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DigiView User's Guide

1. Asynchronous Signal The list format for this signal consists of a HEX ASCII and Status column Status e No Errors e F Framing Error e P Parity Error e B Break Synchronous Signal The list format for this signal consists of a HEX and ASCII column The ASCII column will be blank if the packet value is greater than an 8 bit ASCII value If a packet is terminated prematurely when using the Enable qualifier the HEX value will display the letter T State Signal The list format for this signal consists of a HEX and ASCII column If a packet is terminated prematurely when using the Enable qualifier the HEX value will display the letter T 4 9 Using Link Groups Link groups provide Synchronous Scrolling of a group of windows that display data When several windows are part of the same Link Group each window will automatically update and scroll when any member of the group changes its center time The time reference and displayed data of each member will center on the time the changing member centers on This feature keeps a group of windows synchronized to the same time in the captured data DigiView provides five link options that include Link Groups 1 through 4 and a no link option for windows that you want to keep independent Default link groups Link Group 1 Waveform View 1 is always a member and all new windows initially belong to this group Link Group 2 Waveform View 2 is always a member of
2. 2007 TechTools 106 DigiView User s Guide DV3400 200MHz Full Resolution Capture Minimum 512K x36 samples Sns 2 6m Maximum 2 6ns 52 4 510 15 samples Sns 260 DAYS Serial assumes gt 01 Baud lt 85 sec between bits bytes RS232 gt SYNC gt I2C gt 8051 cycles gt 1MHz clock gt 60Hz clock gt DV3400 400MHz Full Resolution Capture 47 000 characters 12 000 characters 10 000 characters 40 000 code fetches 131 000 cycles 131ims 26 Million samples 131 000 cycles 36 MINUTES 216 Billion samples Minimun 1M x18 samples 2 5ns 2 6m Maximum 2 s 53 9x10 15 samples 2 5ns 260 DAYS Serial assumes gt 01 Baud lt 85 sec between bits bytes RS232 gt SYNC gt L2C gt 8051 cycles gt 1MHz clock gt 60Hz clock gt 47 000 characters 12 000 characters 10 000 characters 40 000 code fetches 131 000 cycles 131ims 52 Million samples 131 000 cycles 36 MINUTES 432 Billion samples Final note the data is compressed in real time with dedicated hardware and is NEVER fully de compressed which could result in data files much larger the available hard drive capacities DigiView software transfers the entire compressed data buffer from the hardware to internal PC memory in compressed form This allows us to transfer the entire buffer in about 1 second The waveform display routines fetch only enough data from the comp
3. i TechTools DigiView User s Guide 2007 TechTools DigiView User s Guide 2007 TechTools All rights reserved No parts of this work may be reproduced in any form or by any means graphic electronic or mechanical including photocopying recording taping or information storage and retrieval systems without the written permission of TechTools except for the purpose of enhancing the operation of the product by the end user informing other prospective users of the product s features or for instructional benefit by the US Government or an educational institution While every precaution has been taken in the preparation of this document TechTools assumes no responsibility for errors or omissions or for damages resulting from the use of information contained in this document or from the use of programs and source code or hardware that may accompany it In no event shall TechTools be liable for any loss of profit or any other commercial damage caused or alleged to have been caused directly or indirectly by this document Printed July 2007 in Garland Texas U S A Publisher TechTools P O Box 462101 Garland TX 75046 2101 U S A Technical Sales 972 272 9392 Fax 972 494 5814 Email Sales tech tools com Support tech tools com On The Web www tech tools com Contents l Table of Contents Part 1 Part Il 1 2 Part Ill 1 Part IV P WO N Foreword Installing the Software
4. Binary Enter b followed by 1 s and 0 s If too many digits are typed the MSb leftmost bit will be discarded Any numerical value larger than a 1 or non numerical character will be considered a 1 ASCII Start the value with a single or double quote Duration Enter the match duration by selecting the units then typing the value The Maximum Duration period for Model DV3400 is 5 ms The Trigger condition will not be considered as True until the entered value for the selected signal has been valid for the indicated duration period Identifier Change the identifier to something meaningful for the match condition if you do not want the default Match to be displayed in the formula and the graphical configuration area of the trigger screen 2 2 2 1 2 Sequencer Model DV3400 s trigger circuit includes 4 cascadable 4 stage sequencers These can be chained in any combination to produce longer sequences 1 16 stages 2 8 stages Each stage includes a 20 bit pass counter Sequencer 1 Trigger Out Sequencer 4 1 1 1 1 Setting the Counter 2007 TechTools A0 DigiView User s Guide Double Click in the counter to edit its value When finished editing either use the Enter or Tab key to assign the new value to the configuration Anytime the configuration changes use the APPLY button to activate the new settings NOTE 0 is an invalid value so the counter editor will enfo
5. To exit this window without saving the image choose the Cancel button Include Comments Select this option to add comments to the Bottom of the image to save When the Print Window is opened the capture data and time are automatically added to the comment section If you do not want to include the capture information it can be deleted The comment box will increase in size as you type comments Since the comment box is actually part of the image to save the size of the image will increase as the comment needs more room The preview in the upper portion of the window will automatically update as you 2007 TechTools Printing 99 change options or type comments Orientatio Output Type CG Portrait C Landscape JPEG Printer Canon i250 Type any comment here The Comment Box and the image size will increase as the length of the comment increases Type any comment here The Comment Box and the image size will increase as the length of the comment increases Image Size 587 x 1024 IV Include Comments Cancel Save Image Cancel Button Use this button to close the print window without saving the image or if the image was already saved when selecting the destination Save Image Use this button to save the image to the selected destination 2007 TechTools Creating Saving and Restoring Files Part Creating Saving and Restoring Files 101 8 Creating Saving
6. Model DV1 100 has 2 preset match types Pattern and Edges Model DV3400 has a total of 8 configurable match circuits and each can be set to one of 9 different match types Match 3 Setting the Match Type A non configured or cleared match will be identified by a as seen above To set the match type simply click on the cleared match and select the type from the menu that appears Define Match Type gt Edit Match Delete Match Editing the Match Condition When selecting or changing the match type the editor for the match condition will automatically appear To edit the condition later simply click on the match or right click on the match and choose Edit from the menu that appears Available Match Types Pattern Edges tabl Equal Not Equal Greater Than Greater Than or Equal Less Than Less Than or Equal Wa iO E 2007 TechTools Configuration 27 See Trigger Configuration DV1 100 Triggers 2 2 2 1 1 1 Pattern Match The level trigger is a pattern match detector You can configure it to match any combination of 0 1 or don t cares across all 18 or 36 channels The Pattern Match Editor is displayed below IJ Configure Match Parameters SAX LPATTERN Identifier Match Unamed ALE 3 ALE a l AD14 0 14 lt gt 0 ol ayer Kass It E bree Code Address Enable AND OE DATA o BI 14 l o Aa o Az SEI 10 AND Address Enab
7. Value format decimal HEX binary ASCII 10 0x4 b1010 4 A Delete Fp Search This search type has a group of search terms or criteria that is specific to State signals and can perform a search sequence by adding additional term groups Groups can be added by using the Copy or More buttons You can see in the STATE search displayed above that it is configured for 2 sequential searches When the search button is selected this search will walk through the signal s data until it finds the value defined in the first term group Ox9FD Then it will look at the very next qualified state change since the skip count is zero to see if it does not have a value that matches the next term group since the match condition is Not Equal If it does not then the focussed window will scroll to the match point and set Marker X If the next state did have the specified value then the search starts over again from the packet AFTER the one that contained the value Ox9FD This sequence of searching will continue until all match conditions are true or the end of data has been reached Skip Determines whether to skip all packets until a match is found or to skip the number of 2007 TechTools 76 DigiView User s Guide packets specified in Skip Count and then see if the next packet is a match Skip Count Determines the number of packets to skip before looking for a match This value is ignored if Ski
