End Of State One Note if Word 1 above was changed to a specific value when that value was true the counter would be increased by one for each clock cycle that it remained true When the counter reached 1000 and Word 1 was true there would be a conflict with the action in the second clause so the counter wouldn t be reset But when Word 1 became false the action in the second clause would execute and the counter would be reset Linking States You can link states to define more specific trigger conditions so you can find the exact data your interested in You can link up to 16 state
178. resence or absence of that word in signals acquired by the logic analyzer 92A96 amp 92C96 User Manual Index Numbers 8 channel probe replacing C 4 C 6 90 Channel Interface A 5 92A96 defined Glossary 1 92A96D defined Glossary 1 92A96SD defined Glossary 1 92A96UD defined Glossary 1 92A96XD defined Glossary 1 92C96D defined Glossary 1 92C96SD defined Glossary 1 92C96XD defined Glossary 1 A acquiring data 2 1 2 10 2 14 acquisition cycle defined Glossary 1 defined Glossary 1 depth 3 22 memory defined Glossary 1 memory sequence defined Glossary 1 parameters 2 11 3 74 3 77 3 92 width 3 22 action 3 28 See also Compound Action compound 3 45 parameters 3 37 3 38 simple defined Glossary 6 active module defined Glossary 2 add trace 3 98 address defined Glossary 2 anything event 3 36 application modules 1 3 software defined Glossary 2 assert defined Glossary 2 asynchronous acquisition defined Glossary 2 bit significance 3 15 bus value 3 93 C cables 1 12 1 15 A 2 card defined Glossary 2 placement 1 5 1 6 channel 3 15 adding or deleting 3 15 count 3 3 event 3 34 3 49 3 51 grouping 3 12 name 3 12 3 19 order 3 15 92A96 amp 92C96 User Manual polarity 3 12 3 20 Channel Definition overlay 3 19 channel column 3 19 channel name fi
179. reshold Definition Overlay with the Clock Threshold Field Opn oo ceri eee ein Figure 3 6 Channel Definition Overlay Section Field Open Figure 3 7 The Clock Menu with Internal Clock Window Displayed Figure 3 8 The Clock Menu with External Clock Window Displayed Figure 3 9 Trigger Menu LL Figure 3 10 Trigger Position Field with Defined Selected Figure 3 11 Trigger Position Field with Trigger Range Field Displayed Figure 3 12 Trigger Program Using a Counter Figure 3 13 Trigger Program Using a Timer 0 Figure 3 14 Trigger Program Using a Flag Figure 3 15 Trigger Program Using Signals L Figure 3 16 A Multiclause State Figure 3 17 Trigger Program Using Multiple States Figure 3 18 Combination Storage Qualification Figure 3 19 Trigger Menu Event Resource Allocations Figure 3 20 Counting Occurrences 0 0 00 cece eee eee 3 2 3 11 3 14 3 16 3 17 3 19 3 22 3 23 3 27 3 30 3 30 3 40 3 41 3 42 3 43 3 44 3 47 3 48 3 50 3 53 Table of Contents Figure 3 21 Figure 3 22 Figure 3 23 Figure 3 24 Figure 3 25 Figure 3 26 Figure 3 27 Figure 3 28 Figure 3 29 Figure 3 30 Figure 3 31 Figure 3 32 Figure 3 33 Figure 3 34 Overlay Figure 3 35 Figure 3 36 Detecting a Sequence of Events Within Time Constraints Advanced Storage Qualification T
180. return the module and the probes so that the entire system can be tested When packing a module card for shipment use the original packaging If it is unavailable or not fit for use contact your Tektronix representative to obtain new packaging Preventive Maintenance 92A96 amp 92C96 User Manual The electrical performance of the acquisition module should be checked once every 1 5 years of operation by a qualified service technician using the proce dures outlined in the service manuals for the DAS and TLA 500 series logic analyzers Appendix C User Service Mechanical inspection and cleaning should be performed as often as the operating environment dictates Cleaning procedures for the module are listed in the DAS Technician s Reference Manual and in the service manual for the TLA 500 series logic analyzer These procedures should be performed whenever the module has been subjected to abnormally dirty conditions for any significant amount of time In a very clean environment you can operate the module for extended periods without cleaning Removing and Replacing Podlets Removing a Clock Probe or 8 Channel Probe Podlet C 2 from the Interface Housing Each 8 channel probe consists of 8 single channel podlets ganged together in a podlet holder You may need to remove these podlets from the 8 channel probe to use them for alternate connections to the system under test You can also use these procedures to replace a defe
181. rigger Program Measuring the Time Between Words Library Overlay sputo iero hei User Defined Trigger Library Overlay Simple Trigger Program Trigger Menu Complex Trigger Program Trigger Menu Setup Print Overlay Monitor Menu The Memory Domain Indicator field State Menu Acquisition Parameters State Menu State Menu State Format Definition Overlay Select Options Function Module Suppression Fields State Format Definition State Format Definition Overlay Edit Groups Function State Search Definition Overlay with the Timestamp Search Ly pers souls oye bates erst seh Sete ths tone ans ered aloni aretini Figure 3 37 Type Selected Figure 3 38 Figure 3 39 Figure 3 40 Function Figure 3 41 Figure 3 42 Figure 3 43 Mode Figure 3 44 Figure 3 45 Figure 3 46 Figure 3 47 Figure 3 48 Figure 3 49 Figure 3 50 Figure 3 51 Figure 3 52 Figure 3 53 Menu Figure 3 54 vi State Search Definition Overlay with the Value Search State Table Print Overlay Timing Menu Timing Format Definition Overlay Select Options Timing Format Definition Overlay Edit Traces Function Timing Print Overlay Graph Menu Control Group Plot Using Sample Point Graph Format Definition Overlay Graph Menu Data Group Plot Using Range Bar Mode General Purpose Support Disassembly Menu Disassembly Format Definition Overlay Disassembly Sear
182. rnal or synchronous clock that is a signal supplied externally to the logic analyzer Flag A bit that can be set as a marker A flag can be used as either an event or an action in a trigger specification program When used as an event a flag is tested for true false value like any other event when used as an action a flag can simply be set or cleared as the result of a condition being satisfied Glitch A signal that makes a transition through the threshold voltage two or more times between successive sample clocks Signals that are faster than the sampling rate such as noise spikes or pulse ringing can be captured by a logic analyzer as glitches only applicable to asynchronous acquisitions Internal Clock A clock mode in which the sampling of input logic signals occurs asynchro nously to the activity of the system under test The representation of the signals is stored in memory by what is commonly called the internal or asynchronous clock Level sensitive A trigger specification term An event recognizer is said to be level sensitive when the event is only true in an acquisition cycle in which the selected channels are true for a specified amount of time Microprocessor Support Optional microprocessor support software that allows the logic analyzer to disassemble data acquired from microprocessors 92A96 amp 92C96 User Manual Glossary Mnemonic Disassembly A display format for data acquired from a microprocessor o
183. rocessor disassembly support the 92A96 Module provides special high speed operation called High Speed Timing support High Speed Timing support can acquire data at faster internal sampling rates than General Purpose support You can acquire data at 200 megasamples per second 5 ns sampling rate or at 400 megasamples per second 2 5 ns sampling rate High Speed Timing support also doubles the effective acquisition memory for clock settings at 5 ns or slower rates and quadruples the effective acquisi tion memory at the highest clock setting 2 5 ns The faster sample rate and the increased memory depth enable higher resolution timing analysis When you select the higher sampling rates the number of available acquisition channels in a single 92A96 Module is reduced to 48 channels at 5 ns and 24 channels at 2 5 ns You can have more channels by using additional 92A96 Modules in adjacent DAS slots to create a multimodule formation If you have a TLA 520 Logic Analyzer you can use two modules instead of a single card module While various operating details of High Speed Timing support are described elsewhere in this manual this section focuses on the setup acquisition and display considerations you will encounter when choosing this software support Specific areas of consideration follow m sample rate m memory depth m number of available channels When you select High Speed Timing support in the Config menu the modules are placed into
184. rogrammatic Command Language interface refer to the DAS 9200 Programmatic Command Language User Manual Networked Operation The DAS NT and TLA logic analyzers with the 92XTERM networking software allow you to use a Sun 4 Workstation using an X11R4 or OpenWindows server to control the system The server takes the place of the standard graphics terminal and displays all menus in a window on the server With the networking software installed the system functions the same as it would connected to an X terminal The main difference is that the menus are controlled from a workstation with a mouse and keyboard interface rather than a terminal 92A96 amp 92C96 User Manual Getting Started Application Modules Operating Modes Sampling Rates Variable Width and Clustered Configurations Module Correlation Guidelines 92A96 amp 92C96 User Manual Application modules function as individual data acquisition or vector pattern generation units A module can consist of one or more circuit board cards Some modules of the same type can be combined to create a multicard module formation for example two 92A96 Modules that increases the number of available channels Or you can combine single modules of different types to create clusters that operate together to perform a specific application for example a stimulus and response unit using the 92S16 and 92A96 Each application module installed in the system has a set of specific menus a
185. rrelated module acquisition See Module Suppression on page 3 82 for more information 3 77 Display Menus m Trigger Mark The T shows where the trigger occurred in the acquired data m Qualification Gaps Qualification gaps appear as gray highlighting and indicate that data samples were not stored due to storage qualification or Don t Store trigger actions See Qualified Data 3 74 for more information m Timestamp Data Timestamp data can be defined as TS_Abs relative to the start of an acquisition TS_Delta relative to a delta mark or TS_Prev relative to the previous sequence Timestamp values can be expressed in 1 ns increments See Timestamp on page 3 79 for more information m F2 SPLIT DISPLAY Function key This function key calls the Split Screen Definition overlay that lets you split the display define the size and content of each window of the split display lock cursors between split displays or return to a single menu display See Split Screen Definition Overlay on page 3 111 for more information m F4 MARK DATA Function key Use this function key to place a mark at the cursor position See User Marks on page 3 75 for more information on marking data m F5 DEFINE FORMAT Function key This function key calls the State Format Definition overlay for the State menu Refer to the State Format Definition Overlay on page 3 80 for information on using the overlay m F6 DEFINE SEARCH Function key This function key ca
186. rrent positions No pop up menu is available if one of the data sources is not time stamped for example a non cor related refmem 92A96 amp 92C96 User Manual 3 115 Display Menus 3 116 When you lock cursors at the same sequence you effectively time align the data cursors from each display window This repositions the inactive window cursor to the same sequence number as the cursor in the active window This mode is only available when you view data in both halves of a split display from correlated modules within the same cluster or when you view data from the same module NOTE Changing to different data sources in the display windows unlocks the cursors and displays a warning message However when you change the data source from the Menu Selection overlay the cursors are unlocked but no warning message displays When you lock cursors at the current positions the cursor in the inactive window is not repositioned The cursor is locked at its current position and scrolls relative to the active window s position If you unlock cursors cursor movement in one display window has no effect on the other display window Switching the active window between display windows does not move the cursors 92A96 amp 92C96 User Manual r _ eur T_ _ _ _ N High Speed Timing Support Setup Considerations 92A96 amp 92C96 User Manual In addition to providing general purpose data acquisition operation and microp
187. rsor is positioned on 3 28 92A96 amp 92C96 User Manual Setup Menus Setting Trigger Position 92A96 amp 92C96 User Manual Table 3 11 Trigger Menu Add Options Selection Description Add If Then Clause Adds an If Then clause to the state where the cursor is positioned Add Event Adds a new event to the event the cursor is on Events are added with an AND or OR field separating them Add Action Adds a new action below the action the cursor is on Add State Adds a new state below the state the cursor is on If the cursor is not positioned on a state the new state becomes the first State in the trigger program Add Not To Event Adds a Not label to the event portion of a clause If there is more than one eventin the clause the Not applies to the entire event portion of clause notjustthe first event thatis Not A or B rather than Not A or B Add Prompt Adds a prompt from the event or action the cursor is positioned on The trigger position setting determines the number of data samples stored after the trigger occurs The trigger is your reference in the acquired data You can select from nine trigger positions or enter a precise number of sample cycles NOTE The accuracy of the trigger position depends on the software support In General Purpose support or in any microprocessor support the trigger position accuracy is 0 samples The accuracy in High Speed Timing support is 1 sample
188. s For example the groups shown in the State menu are those selected in the Chan nel menu Figure 3 32 shows a sample State menu 92A96 amp 92C96 User Manual Display Menus 92A96 amp 92C96 User Manual F5 FR 7 FA DEFI ME FORMAT CEFINE SEARCH SEARCH FOR WARE LLL fsi em a M A et ea a korg Does n ma m ina PE Do ae Figure 3 32 State Menu The State menu has the following key fields and features Cursor Sequence field This field displays the sequence number of the data where the cursor is positioned You can move the cursor to a new location by typing in a desired sequence number here then pressing the Return key The sequence number you enter appears in this field and the data is displayed around that location You can also type in other characters as explained in the Cursor Sequence Field on page 3 71 and User Marks on page 3 75 Delta Time fields These fields display the delta time between the selected measurement points See Delta Time on page 3 76 Acquisition Parameters When turned on the acquisition parameters show the final value of any counters and timers and the Latched Data label if data was acquired with latch mode on See Acquisition Parameters on page 3 74 for more information Sequence Numbers The sequence numbers show the acquired data for each sequence If there is a gap in sequence numbers it indicates that you have suppressed a module s from the display of a co
189. s cannot find the specified timestamp The fill in timestamp value fields are to the right of the qualifier field Select one of four units of time to define the timestamp from seconds to nanoseconds The number of fields available for numeric entry decreases as the unit of time gets smaller You could not enter a time value as large as a second a millisecond or a microsecond if you selected nanoseconds The nanosecond portion of a timestamp must be divisible by five Because there are four units of time available there is more than one way to enter some timestamp values You can enter 20 milliseconds as 00 00 00 020 000 000 s seconds or 020 000 000 ms milliseconds because both values represent the same time interval The leading pairs of zeros separated by colons in this example represent hours minutes and seconds 00 00 00 Value Search Use the Value search type to find a specific word value within a range of data sequences Figure 3 37 shows the fields and function keys that appear when you select Value as the search type 3 87 Display Menus 3 88 ATE SEARCH DEFINITION finply search to mrin module location though OSG Sree PRAT a FEHU Figure 3 37 State Search Definition Overlay with the Value Search Type Selected To search for a specific word value select Value as the current search type Then define a word value to search for and a range of data sequences to search in Save the search parameters with fun
190. s also have search definition overlays to define the parameters of a data search and a Split Screen Definition overlay to format the display for split screen mode the Graph menu does not offer these features In addition there are separate overlays to print the State menu and the Timing menu The Cursor sequence field shows the sequence number for the data under the cursor This represents its relative position within acquisition memory When you scroll through the data the data cursor is always on a row or a column The data stored in a row in the State menu or in a column in the Timing and Graph menus normally represents a single location within the acquisition memory depending on the horizontal magnification selected refer to Magnification on page 3 93 for more information To quickly move through displayed data type the desired sequence number in the Cursor field then press the Return key The data surrounding the position is displayed If that sequence number is not accessible the data surrounding the next lower number is displayed In addition to using the mouse or scroll keys there are other ways to move the cursor in the displayed data using the Cursor field For example m Type a mark label A through M to move to that mark in the display refer to User Marks on page 3 75 m Type aT upper or lower case to move to a trigger location m Type a to move to the end of memory m Type a to move to the delta mark A 3 71
191. s evaluated by a resource recognizer However the channel polarity does not affect the Clock menu Examples of how menus are affected are given below In each example it is assumed that you selected a negative polarity for the channels involved m Trigger menu word event if you enter a 1 as the value to search for on a channel in a word event the 92A96 Module looks for a low value below the threshold voltage m Trigger menu channel event if set to Asserted the channel event is true when the signal is low m Timing menu a low value is displayed high and a high value is displayed low m State menu a low value is displayed as a 1 and a high value is displayed as a 0 3 20 92A96 amp 92C96 User Manual Setup Menus Clock Menu Internal Clocking 92A96 amp 92C96 User Manual The Clock menu defines the acquisition clock that controls data sampling You can set the Clock menu to three different modes The acquisition clock modes are m Internal A 1 2 5 step time base that is internally generated m External A signal or signals generated by the system under test that is used as the sample clock m Custom A variety of microprocessor specific clock cycle types for example DMA cycles Refer to the instructions that came with your microprocessor support software for a detailed description of the Custom selection Table 3 9 summarizes the the clock selections for the different software sup