8. C Program Files T echT ools Digiview E xport export cs4 bs Export To At the top of each export dialog the file name and path for the export file will be displayed To change the name or location chose the button to the right of the filename You can chose any valid storage device for your system including a Network Drive Floppy Disk FLASH Memory and etc 49 009 GB From Data Start elie Data End v 157 593463150 Sec 157 265073810 Sec Time Range Select the Starting time and Ending time of the data to export You can select from several predefined time points i e Waveform View 1 Start Trigger Marker X etc or select Custom to manually enter the time Estimated Free Disk Space The available space of the export destination is calculated and displayed here The available space will be calculated whenever the destination changes While the export is in progress this will be updated to keep you informed of remaining space If the available space becomes too small for the remaining portion of the export then the export will automatically finish without exporting the rest of the data Required Disk Space The amount of disk space required to hold the exported data will be displayed here Since all storage devices require a minimum amount of space to hold a file the minimum file size will be shown if the exported data is smaller If the export size is very large the background color of this display will turn to
9. Installing the USB Drivers cseecseseesseeeeeseeeeeseeeeseeeeneeeees Configuration Connecting the Data Lines 0 csssecceseeseseeeeseeeeeseeeeseeeenseeees Defining Signals and Triggers ccsscsssseeeseeeesseeeseeeenseeees GC LEES GI EIN TC Boolean ege REESEN AER eEd SS ene ue CET Al EI SEN ES leede Ee ees SYMCHHOMOUS Zossen EE deed SE geg ULC CEET Trigger ele Hielen EE Math el Pattern Math ssiccsitssstssvicrstsisescasvezsiscessarsvaisiecesba cotzensvinsstes Edge Match Zeisseng eden INTE AE e EE EqualiMatemi csseszeisessassceescisiseds sects seearissecaierhsateansensdisadecs Not Equal Mattel EE Greater Than Match Greater Than or Equal Match Bess Tham Matches cizcsassxctacerssssteacsasctesshsacesnestessisadsavacrasiceasce Less Than or Equal Match Sequencer EE Trigger Selection Edtor AAA DV1 100 Trigger Overnvlew AmalyZer Options a eaaa raae ena aena aa eanas aaaea aan aaaea aaaea Color Themes ssssssassennnennnnunnnunneunnnunnnuunnnnunnnunnuunnnnnnnnnnnnnnnnnnnnn nnna Environment Settings csccssseccsseeeeeseeesseeeeeeeeeeeseeesseeeeneeeees Capturing Data Capture Troubleshooting cscccsecceeeeceseeeeeseeeeeeeeeeseeeeenseeees Navigating and Analyzing the Data Waveform NICE Using Cursors and Markers csecccssscesseeeeseeeeesseeeneeeenseeees Marquee Zoom nssssnsssnnnnennnnnnennnnnnnnnnnnnnnnnnnnnnnnnn nnmnnn nnnnnn nnmnnn nnna Toolbar Cu
10. This flexibility allows you to dock the windows in virtually any configuration Floating a window To undock a window simply drag it off of the dock site by its title bar double click its title bar or click on the down arrow in its upper right corner Over riding Docking If you wish to drag a window near a dock site but do not want it to actually dock hold down the control key while dragging This will disable the docking behavior allowing you to drop the window without docking it also see Tabbing Windows 2007 TechTools Window Arrangement 81 5 2 Tabbing Windows Tabbing windows Secondary windows can be merged together by dragging one window over another When you drag any secondary window over another secondary window a centered gray rectangle appears 100 ns 395 030 us AEA S 440 250 us 440 530 us WS AD1 0 lt 100ns Ze Data READ De Data Read xx20 Ze Fetch from 094D Ze Missing ALE Fp Data Read xx2x Dei Address Latch Zei Code Fetch This indicates that dropping the window at this point will merge them together into a single window Each original window appears on a TAB in the new window Dropping additional windows onto the tabbed window creates additional tabs 2007 TechTools 82 DigiView User s Guide 5 2 1 ol Status Search Manager F AD1 0 lt 100ns Ze Data READ Se Data Read vu20 Ze Fetch from 094D Se Miss
11. To see the sub portions of a signal click the expand button in the left column next to the signal s name then add the sub portion in the same manner as any other signal For instance if you have defined a Synchronous Serial signal i e SPI and you want to add the Enable portion of the signal to the Greater Than match then expand it and double click on Enable It would then appear on the right portion of the editor The Less Than or Equal Match type only accepts one signal at a time After a signal has been added the ADD button will be disabled as shown above until the current signal is removed Delete a Signal Highlight a signal in the right portion of the window or mouse over its bit selections and click the button to delete it from the Less Than or Equal Match Match Value Format The value for the Less Than or Equal Match type can be entered in Decimal HEX Binary or ASCII format The value will be limited to the maximum value allowed for the selected signal which will depend on the number of bit positions assigned to the signal The formats for entering each value type is described below Decimal Enter any valid decimal value An Invalid value will be cleared to 0 or assumed to be HEX HEX Start the value with an x or a Ox If too many digits are entered the most significant nibble leftmost will be discarded Any non HEX digit will be ignored 2007 TechTools Configuration 39
12. current limits and impulse suppression However mishandling could still damage them Simply treat them like you should treat your valuable one of a kind target and DigiView will give you years of service 2 2 Defining Signals and Triggers The hardware will ignore any data lines that are not defined as part of a waveform or part of a trigger This prevents unused signals from eating up the sample buffer space even if they are connected to active signals Waveforms that are DEFINED but disabled will be captured but not displayed DigiView uses real time hardware compression to greatly extend its capture buffer Most data you are likely to monitor lends itself well to our compression technique Compression ratios of 100 1 are common With sparse data compression ratios of over 200 000 1 are achievable Since the degree of compression depends on the amount of activity you will achieve maximum compression if you only define signals of interest DigiView model DV1 100 ALWAYS samples at a 100MHz rate and Model DV3400 has a selectable sample mode of 200MHz or 400MHz Signals Triggers 2 2 1 Signals The DigiView DV1 100 hardware has 18 physical channels and the DV3400 can be configured for 18 or 36 channels However we like to think in terms of symbolic names representing individual signals clock ALE or groups of signals DataBus Address rather than channel numbers 0 1 2 We start by defining SIGNALS in terms of CHANNELS This is the onl
13. 51 57 Trigger Configuration 23 Trigger Configuration Selection 23 trigger criteria 22 Trigger Formula 23 trigger immediately 22 Trigger Selection Editor 40 Trigger Thresholds 42 Triggers 22 5 Troubleshooting 48 U Understanding DigiView Compression 105 USB Drivers 2 user preferences 4 Using Cursors 51 53 Using Link Groups 65 Using Templates 102 Using the same channels in multiple definitions 7 Value or Sequence 70 75 77 Vertical Lines 44 Viewing the Data as Graphical Waveforms 51 Viewing the Data in Time Relative Columns 51 W Wave Form viewing modes 10 12 8 Wave Form Views 44 Waveform Association 53 Waveform View 57 Waveform Views 51 WEB Download 2 Where to begin Searching 66 Window Arrangement 80 X xX 59 X and Y markers 53 X Y Snap 53 X Y Tack 53 NW Y 59 a Z 59 Zoom 51 Zoomin 57 Zoom In Max 57 Zoom Max 51 Zoom Min 51 Zoom Out 57 Zoom Out Max 57 2007 TechTools M TechTools 972 272 9392 www tech tools com
14. Active Marker Column on the right In the image below Marker A is associated with PSEN and the value of PSEN at the marker position is 0X01 as shown in the Active Marker Column To associate the Active Marker to another waveform and snap to the next edge of the waveform right or left click in the Active Marker Column of the waveform 2007 TechTools 56 DigiView User s Guide Snap Left Right To snap the active marker to the previous or next edge of the associated waveform either right or left click in the Active Marker Column or on the dedicated snap button next to the Active Marker Column s marker identifier In the image above the identifier is A and the dedicated button is the same color as marker A This allows one to walk any marker from edge to edge on a specific signal To walk through two different sections of data or two different signals simply select each desired marker using the Quick Select flags Each marker maintains its position allowing one to jump back and forth between them You can walk one signal for a while jump to the other marker and walk that signal and then jump back to the first marker and pick up where you left off Left Click to Snap Left Right Click to Snap right Marker Tack The button just above the Active Marker s snap button will toggle the Tack feature of the marker When the button is pressed tacking is enabled When the Tack option is active snapping the marker will bri
15. Bus o ab to E OO 4 Write Read X Cancel ADD a Signal Highlight a defined signal from the left portion of the window and click the button to add it as the Greater Than Match You can also just Double Click the defined signal to automatically add it NOTE High Level signal definitions such as State 12C or etc cannot be added directly as a complete signal However the individual portions of the signal such as the DATA portion of a State Signal can be added in the same manner To see the sub portions of a signal click the expand button in the left column next to the signal s name then add the sub portion in the same manner as any other signal 2007 TechTools 34 DigiView User s Guide For instance if you have defined a Synchronous Serial signal i e SPI and you want to add the Enable portion of the signal to the Greater Than match then expand it and double click on Enable It would then appear on the right portion of the editor The Greater Than Match type only accepts one signal at a time After a signal has been added the ADD button will be disabled as shown above until the current signal is removed Delete a Signal Highlight a signal in the right portion of the window or mouse over its bit selections and click the button to delete it from the Greater Than Match Match Value Format The value for the Greater Than Match type can be entered in Decimal HEX Binary o
16. E 2007 TechTools DigiView User s Guide oO ON oO Oo 10 Part V Part VI 1 2 3 Part VII 1 2 Part VIII 1 Part IX 1 Ell KE CK IEN PHO YS ees Table View WiINdOWS cccccceccceseseeeeeeeeseeeeeseeseeeseseseceeseseeceeeennsecenens RG ATESIUWAUII e VC Using Link Group eeeeeetetegege Eege Emaan aA E E sonreir a aE EEES Define Searches scccssncinctseccvsscssecveanducestesessateicatecsstesdecsancexseresuedeseiseciesceveseiscarestedsdas Searchin Sege Search Manager WindOWS c csccsseceseeeeeeeeeeeeneeseeeeaeeeseeeeeeeneeeeeeeseeeneeeeeaees ORK Aevpnchronous Gearches VE EI e Pattern Gearches tennene ennenen State SEAC NES gees Seed EES deine CET Window Arrangement Docking Windows 1cccceecsseteeseeeeeeeeeesenneeneeeeeeseeseseeeeneeeeeseneseeneenenenees Tabbing WiNKOWS 2 ccceceeeeeseceeeeeeeeeeeeeeeseneneaeeeeeeseeeseesnneeneneaeeeeeeeens Tab Window el Exporting Exporting All Signal Data ccccsecssseeeeseeeeeeeesesneeeneeeeeseneseeseeneneeees Exporting from List WiNdOWS s ccssecsseeeeeseeseseeeeeeeeeeseeesesseeneneeees Exporting from Table WiNdOWS ccccsseeeeeeeseeeeeeeeseeeeeensneeeeeenees Printing Printing Kal e VE JPEG Option cu ccccscecedccsceciseecceecacseeceandevscesanccdecescdessnecentecduuereseneceenucs Creating Saving and Restoring Files Using Templates cccceeecsseeceseeeeeeseeesnaesen
17. and Restoring Files Save As The Save As function is under the FILE menu The current state Zoom time cursor locations waveforms associations waveform definitions trigger definitions and the entire data buffer are saved to the file you select The data is always stored in compressed format so its size will vary from a few KBytes up to just over 4 MBytes Open The Restore function is under the File menu File gt Open This will load a previously saved data file along with all of its settings Auto Save Restore The Auto Save and Auto Restore options are found in the Environment settings found under the CONFIG menu When both of these options are enabled DigiView auto saves the current data settings and state when you exit the program or load a new file and auto loads this information when you start the program This allows you to pick up where you left off the next time you start the software without having to save restore You can still save the file manually anytime you need a specific snap shot of the data by using the Save As option or Save button New To start completely fresh and eliminate all defined signals searches data triggers and windows select the New option from the File menu For additional ways of starting a new session with some pre defined windows see Using Templates When creating a new Capture file you must select the proper analyzer model and optionally the preferred sampling mode For this r
18. can be formatted as Binary HEX or Decimal Time Display can be set to Auto ns us ms sec min hrs days or weeks Time Format can be set to Delta or Absolute Time Column can be hidden Set Clear or Jump to markers See Cursors and Markers Assign Time Synchronized Link Group see Using Link Groups Select which Signals to view in each Table Edit Signal Properties see Signal Editors Print current Table View or Save as JPEG see Printing Export data using Table s settings see Exporting Tables Goto Trigger Goto Other gt Goto Marker gt Set Marker gt Clear Marker gt Link gt Time gt Units gt Show Signal gt v Show Time Column ADD 0 15 gt Edit ADD 0 15 Print Table Export While most manufacturers provide table views they generally are not too useful for anything other than STATE mode signals Most logic analyzer demos will show data changing on every sample making the table view look interesting in timing mode However in real usage most signals do not change at anywhere near the sample rate causing the table to show a small sample of stable data You might have to scroll several screens before seeing the signal transition We have added several enhancements to the basic table view to make them truly beneficial in real world usage Compressed View d This mode compresses out the dead me between transitions packing a lot more information into a screen of table data Each line of data in
19. comment needs more space Print Area 8 00 x 10 69 600 600 dpi Iw Include Comments Cancel Print Cancel Button Use this button to close the print window without printing Print Use this button to send the image to the printer 2007 TechTools Printing 97 7 2 JPEG Options To save the View s image as a JPEG file select JPEG as the Output Type After selecting this output type the options in the Print Window will change for JPEG images OutPut To Je Program Files T echT ools Digiview images DV_i2c jpg Orientatior Output Type GG Portrait C Landscape JPEG Printer D 3 13 2006 03 02 12 pm 3 13 2006 03 02 12 pm Image Size 572 x 199 j O Cancel Save Image OutPut To The currently selected image file name and path will be displayed here Use the Select Save Location button to change the name or path and preview images already saved 2007 TechTools DigiView User s Guide Select Save Location Use this button to change the destination and save the image or preview images already saved DigiView Select File Name and Location Save in images e Dier ES 981x179 R Q 1Dvimage jpa My Recent Documents D My Network File name DV Geo hd Places Save as type JPEG Image File ipg To preview a saved image select an image from the list then use the button in the top right corner of the window
20. completely disable the Signal Definition It is recommended to disable any signals that use channels that are not connected to a physical device When a capture takes place Run any channels that are assigned to disabled signals will be ignored instead of using valuable capture space Invert Signal Value This item is de selected unchecked by default Check this item to have the value of the captured channels inverted before processing or displaying for this signal definition This setting will not effect any other signal definitions that may use the same channels Channel Selection This is where you will associate a signal definition with the physical channels or connections to the outside world Each signal definition type will have one or more channel selection groups and will allow one or more channels to be selected for each group Each channel selection group will be identified on its left if more than one group is available for the signal type To select a channel click on the below the proper color and channel number that corresponds to the physical connection of the DigiView Cable see Connecting the Data Lines Channels that are selected for this signal will replace the with a blue dot as shown above Channels that are already defined in other signal definitions will have a darker color around the selection area for the channel as channels 0 through 6 do in the graphic above Reset Colors This button will
21. declared This value is ignored if searching for any packet error A sequence of values must be delimited by a or a space or both Each value can be specified as Decimal 0 HEX 0x00 binary b00000000 ASCII 0 or a mix of these formats as shown in the first term group above ASCII HEX ASCII Match Point The selected marker will be set to the match point when a match occurs If multiple terms are used then you can specify which term group should be used to mark the match time In the graphic above the first group has been chosen as indicated by the blue line to the left of the group The line s color will reflect the color of the chosen marker when selected To select a different group use the mouse to click on the line to the left of the group If no group is chosen the first group will be the match point Disabled Select this option to have the search ignore the term group Adding Term Groups The More button is used to add term groups Groups are added after the selected group If no term is selected then the new term is added to the bottom of all term groups When a group is selected it will be highlighted using the current theme s Window Color In the graphic above the second group is selected Deleting Term Groups The Less button is used to delete term groups When deleting groups the selected group will be deleted If no group is selected then the last group will be deleted When a group is selected it wi