192. s for all data sequences The contents of the disassembly table are derived from your definitions in the Config and Channel menus they are derived from symbol tables you create for the Control and Data groups with the Symbol Editor menu Control group or Data group values are shown in the Mnemonic column in the menu Figure 3 46 shows an example of the General Purpose Disasm menu 3 105 Display Menus 3 106 FJ F7 FB SPLIT MARE DEFINE DEFINE SE SEARCH DISPLAY OPCODE FORMAT SEARCH FORWARD Lee PRIHT MOTE ina E E ee war Figure 3 46 General Purpose Support Disassembly Menu The Disassembly menu has the following fields and features Cursor field Displays the sequence number of data at the cursor location Sequence column The sequence column shows the sequence numbers of the displayed data Address Group The Address group shows the address bus data Use the Format Definition overlay to select a hexadecimal or symbolic radix Data Group The Data group shows the data bus data in hexadecimal radix only Mnemonics Column The Mnemonics column shows the binary value of the Control group and nothing else if no symbol exists for the Control group value If a symbol exists for the Control group value it is displayed in parentheses beside its binary value If you see the Control group symbol FETCH in the Mnemonics column you do not have a symbol table defined for the Data group The binary or symbolic val
193. s in a trigger program Link states by using the Go To State action Figure 3 17 shows an example of a two state trigger program The program in Figure 3 17 uses two states to cause the module to trigger when data in the range A0000000 through AFFFFFFF is present between the time that address 00001111 is accessed and address 00005555 is accessed Only one state controls the 92A96 Module at any time A state remains in control until another state is jumped to the acquisition ends following the trigger or when you select function key F1 STOP NOTE All states in a trigger program are in the same menu Use the mouse or the cursor keys to scroll to states that do not appear on screen 92A96 amp 92C96 User Manual Setup Menus Using Storage Qualification 92A96 amp 92C96 User Manual SCASED 1 Trigger Idla Daan pp dure Bound fange In AHA AAGA amp FFFFFFF Trigger f Tord Fi Fa START DEFAULT Iuatar TAT GOES sj eT Paro oss n m esta pil oa Figure 3 17 Trigger Program Using Multiple States Use storage qualification to avoid filling up your the acquisition memory with data samples that do not interest you For example if the type of events you are interested in only occur in one percent of your samples the samples stored in the acquisition memory will only contain a small number of examples of the events you want to see You can use storage qualification to disqualify the unwanted data s
194. s in the top half and 12 rows in the bottom 13 12 Each half can have as few as 6 rows 6 19 Figure 3 52 shows a horizontally split display All appropriate Format and Search Definition overlays are available from either section of a split display When you split a display function key F3 SWITCH WINDOW is added to both windows This function key lets you move from one window to the other The window that you move to becomes the active window 3 114 92A96 amp 92C96 User Manual Display Menus Display Display Fa ITE F SEARCH DISPLAY WIMDON FORMAT 3 CA FOR WAR Ceg Eee a oa a Bedi E E fa E E E w Figure 3 52 Horizontally Split Display Split Screen Scrolling As with single window displays split screen scrolling follows sequence numbers You can lock or unlock the cursors to scroll data in a split display When you lock cursors moving the cursor in one window causes the cursor in the other window to move an equal amount of sequence numbers For example moving the cursor in one window 10 sequences causes the cursor in the other window to move 10 sequences When you select different data sources within the split overlay cursors automati cally lock at their current positions and scrolling is relative to the active window s position When you use the same data source in both display windows a pop up menu appears that allows you to choose between lock cursors at the same sequence or lock cursors at the cu
195. se Din 90 Channel Female Interface DE Standard Din Female CIS System System Under Test Under Test Ul LJ Figure 1 9 Installing a DIN Connector in your System Under Test The left side of Figure 1 9 shows a DIN connector installed on a circuit board that is easily accessed from either side top or bottom The right side of Figure 1 9 shows a reverse DIN connector installed on a circuit board that is difficult to access for example cards closely slotted together Before you define which of the signals to monitor or how you want to group the signals of the system under test you should refer to Table 1 3 Table 1 3 shows the 92A96 channel names the 90 Channel Interface Probe Adapter DIN Connectors and the 92A90 Channel names The pin numbers listed are for the standard DIN 41412 connector type C 96 If you install a reverse pinout DIN connector you must reverse the pinout order for example pin A01 becomes A32 pin A02 becomes A31 and so on Keep the following points in mind when defining the connections m Any clock channels not used as edge sensitive clocks can be used as additional level sensitive qualifiers m Any qualifier channels C2_3 C2_2 C2_1 or C2_0 when not used as qualifiers can be used as any general purpose acquisition channels 92A96 amp 92C96 User Manual 1 17 Getting Started 1 18 Table 1 3 92A96 90 C
196. sics 92A96 amp 92C96 User Manual General Safety Summary Preface siii aa How to Use This Manual Related Documentation On Line Documentation LL Manual Conventions LL Product Description User Interfaces Application Modules LL Operating Modes ei ck nad ah ena ae Kaa ema Rega rire ri Sampling Rates na tats ke iaia Variable Width and Clustered Configurations 0005 Module Correlation Guidelines 00 000 ccc eee ee Probe Cable Types cip iii 84 Bio sultan Aaa Microprocessor Support seuseu eee cette teens Other Key Features aiar i AA Ra BSc Accessories Installing the Hardware Card Placement Guidelines 0 0 cee cece ce teens Configuration Restrictions 0 cece eee eee Creating Multiple Card Modules Installing the Software 0 2 0 0 LL Connecting the Probes 0 0 e tenes Labels Connecting the Connecting the Connecting the Probes to the 92A96 Module Probe Interface Housings 0 00 e eee eee 8 Channel and Clock Probes to the System Under Test Probing Techniques Using the Passive Probing System Connecting a 90 Channel Interface Installing a 90 Channel Interface Compatible DIN Connector P6041 Probe Ground Strap Functional Check Functional Overview rari Stage 1 Acquiring Data LL Stage 2 Triggering and St
197. sition the cursor on the group name field where the new group will be added Select function key F4 ADD GROUP Use the mouse or the scroll keys to highlight the timestamp selection Se o D Press the Return key Figure 3 32 on page 3 77 shows how the timestamp is displayed in the State menu 92A96 amp 92C96 User Manual 3 79 Display Menus State Format Definition Use the State Format Definition overlay to change the display format in the State Overlay menu For example you can set up delta time measurements or change the display order and radix of channel groups This overlay controls two major types of functions m Select Options Use this function to specify measurement and display features m Edit Groups Use this function to edit and reorder the group displays Select Options Function Use the Select Options function to choose the measure ment and display features you want Figure 3 33 shows the fields and function keys when you choose Select Options in the State Format Definition overlay an Paraseatarz Gaps Memory Di ffererten F5 z F7 RESTORE E DELETE FORMAT FORMAT FORMAT PRIMI HOES Figure 3 33 State Format Definition Overlay Select Options Function The State Format Definition overlay has the following fields and features m Function field Use this field to select either the Select Options or Edit Groups functions of the overlay 3 80 92A96 amp 92C96 User Manual Display Menus m Delta T
198. sitions and configures them together The System Configura tion menu shows the resultant configuration for such installations The following list describes installation guidelines you must follow if you intend to use multiple 92A96 cards in a module NOTE DAS 9200 modules must be installed according to certain guidelines The arrangement of modules within a mainframe is critical Do not install your 92A96 Module until you have read these guidelines m You can install up to three 92A96 cards in a DAS mainframe as a module m All cards in a module must be in adjacent slots m All cards in a module must be installed in the same DAS Master mainframe or Expansion mainframe multiple card modules cannot stretch across mainframe boundaries but you can have more than one multiple card module in a mainframe Getting Started m Due to power requirements you cannot use more than four 92A96 cards in a mainframe regardless of whether or not you are using them in a single card module Installing the Software The 92A96 software is part of the system software and should already be installed on the DAS or TLA systems If you need to install or upgrade the system software refer to Loading System Software in the system user manuals for the DAS or TLA 500 series logic analyzers If you purchased any application software such as one of the microprocessor disassembler packages or the performance analysis software you must install the ap
199. st iii i iii 3 71 Memory Domain Indicator 0 0 0 eee ee ee ee 3 72 Correlated Modules Data Display 3 73 risser Labels e iai atk i hia a fa ritiri ir 3 74 Acquisition Parameters lt sesse drsn ipa kee ni nee 3 74 Qualified Data ii AA ARA nio 3 74 Memory Differences sisi iii ip a ni rai 3 75 User Marks sicario ara ea A A A ER SARN S 3 75 Delta TIME snara hikes hee Les kere fai nici riga 3 76 State Menu nisi r a a Cortese iii 3 76 Radix S oe ahi tates EER ui ai dai aiar i 3 78 Timestamp pila AR riu Aia fai 3 79 State Format Definition Overlay LL 3 80 State Search Definition Overlay LL 3 85 State Table Print Overlay seine saso ninni niai i a naa E ENAA 3 89 Timms Menus iega ranar ea ns ease ka SO AROS A rina 3 91 Magnificationi sis figa tee nds te phi ee hak i dia aa 3 93 Gratieule gita gira ira ili Rao daria tees 3 93 Timing Format Definition Overlay 0 000 000 ee eee 3 94 Timing Search Definition Overlay 0 000000 e eee eee 3 98 Timing Print Overlay sc ci cei iea dash ha eed ae han weds wads 3 98 Graph Menu RR ira ripara ga 3 100 Graph Format Definition Overlay 00 0 0 eee ee eee 3 102 Sample Point Modes is o 5 8 hiss hea ede daw ended nae 3 103 Range Bat Mode o ca 6 edb t re Cathet has Ea 3 104 Disassembly M n sisir 6460p nas la Se ase abe eae hae 3 105 Creating Symbol Tables for General Purpose Disassembly 3 107 Disassembly