22. each value in zen Value or Sequence Gi Disabled E Value format decimal HEX binary ASCII 10 0x4 b1010 4 X Delete Zo Search This search type has a group of search terms or criteria that is specific to Synchronous signals and can perform a search sequence by adding additional term groups Groups can be added by using the Copy or More buttons You can see in the SSYNC 1 search displayed above that it is configured for 2 sequential searches When the search button is selected this search will walk through the signal s data until it finds a sequence of packets with data that matches the values defined in the first term group p IW Ox1B 0 0x60 1 0x60 Then it will look at the very next packet since the skip count is zero to see if it has a value greater than the value of the ASCII character v If this packet does then the focussed window will scroll to the match point and set Marker X If the next packet value was less than or equal to v then the search starts over again from the packet AFTER the one that contained the ASCII character p This sequence of searching will continue until a complete match is found or the end of data has been reached Skip Determines whether to skip all packets until a match is found or to skip the number of 2007 TechTools 78 DigiView User s Guide packets specified in Skip Count and then see if the next packet is a match Skip Coun
23. first select the signal in the Signal Selection area If changes are allowed for the selected signal then the format options will enable Select the desired option Field Separator Chose the character for separating each item on a line of exported data Include Time Stamp Select this option to include the time of each exported sample Include Status Select this option to include the Packet Status Include I O Direction Select this option to include the I O direction Read Write Include Packet Type Select this option to include the packet type Exported Data Example This area provides an instant preview of the data to export and is updated when any option or signal format is changed Exporting from Table Windows This export method can be selected from the File menu or directly from a Table Window s menu Table Exports provide all the same options as the Export All function but will automatically include all columns of the table This means you will not have to select which signals to export plus all channels of any signals that are expanded will also be included in the export This is the only export method that will export expanded channels see Exporting Export All Table Windows Tables display and export signals in their raw data format If you need to export the decoded data of higher level signals such as I2C then the List Export should be used instead see List Export 12C Signals The Exported Data
24. leftmost bit will be discarded Any numerical value larger than a 1 or non numerical character will be considered a 1 ASCII Start the value with a single or double quote Duration Enter the match duration by selecting the units then typing the value The Maximum Duration period for Model DV3400 is 5 ms The Trigger condition will not be considered as True until the entered value for the selected signal has been valid for the indicated duration period Identifier Change the identifier to something meaningful for the match condition if you do not want the default Match to be displayed in the formula and the graphical configuration area of the trigger screen 2 2 2 1 1 5 Not Equal Match The NOT Equal Match type is only available on DigiView Model DV3400 The NOT Equal Match Editor 2007 TechTools 32 DigiView User s Guide IJ Configure Match Parameters BAX NOT eent Identifier Match Unamed Duration Before Valid 0 ns X Boolean ADD 0 15 ADD 0 15 l b1101111111 Analog Ee Dec 9895 ASYNC Serial Hex 37F SNN SERIAL Bin 1101111111 Enable DATA LK State Data Bus Write Read Det eh eh ee Value format decimal HEX binary ASCII 10 0x4 b1010 i X Cancel ADD a Signal Highlight a defined signal from the left portion of the window and click the button to add it as the NOT Equal Match You can also just Double Click the
25. may want to save a specific view to a graphic file or send ittoa printer Both of these functions can be done from DigiView s Print window To open the Print window select a Table List Waveform view or the main view from DigiView s FILE menu The selected view will be presented in the Print window with the options set to JPEG by default The view to print can also be selected directly from a view s popup menu Details of the Print Window s options are described in the next two sections e Printing Options e JPEG Options 7 1 Printing Options To send the view s image to a printer select Printer as the Output Type After selecting this output type the options in the Print Window will change for printing a Print Preview Orientatioi Ce Portrait 3 13 2006 03 02 12 pm Print Area 8 00 x 10 69 600 x 600 dpi Iw Include Comments Gi Cancel Print 2007 TechTools Printing 95 OutPut To The currently selected printer name or print driver name will be displayed here Orientation Select the orientation This is the same setting that can be accessed from the Configure Print Device options Configure Print Device Use this button to access all options of all available print devices Print Setup Printer Name EH Properties Status Ready Type Canon i250 Where USBOO1 Comment Xi Paper Orientation Size Letter D Portrait Source Auto Sheet Feeder D C Landsca
26. more productive The general paradigm is to find points of interest bring them to the center of the screen and then ZOOM We provide several methods of finding edges and bringing them to the center of the screen so that you can zoom in and out without having to constantly scroll to zero in on the point of interest Navigation Cursors Markers amp Buttons Waveform Views Using Cursors and Markers Marquee Zoom Toolbar Buttons Bird s Eye View Hot Keys Viewing the Data in Time Relative Columns Table Windows List Windows Linking Views into Time Relative Groups Using Link Groups Searching the Data Search Overview Define Searches Searching Search Manager Windows Search Types 4 1 Waveform Views Wave Form views are the central focus of navigating and analyzing the huge amount of captured data In the waveform views you can Zoom quickly to different resolutions without throwing data away snap to edges or beginning of packets drop markers to correlate time between transitions and much more 2007 TechTools 52 DigiView User s Guide ii Bano lt 9D9 ToS i Ce meme at rat erb _ Yorn E oo fe fa fos fos fos o fo ToS i SS Lamm Lamm l 990 Il 990 l Sr Il 991 l v Waveform View Function Summary e View multiple signals in time correlation e Expand Multi Channel Signals to see individual channel waveforms by using the symbol to the left of the sig
27. reset the colors for this signal so that they will match the currently selected color theme see Color Themes 2007 TechTools 14 DigiView User s Guide 2 2 1 1 4 Analog The Analog Signal also provides viewing of multiple channels as a single value but displays this value as a proportional value in the Wave Form views The waveform height will be the value of all the channels proportional to the maximum numerical value of the number of channels chosen The chosen channels do not have to be consecutive Any skipped channels in this definition will be ignored and the selected channels packed to form the bits of a single value The lowest selected channel will be the least significant bit LSB In the graphic below channel 0 is the LSB and channel 7 is the MSB Analog Signal Editor X Color Selection amp Examples oe C C BB Signal Color O Signal Background BB Signal Peak Color Enable Signal Channels BB Invert Signal Value Channel Selection 17 P16 i5 14 13 12 11 iols e 7 le 5 4 3 2 1 fo Reset Colors F 1 X Cancel Signal Name Change the text displayed here to help you identify this signal definition If the name has already been used it will automatically be appended with a numerical value in brackets i e 2 The name displayed here will be used in the Waveform Views searches tables lists if applicable exports and all menu references Color Selectio