200. sts the possible events Use function keys F7 DELETE or F8 ADD to delete or add events to a clause You can have a maximum of eight events in a single clause Trigger Actions Trigger actions list the activity to be performed when the associated event is true Table 3 14 on page 3 37 lists the possible actions For example in a Go To State action you can select the state name that you want to move to Use function keys F7 DELETE or F8 ADD to delete or add actions to a clause You can have a maximum of eight actions in a single clause Function key F4 DEFAULT TRIGGER restores the Trigger menu program to its default condition If Word Then Trigger Selecting this function key does not affect the trigger position Trigger Pos or storage Store method settings Function key F7 DELETE displays the selection of delete options listed in Table 3 10 Function key F8 ADD displays the selection of Add options in Table 3 11 Use the selections from the tables to edit the Trigger menu Table 3 10 Trigger Menu Delete Options Selection Description Delete If Then Clause Deletes the If Then clause from the state where the cursor is positioned Delete Event Deletes the event the cursor is on Delete Action Deletes the action the cursor is on Delete State Deletes the state the cursor is on Delete Not From Event Removes the Not label from the event portion of the clause Delete Prompt Deletes a prompt from the event or action the cu
201. t As the acquisition progresses and more qualified data samples are stored the number of unfilled memory locations decreases When the trigger position selected is Defined you can specify the exact number of cycles to be stored after the trigger The Delay Count field starts counting down from the size of the memory chosen in the Config menu The delay counter continues to count down until one of the following happens 1 Itfills up the pre trigger memory locations and the counter stops counting down until the trigger occurs 2 The trigger occurs and the counter continues counting down until the post trigger memory locations are filled or the module is stopped 92A96 amp 92C96 User Manual Display Menus This section describes the 92A96 Module display menus their common and unique features and how to use the split screen display mode Features of the Display Menus Overlays Cursor Sequence Field 92A96 amp 92C96 User Manual The Display menus let you view the data from various perspectives and search for pertinent data An overview of the features common to the 92A96 Module Display menus exceptions are noted follows Refer to Figures 3 32 and 3 39 to see examples of these features The format definition overlays for the display menus are used to make major changes to the display format After you make format changes you can exit and save them or change your mind and escape and cancel them The State and Timing menu
202. t is highlight the field in the menu and then select the Notes on screen button to display a brief description of the function of the field field selection or function key The Config uration menu gives you an overview of the 92A96 Module you are using see Figure 3 1 Generally this is the first menu you use to initially set up the 92A96 Module The Config menu contains fields that describe your module and a field to select the software applications you want to use It also allows you to define the memory size allocated for acquisition To select the Config menu from the Menu Selection overlay select the 92A96 Module in the Modules column in the overlay and then point the mouse at the Config on screen button and press the left mouse button You can also point the mouse at the Config menu selection under the setup column and press the left mouse button or select function key F4 MOVE TO SETUP 3 1 Setup Menus General Purpose aa cai i ai Pa a ma E E E i ba Figure 3 1 Config Menu The Config menu has the following fields and features Module Name field This field displays the name of the module you are using The default name for this module is 92A96 n where n is the nth module of this type installed in the system You can rename the module using the System Config menu Module Type field This field displays the module type the number of channels in the module including multicard module formations and the
203. t of all probe sections and unused channels The slot number is added to the section number if you have a module formation Setup Menus m Channel Number fields These fields specify the probe channels included in the channel groups Each section can include up to eight channels numbered from 0 to 7 If you select a channel that has been assigned elsewhere it is removed from the previous group m F4 DEFAULT GROUPING function key Select this key to restore the Channel menu to a default setup based on the current software support mode m F5 DEFINE THRESHOLD function key Select this key to call the Threshold Definition overlay to change the threshold levels for the clock and data channels m F6 DEFINE CHANNELS function key Select this key to call the Channel Definition overlay to name individual channels and define their polarities m F7 DELETE function key This function key displays a pop up menu with two selections Delete Group and Delete Section From Group Delete Group deletes the group the cursor is positioned on Delete Section From Group deletes the section from the group the cursor is positioned on Press the Return key to execute the delete operation or press the Escape key to abort the operation m F8 ADD function key This function key displays a pop up menu with two selections Add Group and Add Section To Group Add Group adds a new channel group below the current cursor position Add Section To Group adds a new se
204. tates For instance if a timer is started in State One and the trigger program is advanced to State Two then the timer will continue to run until it is explicitly stopped with the Stop Timer action 3 38 92A96 amp 92C96 User Manual Setup Menus 92A96 amp 92C96 User Manual Counter Timer and Flag Resources The 92A96 Module provides two counter timers and one flag that you can monitor with events and control with actions The final status of any counter or timer can be shown in the State and Timing menus by selecting their Acquisition Parameters in the Format Definition menus their current status is also shown in the Monitor menu If a counter or timer is used as a trigger event its final status is event The counters and timers share a common resource You can use two counters two timers or one timer and one counter in a single trigger program The flag operates independently of the counter timer resources NOTE Counter and timer actions are executed for each clock cycle in which the associated event is true i e level sensitive rather than edge sensitive The counter value is controlled by the incr counter and reset counter actions You can define a counter event that is true or false based on the current counter value For example you could use a counter to trigger on the sixth execution of a subroutine by advancing the counter each time the subroutine is called and then execute a trigger action when the
205. tered in cycles 2 Specify storage qualification conditions in the Store field For example choose All Cycles to store all sampled data 3 Specify trigger condition Set the event statement If of the trigger program clause For example the power up default don t care word event is true for every sample clock cycle Operational Overview Acquire Data Display Data 4 Set the action statement Then of the trigger program clause For example the default trigger action causes the 92A96 Module to trigger when the event portion of the clause is true in this case that s on the first data sample Use the Start key to begin an acquisition 1 Select the Fl START key A successful acquisition automatically brings up a display menu 2 Watch for the Monitor menu This menu indicates the trigger has not occurred If you have used the default settings to this point this condition can only occur when you have a diagnostics failure that requires servicing go back to the Diagnostics menu and check After satisfying the trigger conditions and filling the acquisition memory data displays in the format used last note the State format is the power on default 1 Select the appropriate display menu for the 92A96 Module For example choose the Timing menu for hardware timing analysis of acquired data 2 Select the horizontal display magnification in the Mag field of the Timing or Graph menu For example choose a lar
206. that order number The channel group names set in the Channel menu are listed under the Channel Name column for the channels assigned to that group Each group can contain a maximum of 32 channels 92A96 amp 92C96 User Manual Display Menus 92A96 amp 92C96 User Manual oly TIMIKO FORMAT CEFTKITTOW Furetioni Edit Trace Channel Mares From Orde Fi Fa ESCAPE MET pE E STORE amp CARCEL TRACE FORMAT F5 PRINI US ULI Iiis rim eT Figure 3 41 Timing Format Definition Overlay Edit Traces Function The default value of the group name matches the channel name you assigned in the Channel Definition overlay in the Channel menu or is group derived You can rename a channel by typing the new name in the Channel Name field however group names are changed in the Channel menu Note Changes made to group names in the Channel menu are not reflected in the Timing menu until the next acquisition The Channel Name From field selects the source for channel names The selection Group Names creates group derived channel names and the selection Channel IDs imports channel names from the Channel Setup definitions for the acquisition any default names are updated immediately Channel names then appear in the trace name column of the main timing menu after you select function key F8 EXIT amp SAVE Note Any channel names you have assigned in the Timing menu retain their names Function key F2 NEXT TRACE inserts the n
207. the Output Specification fields For more information on the fields and function keys of the State Print overlay refer to the discussion of the fields and function keys of the Setup Print Overlay beginning on page 3 64 Printing begins with two header lines containing the date module type user comments and page number The State display is printed beginning with the first group displayed on the left of the screen Groups that are not visible on the left of the State display scrolled off screen are not printed Groups that are not displayed on the right of the State display can be printed if the total number of characters per line specified does not exceed the printer paper width 3 89 Display Menus Fifa PSZ0o_ Dono Display STATE TABLE PRINT saad Printer Settings EEE fics hurt Tinry Port Tial it in Hoadfingi Print Sey arge funber Fal F5 DEF aut START SETTIMGS PRINT Puliti basti palio Miish rim Led T Figure 3 38 State Table Print Overlay Printed data looks nearly identical to data displayed on the terminal screen Printed data has the following format characteristics 3 90 The order of groups and their display radixes match the current selections Color is not represented in the printed output memory differences and gaps are not represented A Tin the far left column indicates the trigger position A Qin the far left column indicates Qualified data if any A Q is printed only wh
208. threshold for each card at the same level when using external clocking Threshold Value field The Threshold Value field displays the voltage value for the threshold selection If the threshold selection is TTL the voltage value is 1 50 V If the threshold selection is ECL the voltage value is 1 30 V If the threshold selection is CMOS the voltage value is 2 50 V If the threshold selection is VAR variable you can select any voltage from 4 00 V to 8 75 V in increments of 0 05 V Function keys Select function key Fl ESCAPE amp CANCEL to exit the overlay and return to the Channel menu without saving changes Select function key F8 EXIT amp SAVE to return to the Channel menu saving all changes made to the overlay 92A96 amp 92C96 User Manual Setup Menus Channel Definition Overlay 92A96 amp 92C96 User Manual Use the Channel Definition overlay to specify a channel name and a channel polarity for the individual channels in a section The channel names are used in the Clock and Trigger menus and as the default names in the display menus Figure 3 6 shows an example of the Channel Definition overlay SCASED 1 CHEMMEL DEFINITO F F5 DEF AULT DEFAULT CUR MARES ALL HAMES PRIHI Hoike EH Figure 3 6 Channel Definition Overlay Section Field Open The Channel Definition overlay has the following fields and features Section field Specifies the probe section Open the field to display a list of the a
209. tic Safety and EMI Ratings Table A 2 Environmental Characteristic Temperature Maximum Operating Minimum Operating Non Operating Description This module complies with all safety and EMI ratings for the DAS and TLA 510 amp TLA 520 mainframes Refer to the DAS System User Manual or to the TLA 510 amp TLA 520 User Manual for details Description 104 F 40 C probe only 55 C 50 F 10 C probe only 15 C 40 F to 122 F 40 C to 50 C probe only 62 C to 85 C Humidity As per Tektronix standard 062 2847 00 10 90 relative humidity non operating lt 80 relative humidity 2 hrs before operating Altitude As per Tektronix standard 062 2847 00 Operating 15 000 ft 4 5 km maximum Non Operating 50 000 ft 15 km maximum Appendix A Specifications Table A 3 Physical Characteristic Description Overall Dimensions Width Approximately 10 in 25 4 cm Length Approximately 15 5 in 39 4 cm Probe Length ribbon or coaxial Approximately 72 in 184 cm cable including podlets 90 Channel Interface Width Approximately 7 5 in 39 3 cm Length Approximately 5 1 in 13 cm Height Approximately 1 14 in 2 9 cm The Performance Requirements column items are product specifications that can be verified using the verification and adjustment procedures refer to a qualified service technician These procedures are found in the service manuals for the DAS and
210. ting a Menu to a Network Printer Monitor Menu 3 68 To print data to a network printer with a TCP IP compatible lpr spooler perform the following steps 1 Select Network Printer in the Send Output To field 2 Select the output format of the file in the Output Format field 3 Enter the internet address of the remote host in the Internet Addrs field or enter the name of the remote host in the Name field 4 Enter the name of the network printer if one exists in the Printer Name field 5 Enter the name of the user in the User field 6 Define the printer settings 7 Select either the FS or the F6 function key to print Printing begins with two header lines containing the current date module type user comments and page number 8 To stop printing select the STOP PRINT key use the key that was used to start printing The entire print request is aborted The Monitor menu Figure 3 29 displays each time you start an acquisition that takes more than a few seconds to trigger While the acquisition is running the Monitor menu shows the progress of the acquisition When the trigger occurs and the remainder of acquisition memory is filled the State Timing or Graph menu depending on which was last selected is displayed You can move from the Monitor menu to any other menu for example the Trigger menu while the acquisition is running If you want to perform additional menu programming and do not care to see the
211. tion field This field controls horizontal magnification At the highest magnification a minimum of six samples are displayed in a screen See Magnification on page 3 93 for details 3 91 Display Menus 3 92 Clock Mode field This field shows the clock mode selected in the Clock menu for this module possible modes are internal external and custom for microprocessor support If internal clocking is selected for the current acquisition you can select a clock rate here and acquire data at the new sampling rate rather than going back to the Clock menu to make the change Clock selections range from 10 ns to 1 ms The 2 5 ns and 5 ns clock rates are selectable when High Speed Timing support is selected in the Config menu In a split screen display changes to the Clock field are not shown in the inactive window until new data is acquired Memory Domain Indicator This graphic indicator shows which part of acquisition or reference memory is displayed The T indicates the trigger position See Memory Domain Indicator on page 3 72 for details The Cursor Sequence field This field displays the sequence number of data at the cursor location You can scroll the cursor or you can move to a new location by typing the desired sequence number mark label number number or a t for trigger in this field See Cursor Sequence Field on page 3 71 for details Delta Time fields These fields display the delta time between the selected
212. tput source impedance 50 Q nominal TIMESTAMP Time base accuracy Shortterm 3 ns Long term 1 count MCLK 0 05 Timestamp resolution 10 ns Timestamp width 44 bits Timestamp range 2 days Module to module relative accuracy 25 ns skew between multiple 92A96s in a single mainframe Max sample rate when correlated with a 70 MHz 92A16 POWER REQUIREMENTS 92A96 Board 8K card 150 watts maximum 32K card 140 watts maximum 128K card 140 watts maximum 512K card 150 watts maximum 2M card 1503 watts maximum A 4 92A96 amp 92C96 User Manual Appendix A Specifications Table A 4 Electrical Cont Characteristic Performance Requirements Supplemental Information 92C96 Board All Versions 1503 watts maximum Power available to probe adapter 15 volt supply 0 5 A maximum 5 volt supply 0 1 A maximum 1 Minimum slew rate 0 8 V ns to guarantee Setup and Hold times degrades S H below this value 2 Measured with 1 6 V p p input signal 3 Module power requirements reduced to 140 W max effective SN B061162 and above Table A 5 90 Channel Interface Electrical Characteristic Performance Requirements Supplemental Information Clock rate 50 MHz Maximum TTL signals of 0 8 V to 2 4 V min swing Buffered signals All signals are passively buffered Threshold level 1 5 V nominal TTL Voltage limits operating 0 5 V to 0 8 V low 2 4 V to 6 0 V high Voltage limits non operating DAS power on 0 5 V to 6 0 V non destructive DAS
213. trol 1 4 reference memory defined Glossary 6 refmem defined Glossary 6 Index 4 register display 3 108 remote operation 1 2 removing podlets C 2 user marks 3 81 removing user marks 3 96 reorder traces 3 97 reordering channel groups 3 84 repackaging C 1 replacing 8 channel probes C 4 C 6 clock probes C 3 resource limitations range recognizers 3 51 state 3 51 store event 3 51 restore format 3 82 3 96 3 109 restoring trigger programs 3 57 3 59 S sample clock defined Glossary 6 data See data sample Sample Point mode 3 103 3 114 sampling rate 1 3 Glossary 6 save format 3 82 3 96 3 109 scrolling 3 92 3 96 3 102 3 115 defined Glossary 6 search 3 98 for data 2 11 3 85 for timestamps 3 85 memory differences 3 89 not value 3 88 qualification gap 3 89 Select Options 3 94 Select Traces 3 92 Setup Print overlay 3 64 3 68 characters per line 3 65 comment header 3 66 default settings 3 66 function keys 3 66 lines per page 3 65 new line characters 3 65 new page 3 66 output format 3 65 output specifications 3 65 print overlay 3 66 printing 3 66 signal event 3 35 3 51 defined Glossary 6 signals 3 42 3 43 simple action defined Glossary 6 simple event defined Glossary 6 skew defined Glossary 6 slot select label 3 14 software su