28. the proper color and channel number that corresponds to the physical connection of the DigiView Cable see Connecting the Data Lines Channels that are selected for this signal will replace the with a blue dot as shown above Channels that are already defined in other signal definitions will have a darker color around the selection area for the channel as channel 7 does in the graphic above Reset Colors This button will reset the colors for this signal so that they will match the currently selected color theme see Color Themes 2007 TechTools 16 DigiView User s Guide 2 2 1 1 5 12C Use the 12C Signal type to decode two channels using the full 12C serial protocol 12C Signal Editor X Color Selection amp Examples Default W Signal Color O Signal Background Enable Signal Channels BB Invert SDA BB Invert CLK Noise Filter 0 to 50ns J a 50 ns Channel Selection az 1641514 13f12 717 DI fs 7 6 5 4 3 2 1 0 Reset Colors X Cancel Signal Name Change the text displayed here to help you identify this signal definition If the name has already been used it will automatically be appended with a numerical value in brackets i e 2 The name displayed here will be used in the Waveform Views Searches Tables Lists if applicable Exports and all menu references Color Selection amp Examples If this signal definition has multiple Wave Form view
29. the table contains the timestamp and the data The time between lines varies and corresponds to the length of time the previous sample was stable In this mode a 40 line table contains 40 transitions In linear non compressed mode it would contain 40 SAMPLES with perhaps NO transitions If multiple signals are added to the table the compression algorithm takes ALL signals in to account A new line is shown any time ANY of the signals change state Nothing is lost or thrown away We simply compress out the redundant information making the table hold more significant data You can switch between compressed and 2007 TechTools DigiView User s Guide linear views with a single click at any time Although compressed mode is the most efficient way to display a signal in tabular form some people have trouble visualizing the non linear compressed time You can Link a compressed table with other non compressed tables or with waveform displays to correlate the data to a linear view This allows BOTH an efficient table view and a linear in context view The included 8051 dat example demonstrates this well The OE signal in that example is spread across about 1 4 Million samples but can be displayed in less than 20 table lines when compression is enabled When this table is linked to a waveform view scrolling through this small table quickly scrolls the waveform to each significant event in the OE signal This is a real wor
30. to something meaningful for the match condition if you do not want the default Match to be displayed in the formula and the graphical configuration area of the trigger screen 2 2 2 1 1 8 Less Than Match The Less Than Match type is only available on DigiView Model DV3400 The Less Than Match Editor Co ieee os fale Gs ed id os ld IJ Configure Match Parameters BAX l LESS Identifier Match Unamed Duration Before Valid 0 ns X Boolean ADD 0 15 ADD 0 15 lt 0x37F Analog Z Ee E Dec 9895 ASYNC Serial Hex 37F SYNC SERIAL Bin 1101111111 State Value format decimal HEX binary ASCII 10 0x4 61010 A Data Bus Write Read X Cancel ADD a Signal Highlight a defined signal from the left portion of the window and click the button to add it as the Less Than Match You can also just Double Click the defined signal to automatically add it NOTE High Level signal definitions such as State 12C or etc cannot be added directly as a complete signal However the individual portions of the signal such as the DATA portion of a State Signal can be added in the same manner To see the sub portions of a signal click the expand button in the left column next to the signal s name then add the sub portion in the same manner as any other signal 2007 TechTools Configuration 37 For instance if you have defined a Synchronous Serial signal i e SPI and you want to
31. yellow If the export size exceeds the available space on the storage device the background color will turn to red and the export prevented from being performed The export size will be calculated whenever any option or the destination changes 2007 TechTools Exporting 87 E GB Exported 26 14 95 MB sec Abort Progress indicator The lower left portion of the Export dialog will display the progress of the export The progress display will indicate the number of bytes already exported the percentage of the data already exported and the number of bytes per second being written to the storage device Abort Button The export can be canceled at any time by selecting the Abort button All data exported up to the point of cancellation will be available in the exported file Close Button To exit the Export window chose this button If an export is in progress the export will be canceled automatically Export Button After selecting the desired export options chose this button to begin the export This button will be disabled while an export is in progress or the export size is being calculated 6 1 Exporting All Signal Data This export method can be selected from the File menu and provides a means of exporting the raw data of all defined signals The available options let you chose which signals to export time format numerical format field separator inclusion of line numbers inclusion of a timestamp and whet
32. 3 IJ Signal Assignment amp Hardware Configuration BAX Signal Definitions Hardware Triggers Analyzer Options L Match 1 Terms 1 Trigger Formula Non Sequenced For 1024 Times A EDGES Then Match 2 Terms 2 Match 2 STABLE STANLE 1 ADD 0 15 xxxx xxxx xexe xxxx Eer a Sequencer 1 2 Write Match 3 AND Match 3 STABLE STARLE gt 1 State DATA keskeskesckeee Hi Match 4 For 64 Times G eirei VS E Trigger Out Match 5 SW l Less Match 6 1 l Grenten 1 1 Match 7 1 l tess Sequencer 4 1 Ei 1 1 e Match 8 Terms 8 1 j Lepage l I Disable Hints 1 Cable Connector Pinout Apply Changes Now lt S OK 2 2 2 1 Trigger Configuration The new Trigger Configuration Screen introduces a dual mode GUI and text schematic like approach to configuring the matches sequencers and trigger output from a single window A text window shows the formula for the configuration while the schematic shows the flow These two sections update together to provide two distinct views of the configuration Multiple trigger configurations can also be selected and created using the selection area in the upper left corner of this screen Trigger Configuration Selection Z DOS Multiple trigger configurations can be created and stored in the DigiView Data File Use the selection box to quickly chose another trigger configuration After making a selection click the apply bu
33. 7 TechTools Capturing Data 49 Symptom Causes amp Solutions 3 One of DigiView s channels is connected to a transitioning signal but the capture does not seem to show any activity or very little activity A The resolution of the Waveform View is too low to see the activity REMEDY Zoom In to see the details of the activity B The signal has been defined with the wrong channel selected REMEDY Edit the signal definition and change the channel selection The colors are repeated for each group of 9 channels so be sure to select the correct one C The signal definition has been disabled REMEDY Edit the signal definition and uncheck the Disabled option The channels for disabled signals will not appear in the captured data D Bad Ground reference REMEDY Connect one of DigiView s ground wires black probes to a ground point as electrically close as possible to the signal connections E Insufficient power see 1 B above 2007 TechTools Navigating and Analyzing the Data Part Navigating and Analyzing the Data 51 4 Navigating and Analyzing the Data This is where you spend most of your time trying to make sense of what you captured You will find DigiView software very intuitive and easy to use but it is important to realize that ZOOM operations occur about the CENTER of the screen The tools are all designed to take advantage of this fact to make you
34. Clock channel that determines when the data channel is valid Options are FALLING RISING BOTH Whenever the Clock channel transition matches the selection the data channel will be decoded Set this option to Both to decode the data on every transition of the Clock channel Sync Start of Packet Use this button to synchronize to the beginning of the first packet in the captured data Normally this is unnecessary unless you have set the Enable qualifier to Ignore Unlike Asynchronous signals Synchronous signals do not have a specific bit rate so DigiView will not automatically find the beginning of a packet when the qualifier is not used Right Click on the button to advance the decoder by one bit and Left Click to backup by one bit Click multiple times or hold the button down to repeat the action The decoders shift bit action is performed in a circular fashion and is limited to the number of bits required for a single packet The numerical display to the right of the button tracks the bit position from the beginning of the available data Enable Signal Channels This item is selected checked by default Uncheck this item to completely disable the Signal Definition It is recommended to disable any signals that use channels that are not connected to a physical device When a capture takes place Run any channels that are assigned to disabled signals will be ignored instead of using valuable capture space Invert CLK Data Th