214. truction Manuals each of which describes a specific micropro cessor support packages m A series of application software user manuals that describe the various application software packages On Line Documentation On line documentation is available in the form of on screen notes for the fields and function keys for each menu Access the information by highlighting a field with the cursor and then selecting the Notes on screen button at the bottom of each menu Refer to the Tutorial in either the DAS System User Manual or the user manual for your TLA 500 series logic analyzer for more information Manual Conventions The following terms and conventions are used throughout this manual Mm Module A module is a self contained unit consisting of one or more circuit cards In this manual a module refers to one or more 92A96 or 92C96 circuit cards that make up the 92A96 Data Acquisition Module 92A96 Module m Logic Analyzer The term logic analyzer is a generic reference to the DAS NT or DAS XP Digital Analysis Systems and to the TLA 500 series logic analyzers xiv 92A96 amp 92C96 User Manual Getting Started Product Description 92A96 amp 92C96 User Manual The 92A96 and 92C96 Data Acquisition Modules are data analysis application modules for the Tektronix Digital Analysis System DAS and for the TLA 500 Series Logic Analyzer that sample qualify store and display digital data from a system under test The Modules are available
215. ts you arrange the acquisition channels into logical groups for input and display purposes You can also assign names to individual channel and define polarities and threshold voltages Clock Menu The Clock menu lets you specify the internal or external clocks used to sample data You select the sample clock source and the internal clock period or the external clock equation and qualifiers If you have microprocessor support installed you can choose microprocessor specific clocking options Trigger Menu The Trigger menu lets you define the trigger position trigger program including states events and actions and the type of storage qualifica tion you want You can also use trigger libraries that contain templates for trigger programs Display Menus Display menus let you view acquired data in several formats You can choose any data source and start and stop data acquisitions in each of the display menus After an acquisition the acquired data is automatically displayed in the State menu power on default or in the last selected display menu State Menu The State menu displays the logical values of channel groups in table form The channels are organized as defined in the Channel menu and the data is displayed in the radix you select Timing Menu The Timing menu displays each input channel as a digital two state waveform It also shows you the bus value of all the channel groups defined in the Channel menu Graph Menu The Graph
216. two ways to create trigger programs restore an existing trigger program or build your own in the Trigger menu To restore an existing trigger program follow this procedure 1 Select function key F6 ACCESS Library and look through the trigger library Tek or user defined 2 Select a program from the list that matches exactly or closely resembles the trigger setup of your choice 3 Select function key F5 RESTORE ITEM to restore the selection 4 Select function key F8 EXIT amp SAVE to return to the Trigger menu 5 Enter values as prompted in the Event or Action fields or modify the program according to your needs and save it to a user defined library To create a trigger library follow this procedure 1 Select function key F6 ACCESS LIBRARY to access the Library overlay 92A96 amp 92C96 User Manual Setup Menus 2 3 Select function key F7 ADD NEW ITEM Select Add User Library and enter a library name Once you create a trigger library you can create and save trigger programs in it To save a trigger program follow this procedure 1 2 3 4 Select function key F6 ACCESS LIBRARY to access the Library overlay Select the appropriate library from the selections of the Library Name field Select function key F7 ADD NEW ITEM Select Add Library Item The Tek library trigger program name appears as the default user defined library name To change the program name open the line and enter a new
217. u For instructions on installing the application software refer to the user manual for your DAS system or TLA 500 series logic analyzer or to the documentation for your software application 92A96 amp 92C96 User Manual 2 7 Operational Overview Connect the Probes After installing the hardware and software the next step is to connect the acquisition probes from the 92A96 Module to the system under test Refer to Connecting the Probes on page 1 8 or to your application instruction manual for information on connecting the probes Set Up the 92A96 Module 2 8 Select the Software Support Mode Define Channel Groups The settings for the Config Channel Clock and Trigger setup menus must be considered before acquiring data The settings determine what data you will acquire In the discussion of these menus the default settings are recommended they give you a snapshot of your system under test data asynchronously sampled at 10 ns and displayed in a state table format Use the Config menu to choose one of the software supports modes you need for your application General Purpose Support This mode uses all 92A96 Module functions with a maximum sample rate of up to 100 megasamples per second MS s for up to 288 channels High Speed Timing Support This mode places the 92A96 Module in a special timing mode It can sample data at a faster rate up to 400 MS s asynchronously with greater effective memory depth up to four times
218. ue for the Data group is displayed next to the Control group binary value instead 92A96 amp 92C96 User Manual Display Menus Creating Symbol Tables for General Purpose Disassembly Disassembly Format Definition Overlay 92A96 amp 92C96 User Manual A gt symbol at the end of a Mnemonics column row indicates the symbol or value was truncated no more character space m Timestamp Group column The timestamp group shows the timestamp value for each sequence The function keys for the Disassembly menu operate similar to those in the State menu You must create symbol tables for the Control group and for the Data group in order to provide disassembly of the system under test You can also download a symbol table from a host computer To use symbol tables follow these steps 1 Move to the Channel menu and create at least these three groups Address bus Data bus and Control signals The group names must be exactly as written here The Control group should contain the signal lines channels necessary to identify cycle types instruction fetch memory read memory write etc 2 Go to the Symbol Editor menu and create a pattern symbol table for the Control group with symbol names and bit patterns that identify the cycles types The symbol for an instruction fetch must be named FETCH all capital letters because this is a reserved symbol 3 Create a pattern symbol table for the Data group with symbol nam
219. ule formation You can also group 92A96 Modules into a cluster with other application modules to start and stop as a unit and perform time correlated acquisition and display Use the following guidelines when time correlating 92A96 Modules with other modules in a DAS because the TLA 520 Logic Analyzer has only two 92C96 Modules these guidelines are less restrictive to TLA users m Only 92A96 92A60 90 and 92A16 Modules can be correlated together in a module cluster m Each module can only appear once in a correlation set Getting Started Probe Cable Types Microprocessor Support 14 Other Key Features m A maximum of ten modules can be correlated in a single cluster with at most three being 92A16 Modules m You can correlate a maximum of six 92A16 Modules within a multiclustered configuration m A92A16 Module must be paired with another module m No other modules can be correlated with a 92A16 that is already correlated with another 92A16 Module A 92A96 Module correlates with a 92A16 Module under the following conditions m You have to select the 92A16 Module first m The 92A96 Module must be located in the adjacent lower numbered slot to the 92A16 Module The passive probing system comes standard with ribbon type probe cables that have a minimum input signal swing of 600 mV Optionally coaxial type probe cables can be ordered that have a 300 mV minimum input signal swing See Appendix A Specifications f
220. umes its label This effectively moves the mark You can also move a mark by reassigning its label You can remove marks with the Select Options function of the State Timing or Graph Format Definition overlay While in the overlay select function key F2 REMOVE MARKS to delete all marks If the Delta Time measurement feature is on the A delta mark can be used in delta time measurements User marks are associated with the data source rather than with a particular display This means that a mark placed in one type of display appears in the same location for all displays of that data You can turn the display of marks on and off in the format definition overlays If two user marks are placed on the same sample row or column the mark displayed is the one with the lowest letter in the alphabet For example if you marked a sample with a B and later marked the same sample with an E only the B will be displayed as a user mark for that sample The user mark E is still attached to the sample but is not visible When viewing the State menu with only the Timestamp group no data displayed a user mark may not appear immediately after marking a sample The mark will not be visible until you add at least one channel group to the display 92A96 amp 92C96 User Manual 3 75 Display Menus State Menu 3 76 Delta Time You can measure the delay time between any two data points called Delta Time by selecting the measurement reference
221. unction keys 3 109 restore format 3 109 save format 3 109 display parameters 2 10 selections 3 77 3 92 Index 2 timing defined Glossary 7 display menus 2 4 2 10 acquisition parameters 3 74 correlated modules 3 73 correlation limitations 3 73 cursor sequence 3 71 delta time 3 76 features 3 71 3 76 memory differences 3 75 memory domain indicator 3 72 overlays 3 71 qualification gaps 3 74 trigger label 3 74 user marks 3 75 displaying two windows 2 14 Don t Care symbol defined Glossary 4 E edge defined Glossary 4 Edit Groups 3 83 3 85 edit state lines 3 83 edit timing line 3 96 Edit Traces 3 96 3 114 evaluating trigger actions 3 38 event 3 28 See also Compound Event anything 3 36 channel 3 34 3 49 3 51 compound 3 45 consec cycles 3 35 3 36 counter 3 34 3 50 filter defined Glossary 4 flag 3 34 3 51 parameters 3 31 3 36 range 3 33 3 34 3 50 resource allocations 3 50 signal 3 35 3 51 simple defined Glossary 6 timer 3 34 3 50 word 3 33 3 49 external clock defined Glossary 4 external clocking 2 9 3 23 F ag defined Glossary 4 event 3 34 3 51 resources 3 39 function keys Channel Definition overlay 3 20 Channel menu 3 12 Config menu 3 3 Disassembly Search Definition overlay 3 109 External Clock menu 3 24 S
222. ur 198 5761 XX 92A96 amp 92C96 User Manual B 3 Appendix B Options and Accessories B 4 92A96 amp 92C96 User Manual fe a a EE Appendix C User Service This appendix describes the simple service procedures for the 92A96 and 92C96 Data Acquisition Modules It also provides information for removing and replacing podlets The basic module service procedures are intended for DAS users The acquisition modules for the TLA 500 series logic analyzers must be installed by qualified service personnel at a Tektronix field office Initial Inspection DAS Users Only The modules are inspected both mechanically and electrically before shipment They should be free of marks or scratches and should meet or exceed all electrical specifications To confirm this inspect each module card for physical damage incurred during transit Always retain the product packaging in case reshipping is necessary Also retain any antistatic card packaging in case you need to store module cards outside of your mainframe Repacking for Shipment NOTE If your 92A96 Module is not functioning correctly a Tektronix service technician can repair the unit at your site or you can ship it to Tektronix for repairs If a module is to be shipped to a Tektronix field office for repair attach a tag to the module card showing the owner s name and address the instrument serial number and a description of the problem s encountered and or service required Always
223. ur color label on the 90 Channel Interface housing 1 15 Getting Started Installing a 90 Channel Interface Compatible DIN Connector 1 16 3 Connect the 90 Channel Interface ID probe power cable from J200 on the back of the 92A96 Module see Figure 1 5 for the location of J200 to the 90 Channel Interface power connector NOTE Be careful to match the keying on each end of the probe ID power cable to the keying of J200 and the 90 Channel Interface power connector a 180 difference in orientation exists between J200 and the 90 Channel Interface power connector 4 Connect the 90 Channel Interface to the Microprocessor Housing of the probe adapter see Figure 1 8 Refer to your microprocessor specific user manual for specific instructions DAS 9200 gt 8 7 6 5 4 3 2 1 Microprocessor Housing 92A96 Probe Cables Microprocessor Target Head 90 Channel Interface Figure 1 8 Connecting the 90 Channel Interface to a Probe Adapter You can install a commercially available standard DIN connector with standard pinout or a reverse DIN connector with reverse pinout in your system under test in order to accommodate the 90 Channel Interface Figure 1 9 shows two methods of installing a female DIN connector into your system under test 92A96 amp 92C96 User Manual Getting Started 90 Channel Interface Rever
224. urces 3 123 sampling rates 3 117 trigger position accuracy 3 122 triggering 3 122 word events 3 123 input channels 3 15 input radix 3 15 input signals 3 3 92A96 amp 92C96 User Manual inspection C 1 installation 1 5 internal clock 2 9 3 21 defined Glossary 4 L latch mode 3 9 level sensitive defined Glossary 4 limitations resource range recognizers 3 51 state 3 51 store event 3 51 trigger program size 3 52 local operation 1 2 M magnification 3 91 3 93 3 101 marks 2 12 measuring delay 3 55 memory 3 5 depth 1 1 differences 3 75 3 81 3 83 3 95 domain indicator 3 72 3 92 3 101 microprocessor support 1 4 2 8 3 4 defined Glossary 4 mnemonic disassembly defined Glossary 5 module defined Glossary 5 features 1 3 1 5 formations 1 3 type 3 3 versions 1 1 Monitor menu 3 68 counter and timer status 3 68 delay count 3 70 flag status 3 68 memory status 3 69 trigger state 3 68 monitoring data acquisition and storage 3 70 multicard modules 1 7 multiple module external clocking 3 26 O operating cycle 2 7 operating modes 1 3 output signals 3 3 overlays 3 71 defined Glossary 5 P paged memory defined Glossary 5 pattern symbol tables 3 17 podlet defined Glossary 5 replacing C 4 C 6 polarity 3 20 post fill defined Glossary
225. urrent search type Select either relative to the cursor or relative to the previous sequence You can qualify the search by adding a condition 2 lt or nearest to the timestamp you specify Timestamps do not need to be displayed during the search operation 92A96 amp 92C96 User Manual Display Menus 92A96 amp 92C96 User Manual When you select Relative to the Cursor Searches the logic analyzer looks for a user specified timestamp relative to the timestamp of the sequence the cursor is currently on For example you can perform a search to find a timestamp nearest to 500 ns from the cursor As you scroll the cursor and apply the search the search will locate the first timestamp nearest to 500 ns from the cursor If you use the qualifier in this example the search looks for the first timestamp 500 ns or more away from the cursor And if you use the lt in this example the search looks for the last timestamp sequence within 500 ns from the cursor When you select Relative to the Previous Sequences Searches the logic analyzer subtracts the timestamp of the previous sequence from the timestamp of the current sequence If the difference meets the qualified timestamp conditions the search is successful and the cursor moves to that sequence If the difference does not meet the qualified timestamp conditions the search continues advancing through the acquisition data sequence by sequence until the search is either successful or fail
226. us clock cycle this is your only indication that a glitch has occurred For example if a glitch occurs after a positive logic level the next logic state will be displayed as a negative logic level In this way if you know what to expect from your system under test you can recognize that some type of glitch activity has occurred between clock samples Latch mode is only available with internal clocking in General Purpose support mode 92A96 amp 92C96 User Manual Setup Menus Channel Menu 3 10 A label can be shown in the State or Timing menus to remind you when the displayed data was acquired with Latch mode turned on in the Config menu This label is displayed in the Acquisition Parameters lines at the top left of the display menu It displays whenever the Acquisition Parameters selection is turned on in the State or Timing Format Definition overlays The Channel menu selects individual acquisition channels and organizes them into logical channel groups The Channel menu is shown in Figure 3 2 Use the Channel menu to group the address channels the data channels and the control channels and assign meaningful names to each group You can also assign names to the individual channels determine the display radix for data in each group or change the polarity or threshold voltage levels for certain channels Use the fields in the Channel menu to change module parameters related to individual channels or to channel groups
227. use external clocking the distance between grid marks represents one clock cycle Turn the graticule on or off in the Timing Format Definition overlay Timing Format Definition Use the Timing Format Definition overlay to make major format changes to the Overlay Timing menu This overlay controls two major types of functions m Select Options This function lets you set measurement and display features m Edit Traces This function lets you edit and reorder traces in the Timing menu Select Options Function Use the Select Options function to choose the measure ment and display features Figure 3 40 shows the fields and functions when you choose Select Options in the Timing Format Definition overlay TIMIKRG FORMAT CEFTRITIOW Furetto Select Opt core Detta Ting See lk Tu Selection PRIHI Hrita Dist rim Figure 3 40 Timing Format Definition Overlay Select Options Function 3 94 92A96 amp 92C96 User Manual Display Menus 92A96 amp 92C96 User Manual The Timing Format Definition overlay has the following fields and features m Function field Use this field to select either the Select Options or the Edit Traces functions of the overlay m Delta Time Selection Use these fields to turn the delta time measurement feature on and off and select the start and end point of the measurement See Delta Time on page 3 76 for details m Group Value Selection Use these fields to select one or two groups in the Timin
228. used within a single state and within the trigger program as a whole m You can use up to eight unique event resources in a state m You can use up to eight unique event resources in the Store Event m Since the Store Event is in effect in all states the number of unique event resources used in the state plus the number used in the Store Event must be lt 8 For example if there are four unique event resources used in the Store Event each state can use at most four other unique event resources m By default range recognizers are displayed as double ended If you use seven event resources in a single clause and want to add a single ended range recognizer you must temporarily change one of the events to an anything event You must then add the range recognizer and then set the anything event to the desired event m In general the total number of unique event resources that can be used in the trigger program is eight Using more than eight unique event resources in the trigger program is possible but depends on the combination of event resources used and which ones are used in various states As you define the trigger program the allocation of event resources is optimized by the software to maximize the total number of event resources that can be used 3 51 Setup Menus 3 52 Trigger Programming Techniques Trigger Program Size With 16 states 8 clauses per state and 8 events and 8 actions per clause the number