35. Example area will be updated automatically to reflect any changes in export options 2007 TechTools Exporting 91 Format Options Signal Selection Timestamp Ge Absolute Delta Numerical Format GG Hex Dec Bin Field Separator Ge Comma j jw Include Line Numbers Data Gehier Iw Include Time Stamp f On Off Exported Data Example Line Time ALE AD14 0 0 6965950 0 9D9 1 0 1 6965700 1 9D9 1 0 2 6965590 1 990 0 0 3 6965510 0 990 0 0 2 AD14 0 3 AD14 0 4 AD14 0 lt gt Timestamp If the Include Time Stamp option is selected the time field will be formatted as the absolute time or if set to Delta as the time since the previous sample or the last known sample after the starting time If the Data Compression option is set to OFF and this option is set to Delta then the time field will show the sample rate Numerical Format This option determines the formatting for each signal that uses more than one channel Boolean signals will always be formatted as a 1 or 0 This option will display the format setting of a signal when a signal is selected To change the format for a signal first select the signal in the Signal Selection area If changes are allowed for the selected signal then the format options will enable Select the desired option Field Separator Chose the character for separating each item on a line of exported data Include Line Numbers Select this opt
36. Export All 90 Export Button 86 export expanded channels 90 export methods 86 2007 TechTools Index 109 ExportTo 86 Exported Data Example 87 89 90 Exporting 86 Exporting All Signal Data 87 Exporting from List Windows 89 Exporting from Table Windows 90 me F Framing Error 63 FALLING EDGE 22 Field Separator 87 89 90 First Block of Reserved Codes 63 FLAT BUTTONS 82 Floating a tabbed window 81 Floating a window 80 Free Run No trigger 22 Free Scroll 51 G GCALL 63 General Call Address 63 Global Search 66 67 GoTo X Y 53 Goto 57 Goto AB 57 Goto CD 57 GOTO marker 59 GOTO X 53 GOTO XY_ 53 GOTOY 53 Graphical Configuration 23 Greater Than Match 33 Greater Than or Equal Match 34 ground 4 ground wires 5 H hardware based compression 105 high resolution 105 High Speed Mode Master Code 63 Horizontal Lines 44 Hot Keys 51 59 HS MS 63 59 I2C Searches 72 I2C Signal 16 63 Illegal Write of ZERO 63 Include Comments 94 97 Include I O Direction 89 Include Line Numbers 87 90 Include Packet Type 89 Include Status 89 Include Time Stamp 87 89 90 independent scrolling 57 Installing 2 Installing the Software 2 Installing the USB Drivers 2 Insufficient power 48 Invert CLK Data 18 20 Invert SDA CLK 16 Invert Signal Value 10 12 14 8 Inverted Signal Display 5 Invoking Searches 67 eas JPEG 94 97 JPEG Options 97 Jump 51 Jump to Marker 53 Jump to marke
37. Guide want the default Match to be displayed in the formula and the graphical configuration area of the trigger screen 2 2 2 1 1 2 Edge Match The edge trigger circuit is a 36 or 72 input OR of rising edge and falling edge detectors You can specify a trigger on rising falling or transition on any combination of channels rising edge of ALE or falling edge of OE or falling edge of WT or transition on clock All entries for a channel means don t care The Edges Match Editor is displayed below IJ Configure Match Parameters Jick boas Identifier Match Unamed ALE a PSEN de Sal OE AD14 0 Code Add ane OR Address CLK D Al el DATA 14 IA 13 ak ah OR Address DATA i eS nnn e BERS Dee DH Ze 6 5 A 2 N v X Cancel ADD a Signal Highlight a defined signal from the left portion of the window and click the button to add it to the Edges Match You can also just Double Click the defined signal to automatically add it NOTE High Level signal definitions such as State 12C or etc cannot be added directly as a complete signal However the individual portions of the signal such as CLK above can be added in the same manner To see the sub portions of a signal click the expand button in the left column next to the signal s name then add the sub portions in the same manner as any other signal For instance if you have defined a State signal li
38. Link Group 2 Link Group 3 Empty Group ready for members Link Group 4 Empty Group ready for members The link group of any window that displays data such as Tables and Lists can be changed at any time To change the group in these windows Right Click to access the menu of the window then choose the desired option from the submenu of the Link menu The options on this menu are displayed in the following Graphic 2007 TechTools 66 DigiView User s Guide e Wave View 1 Link Group 3 Link Group 4 No Link All windows or views that can be assigned to a link group will have a visible indicator with the group number or an asterisk displayed The asterisk indicates an independent window that is not linked to any group Typical Link Group indicators Aas NOTE When Waveform View 1 is cross linked to Waveform View 2 all members of Link Groups 1 and 2 will also be cross linked Waveform Views are cross linked by using the Link button at the top of Waveform View 2 see Waveform Views Toolbar Buttons 4 10 Searches When analyzing the captured data the ability to search forward and backward for specific pattern matches or packet values is indispensable DigiView provides a general search type for pattern matches several search types for specific signal types Such as 12C and a Search Manager to quickly perform multiple searches and change criteria The following sections provide detail
39. State High z H Enable Signal Channels BB Invert CLK BB Invert DATA Channel Selection azie 415 14 i3fi2 iifioys fs 7 6 5 4 3 2 1 0 Reset Colors X Cancel Signal Name Change the text displayed here to help you identify this signal definition If the name has already been used it will automatically be appended with a numerical value in brackets i e 2 The name displayed here will be used in the Waveform Views Searches Tables Lists if applicable Exports and all menu references 2007 TechTools Configuration 19 Color Selection amp Examples If this signal definition has multiple Wave Form viewing modes an example of each mode is displayed in the current color scheme followed by a listing of any items that allow custom colors i e Signal Color Signal Background Click on an item in the list to select a new color Qualifier These settings determine how the data of the selected channels will be be decoded To change these items use the appropriate property editors below Each signal definition has its own decoder so these settings will not affect other signal definitions Clock Edge Choose the transition state of the Clock channel that determines when the data channels are valid Options are FALLING RISING BOTH Whenever the Clock channel transition matches the selection the data channels will be decoded Set this option to Both to decode the data on every transiti
40. ach line is constant 2007 TechTools Navigating and Analyzing the Data 63 4 8 List View Windows List views present the decoded data of higher level signal types in column form List windows can be created after a signal that is supported by a list is created To create a List view select any of the signals presented on the New List submenu of the Window menu These signals can also be presented in their raw data format using a Table view see _Table Views E a Time Auto I2 249 865820 bit 008 04 bit 009 04 it 009 50 00 00 00 00 00 00 Ou it 008 04 bit 009 04 129 593950 bit 009 50 00 00 00 00 OO OO 0 240 500 us 7 bit 009 04 it 009 50 00 00 00 00 00 O00 OI bit 008 04 it 009 04 bit 009 50 00 00 00 00 OO OO OD it 008 04 249 625310 J 249 384640 Ke zl Il zl ll zl E et 130 075860 129 834620 E E E 481 170 us Ee 100 010950 100 252190 100 492860 195 198640 H RI L RI His D RI LU RI L H H H R H El Ee zl UI zl ll Sy zl ll zl ll zl gt ctl ct 2 SSS Ss gt Multiple lists can be created and viewed simultaneously Time Display can be set to Auto ns us ms sec min hrs days or weeks Time Format can be set to Delta or Absolute Time Column can be hidden Set Clear or Jump to markers See Cursors and Markers Assign Time Synchronized Link Group see Using Link Groups Select wh
41. add the Enable portion of the signal to the Less Than match then expand it and double click on Enable It would then appear on the right portion of the editor The Less Than Match type only accepts one signal at a time After a signal has been added the ADD button will be disabled as shown above until the current signal is removed Delete a Signal Highlight a signal in the right portion of the window or mouse over its bit selections and click the button to delete it from the Less Than Match Match Value Format The value for the Less Than Match type can be entered in Decimal HEX Binary or ASCII format The value will be limited to the maximum value allowed for the selected signal which will depend on the number of bit positions assigned to the signal The formats for entering each value type is described below Decimal Enter any valid decimal value An Invalid value will be cleared to 0 or assumed to be HEX HEX Start the value with an x or a Ox If too many digits are entered the most significant nibble leftmost will be discarded Any non HEX digit will be ignored Binary Enter b followed by 1 s and 0 s If too many digits are typed the MSb leftmost bit will be discarded Any numerical value larger than a 1 or non numerical character will be considered a 1 ASCII Start the value with a single or double quote Duration Enter the match duration by selecting the units then typing the value The Max
42. arker 4 3 Marquee Zoom You can use your mouse to marquee an area of data to zoom in on Click and drag to marquee a section When you release the mouse button the enclosed area will pan to the center of the 2007 TechTools Navigating and Analyzing the Data 57 screen and them zoom in as much as possible while keeping the entire area on the screen 4 4 Toolbar Buttons We make extensive use of the right mouse button Most functions have naturally paired operations Most paired functions are natural opposites like left right in out first last previous next Others are not opposites but still naturally paired like X Y We take advantage of this symmetry to double up the functions of most buttons and other clicks This not only reduces desktop usage but also results in more natural easier to remember functions For example rather than having separate SEARCH LEFT and SEARCH RIGHT buttons we have a SEARCH button Left clicking the button will SEARCH LEFT right clicking will SEARCH RIGHT After only a few minutes of use this becomes much more natural than using separate buttons Switching directions involves pressing different mouse buttons rather than moving the mouse to a new button in the application All buttons in the tool bars to the right of the Waveform Views are dual function Additionally you will find that left and right clicking on the lt and gt symbols Active Marker column and various othe
43. ast the pre fill point and to continue filling up post fill Once the buffer is full it is transferred to the PC After the buffer is transferred or you abort the capture the hardware immediately resets and begins pre filling in preparation for the next capture see also DigiView Compression 2007 TechTools 48 DigiView User s Guide 3 1 Capture Troubleshooting Symptom Causes amp Solutions 1 DigiView DV1 100 Power LED does not A The USB subsystem of the PC is turning stay ON DigiView Off due to a Bandwidth shortage REMEDY Remove other USB devices that use a port on the same hub internal or external B The USB subsystem of the PC is turning DigiView Off or DigiView is resetting due to insufficient power REMEDY If you are using an external hub change to a POWERED external hub or purchase one of better quality that meets USB specifications 2 DigiView is only identified as a SERIAL A The USB sub system is experiencing a device by the USB subsystem problem with corrupted or missing files REMEDY Look for a driver update to the USB hub internal or external or re install its drivers Refresh the DigiView drivers by re installing the DigiView software B Operating System or computer needs rebooted REMEDY Turn off the computer and re boot the system C The DigiView hardware has been damaged REMEDY Call Technical Support for repair information 200
44. b portions of a signal click the expand button in the left column next to the signal s name then add the sub portion in the same manner as any other signal For instance if you have defined an State signal and you want to add the Data portion of the 2007 TechTools Configuration 31 signal to the Equal match then expand it and double click on DATA It would then appear on the right portion of the editor The Equal Match type only accepts one signal at a time After a signal has been added the ADD button will be disabled as shown above until the current signal is removed Delete a Signal Highlight a signal in the right portion of the window or mouse over its bit selections and click the button to delete it from the Equal Match Match Value Format The value for the Equal Match type can be entered in Decimal HEX Binary or ASCII format The value will be limited to the maximum value allowed for the selected signal which will depend on the number of bit positions assigned to the signal The formats for entering each value type is described below Decimal Enter any valid decimal value An Invalid value will be cleared to 0 or assumed to be HEX HEX Start the value with an x or a Ox If too many digits are entered the most significant nibble leftmost will be discarded Any non HEX digit will be ignored Binary Enter b followed by 1 s and 0 s If too many digits are typed the MSb
45. be excluded from the export Select All Button Use this button to check all signals in the Signal Selection Area All checked signals will be included in the export Exported Data Example This area provides an instant preview of the data to export and is updated when any option or signal selection is changed 6 2 Exporting from List Windows This export method can be selected from the File menu or directly from a List Window s menu List Exports export the decoded data of higher level signals such as 12C and will have a slightly different set of options that are specific to each signal type see Exporting Signal Types List View Windows The Exported Data Example area will be updated automatically to reflect any changes in export options Numerical Format Field Separator jw Include Time Stamp jw Include 1 0 Direction Decimal Hex Comma IV Include Status jw Include Packet Type Exported Data Example 3640225640 T W 7 bit 008 04 3639985130 T W 7 bit 009 04 3639743700 H R 7 bit 009 50 00 00 00 00 00 00 00 00 00 02 00 04 00 08 00 3520236640 T W 7 bit 008 04 Numerical Format This option determines the formatting for each signal that uses more than one channel Boolean signals will always be formatted as a 1 or 0 This option will display the format setting of a 2007 TechTools 90 DigiView User s Guide 6 3 signal when a signal is selected To change the format for a signal
46. ble match Duration Enter the stability duration by selecting the units then typing the value The Maximum Duration period for Model DV3400 is 5 ms The Trigger condition will not be considered as True until the selected signals and bits have been stable for the indicated duration period Identifier Change the identifier to something meaningful for the match condition if you do not want the default Match to be displayed in the formula and the graphical configuration area of the trigger screen 2 2 2 1 1 4 Equal Match The Equal Match type is only available on DigiView Model DV3400 The Equal Match Editor IJ Configure Match Parameters BAX l QOURl Identifier Match Unamed Duration Before Valid 0 ns X Boolean Data Bus ADD 0 15 D Analog a 12C Dec 35 ASYNC Serial Hex 55 SYNC SERIAL Bin 1010101 State Value format decimal HEX binary ASCII 10 0x4 61010 A Data Bus oa bi to E OO 4 Write Read X Cancel ADD a Signal Highlight a defined signal from the left portion of the window and click the button to add it as the Equal Match You can also just Double Click the defined signal to automatically add it NOTE High Level signal definitions such as State 12C or etc cannot be added directly as a complete signal However the individual portions of the signal such as the DATA portion of a State Signal can be added in the same manner To see the su
47. ch managers can be created Search Each entry in the list includes a Search button in the left column Left click or Right click on the Search button to perform that search as described in the Searching section 2007 TechTools Navigating and Analyzing the Data 69 Edit Search Each entry in the list includes an Edit button in the second column Click on the Edit button to edit the parameters of a defined search Set as the Active Search Click on the search name itself or use either of its buttons in the search manager and the search will automatically become the Active or Global search Any search button in the program will perform the Active search Status Search Manager x Status Search Manager Data READ Data Read x20 Fetch from 094D Missing ALE Data Read xx2x Address Latch Code Fetch Ge z z CS a z 4 10 4 Search Types DigiView offers several types of searches to accommodate several types of signals Depending on the search type one or more signals are selected and a match pattern match value or other conditions are defined for each Some search types even allow sequences of match conditions with the option of placing the match marker at a specific point in the match sequence When ALL specified signals and conditions match the search criteria the time of the match condition or Match Point will be centered in the window that has focus Any other windows that are a member o
48. channels that are not connected to a physical device When a capture takes place Run any channels that are assigned to disabled signals will be ignored instead of using valuable 2007 TechTools Configuration 11 capture space Invert Signal Value This item is de selected unchecked by default Check this item to have the value of the captured channels inverted before processing or displaying for this signal definition This setting will not effect any other signal definitions that may use the same channels Channel Selection This is where you will associate a signal definition with the physical channels or connections to the outside world Each signal definition type will have one or more channel selection groups and will allow one or more channels to be selected for each group Each channel selection group will be identified on its left if more than one group is available for the signal type To select a channel click on the below the proper color and channel number that corresponds to the physical connection of the DigiView Cable see Connecting the Data Lines Channels that are selected for this signal will replace the with a blue dot as shown above Channels that are already defined in other signal definitions will have a darker color around the selection area for the channel as all of the channels do in the graphic above Reset Colors This button will reset the colors for this sig