229. using the Print Screen tool to capture and print individual menus The Setup Print overlay has the following fields and features Output Specification field Use this field to select the destination for the print data the choices are RS 232 Auxiliary Port File Network Printer and Network File When you select the auxiliary port the print data is directed to the printer connected to the Auxiliary port connector When you select Network Printer the print data is directed to the network printer specified by the settings in the Internet Addrs field Name host field and Printer Name field When you select Network File rcp the print data is directed to the file specified by the File Name field on the host specified by the Internet Addrs field for the user specified by the User field and the optional path specified by the Remote Path field You must include the internet address in the Internet Addrs field or the host name in the Name field if there is an appropriate entry in the etc hosts file on the logic analyzer Output Format This field specifies the output format of the print data Selections are ASCII default and PostScript Characters per Line This field specifies the number of characters per line to print The maximum number of characters per line is 300 for ASCII format and 80 for PostScript format The minimum is 64 the default is 80 Lines per Page This field specifies the number of lines per page to print
230. vailable sections Channel column Lists the number of each channel in the section Channel Name fields The Channel Name fields specify each of the channel names up to 11 alphanumeric characters with no spaces If you use the General Purpose software support mode the default channel names consist of the slot number for multicard modules only section number channel number and color code The default name for the clock channels contains a number representing the clock line Default channel names for the micropro cessor support mode depend on the microprocessor support package Each channel must have a unique name 3 19 Setup Menus m Channel Polarity field The channel polarity field specifies the polarity of each channel m Function keys Select function key Fl ESCAPE amp CANCEL to exit the overlay without saving changes Function key F4 DEFAULT CUR NAMES sets the channel names in the current section to their default names based on the current software support mode Function key F5 DEFAULT ALL NAMES sets all of the channel names to their default values based on the current software support mode Function key F8 EXIT amp SAVE exits the overlay and saves all changes For channel polarity in general a polarity is specified for active high signals and a polarity is specified for active low signals Selecting a polarity that is the opposite of the actual sampled data inverts it when it is displayed and when it i
231. verlay Timestamp Search Use the timestamp search type to find the data at a specified time Figure 3 36 shows the fields and function keys that appear when you select Timestamp as the state search type 92A96 amp 92C96 User Manual 3 85 Display Menus 3 86 ATE SEARCH DEFINITION For pply search to mrin module location tough ganya PRIHI Hihi FEHU VEAL ria Led E Figure 3 36 State Search Definition Overlay with the Timestamp Search Type Use the Search Type field to select the type of search to perform The Relative to field designates where or how to apply the search The choices are relative to the cursor or relative to the previous sequence Use the field directly below the Relative to field to qualify where to apply the search either relative to the cursor or to the previous timestamp sequence For Relative to Previous Timestamp searches the choices are 2 or lt For Relative to Cursor searches the choices are 2 S or nearest The largest valid timestamp value allowed is 97 44 03 720 888 315 s 97 hours 44 minutes 03 seconds 720 milliseconds 888 microseconds and 315 nanosec onds However the 92A96 Module only allows a maximum value of 48 52 01 860 444 400 s before it wraps back to 0 Use the Search Range fields to specify the lower and upper bound sequences of the range you want to search The default value is the entire acquisition memory To search for timestamps select Timestamp as the c
232. wo signal inputs to the 92A96 Module for each 92A96 Module Refer to the discussion of the Signal Definition overlay in your DAS or TLA 500 series logic analyzer user manual The names and types of each signal you defined for your module are listed in the Config menu You cannot pulse and assert unassert the same signal in a trigger program Figure 3 15 shows an example of the use of signals 92A96 amp 92C96 User Manual Setup Menus 1 Trigger T Aasart Signa algnal oat Fa FR FI DEFAULT LESI DELETE TRIGGER LIBRARY FPO FTE si mee hhh Ga ea a Paro oss n m esta pia oa fest Figure 3 15 Trigger Program Using Signals The program in Figure 3 15 causes the module to trigger and assert an output signal when address A000 is accessed after the reception of an input signal The Trigger menu also allows you to select an output signal named module sync out The module sync out signal is a default output signal for the 92A96 Module you do not have to define it in the Signal Definition overlay The signal is TTL DC coupled and is applied to the SMB connector J900 on the back of each 92A96 Module in a multicard module formation A sync out cable P6041 is provided with the mainframe The P6041 offers a SMB connector to connect to the 92A96 Module J900 Sync Out connector and a BNC connector to let you apply the module sync out signal to trigger an external device such as an oscilloscope or your system under t
233. y 0 0 2 eee ee ee eee eee 2 13 Readjusting Setup Parameters 0 0 0 0 eee eee ee eee 2 14 Reference Setup MOIS eo sieeve sie tr LET na Boyes ere 3 1 Configuration Menu 3 1 Module Type Channel Count 3 3 Software SUpport iii e E 3 3 Acquisition Memory 3 5 Lateh Mode sr tinea a at ii AOS LL 3 9 Channel Meni Asena a a A OE eli 3 10 Creating Channel Groups 3 12 Threshold Definition Overlay LL 3 17 Channel Definition Overlay 00 0 eee eee ee eee 3 19 Clock Menusa et es BE OE tetas es Ore A ee ee 3 21 Internal Clocking scrisse ae LIA eS ee 3 21 External Clocking iii ee eh ero 3 23 Custom Clocking i iii ia Abe aaa e 3 26 Png ser Menu cca Oe tote al ie 3 26 Setting Trigger Position 0 0 00 e e ee eee eee 3 29 Creating a Trigger Program LL 3 31 Using Storage Qualification LL 3 47 Trigger Program Constraints 0 0 eee ee eee ee eee 3 49 Trigger Programming Techniques 3 52 Trigger Library Overlay LL 3 57 Setup Print Overlay cicale aa Le ae iii 3 64 Sending Data to a Local File 3 66 Sending Data to a Network File LL 3 66 Printing a Menu to a Local Printer 3 67 Printing a Menu to a Network Printer 3 68 Monitor Menu 2 05 stich antes ae hes 3 68 ii 92A96 amp 92C96 User Manual Table of Contents Display Menus i sith aaa tt 3 71 Features of the Display Menus LL 3 71 Overlays crei ga da Ri at Ar gi 3 71 Cursor Sequence Field oi ei si
234. y and how to search for data Use the Timing Print overlay to print timing waveforms for selected sequences Timing print support differs from other print support in that the Timing menu is printed sideways on a page or strip of pages using a graphics or PostScript printer Each strip contains up to 63 34 for PostScript traces per page for as many pages as are required to print the specified sequences Sequence numbers are printed on the top and bottom of the page with the timing waveform for each signal extending from left to right Figure 3 42 shows an example of the Timing Print overlay 92A96 amp 92C96 User Manual Display Menus 92A96 amp 92C96 User Manual TIMINO DIAGRAM PRINT faved Printer Settings 34 Traces Per Strip Dutput Specification Comont in Hoadir Print sequence Wunbers Fal FS DEFAULT START SETTIMES PRINT PRINI a Figure 3 42 Timing Print Overlay In addition to the fields in the Setup Print overlay and the State Print overlay the Timing Print overlay has the following fields and features m Output Format field This field specifies the type of printer output format the formats supported are the Epson FX 9 pin Epson LQ 24 pin PostScript and IBM Proprinter compatible NOTE Timing menus diagrams are output in one of the graphic formats defined in the Output Format field Your printer must be compatible in one of these formats m Paper Width field Use this field to spe
235. y type of acquisition or reference memory analysis that occurs after rather than during the acquisition Pre fill A requirement that a logic analyzer fill a predetermined number of acquisi tion memory sequences with new data before accepting a trigger With the trigger programmed to occur in the center of memory one half of the memory must be filled before the trigger Probe An input acquisition or output pattern generation device constructed as a separate unit As an input device it transmits the input signal from the circuit under test to the logic analyzer As an output device it transmits the output signal from the logic analyzer to the circuit under test 92A96 amp 92C96 User Manual Glossary 5 Glossary Glossary 6 Probe Adapter A microprocessor specific lead set that connects the acquisition module Probe to a system under test For example the 80286 Probe Adapter Refmem An abbreviation for Reference Memory Reference Memory Acquired data that has been stored in a file for use as a reference base for instance to compare with future acquisitions Sample Clock Determines the points in time when the 92A96 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 Sampling Rate The frequency at which d

User Manual 92A96 & 92C96 Acquisition Module 070

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User Manual 92A96 &amp; 92C96 Acquisition Module 070

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User Manual 92A96 & 92C96 Acquisition Module 070