49. d signal from the left portion of the window and click the button to add it to the Stable Match You can also just Double Click the defined signal to automatically add it NOTE High Level signal definitions such as State 12C or etc cannot be added directly as a complete signal However the individual portions of the signal such as SCL above can be added in the same manner To see the sub portions of a signal click the expand button in the left column next to the signal s name then add the sub portions in the same manner as any other signal For instance if you have defined an DC signal and you only want to add the clock SCL signal to the Stable match then expand it and double click on SCL It would then appear on the right portion of the editor as AND I2C SCL like the WRITE signal above Delete a Signal Highlight a signal in the right portion of the window or mouse over its bit selections and click the button to delete it from the Stable Match Selecting Stable bits Each bit of the signal can be toggled between the 2 states of don t care and STABLE by simply clicking on the bit position in the Stable edit area To set all bits for 2007 TechTools 30 DigiView User s Guide a signal to one of these 2 values use the buttons to the upper right of the Stable edit area Boolean signals if added do not offer a choice and should be removed when they are no longer needed as part of the Sta
50. de is very useful to Monitor signals while making connections The speed of the continuous run will vary depending on the PC hardware and the Model of DigiView With DV3400 you can adjust the buffer to its smallest setting 1 to have a virtual LIVE mode O B RUN This will ARM the hardware and automatically transfer the data to the PC when the buffer is full If you do not want to wait for a long capture you can select the STOP button to force a transfer of the current data captured If you are waiting on a Trigger condition that you expected to occur you can still select the Continuous Run button to view the current signal activity C 2 STOP This will halt the capture and transfer whatever was captured to the PC for your analysis ER ABORT This will reset the hardware and abort the capture without changing the data currently being analyzed Note that the DigiView hardware is always capturing and storing data in a circular queue While you are looking at the last capture the hardware is pre filling the buffer up to the 1 2 full point DV1 100 or to the buffer size selected DV3400 When the buffer reaches the pre fill setting the hardware continues capturing and storing data in a circular queue fashion so that the most recent data is always available but the remaining buffer is still available When you click on Run you are actually arming the trigger circuit Upon trigger the hardware allows the buffer to continue p
51. defined signal to automatically add it NOTE High Level signal definitions such as State 12C or etc cannot be added directly as a complete signal However the individual portions of the signal such as the DATA portion of a State Signal can be added in the same manner To see the sub portions of a signal click the expand button in the left column next to the signal s name then add the sub portion in the same manner as any other signal For instance if you have defined a Synchronous Serial signal i e SPI and you want to add the Enable portion of the signal to the NOT Equal match then expand it and double click on Enable It would then appear on the right portion of the editor The NOT Equal Match type only accepts one signal at a time After a signal has been added the ADD button will be disabled as shown above until the current signal is removed Delete a Signal Highlight a signal in the right portion of the window or mouse over its bit selections and click the button to delete it from the NOT Equal Match Match Value Format The value for the Not Equal Match type can be entered in Decimal HEX Binary or ASCII format The value will be limited to the maximum value allowed for the selected signal which will depend on the number of bit positions assigned to the signal The formats for entering each value type is described below Decimal Enter any valid decimal value An Invalid value will be cleared to 0 or assum
52. ditions match or the end of data is reached When a condition above is set to any the search will ignore that portion of a packet For example if Address is set to any then any 7 bit slave address is considered for the remaining conditions Packet Format Select the packet type to search for If GCALL Any General Call Address is selected then the second selection box is activated for selecting a specific General Call or Any General Call Address Select Any to ignore the address value or select a comparison type lt gt lt gt 2007 TechTools Navigating and Analyzing the Data 73 and enter the value for the comparison in the box below it Data Select Any to ignore the data value s of this packet or select a comparison type lt gt contains No Data and enter the value or sequence of values for the comparison in the box below it When using a sequence of data each value must match the comparison in sequence In the example above the packet must contain two consecutive values of OxFF before a match is declared This pair can occur anywhere in the data as long as the two values occur together in the order specified A sequence of values must be delimited by a or a space or both Each value can be specified as Decimal 0 HEX 0x00 binary b00000000 ASCII 0 or a mix of these formats Cycle Select Any to ignore the cycle type or select the type of cycle Read or Writ
53. e Status Select Any to ignore the packet status or select the status to match Status options are NAK Terminated Error Unknown Each packet can only have one status value so when searching for a Terminated status the search will not stop on packets with a NAK Error or Unknown status Match Point The selected marker will be set to the match point when a match occurs The match point is the starting time of the matching packet 2007 TechTools 74 DigiView User s Guide 4 10 4 3 Pattern Searches The Pattern search type is only available if a Boolean or Bus signal type has been defined see Defining Search Types Boolean Signals Bus Signals Search Edit Fetch from 094D From Center Time ei Set Marker D v Match Duration gt 50 ns e Signals add v ALE and PSEN and 4D14 0 0x094D Value format decimal HEX binary 10 024 b1010 XM Delete Ze Search This search type can be used to find a value of one signal or a pattern of values in multiple signals that lasts for a specified time period You can see in the Fetch from 094D search displayed above that it will search for a pattern consisting of values from three signals ALE PSEN AD14 0 that lasts for a duration of more than 50 nanoseconds If this condition is found in the captured data the specified marker will be set to the time when the match occurs In the above example this would be 50ns after
54. earches data and so forth you can save the arrangement as a Template also see Saving and Restoring Save As Template The Save As Template function is under the FILE menu All window settings positions Dock sites and sizes are saved to a Template File DVT and all data signals searches markers and trigger settings will be ignored New From Template The New from Template function is under the File menu This will load a previously saved Template File DVT to start a new session with some default window and docking arrangements 2007 TechTools Creating Saving and Restoring Files 103 2007 TechTools Appendicies Appendicies 105 9 Appendicies DigiView Compression HI DigiView Compression There is no need to understand DigiView s compression to use it This is just here for the curious or skeptical We want two conflicting features in a logic analyzer high sample RATES high resolution and high sample COUNTs a lot of data time We usually reduce sampling RATES to capture more data because sample COUNTs data buffer depth is fixed To combat this trade off the sample buffer is made as deep as possible However this approach is linear and does not scale well Doubling the buffer doubles either TIME or sample RESOLUTION It can take gigabytes of memory to achieve both if your data transitions are fairly sparse microsecond or more gaps Ideally we would like
55. eason the software will provide a selection window with information regarding any detected hardware as shown below Simply select the Model and the Sampling Mode then click on the OK button to create a new file If you do not want to create a new file then select cancel to continue with the currently loaded file 2007 TechTools 102 DigiView User s Guide IO Analyzer Models amp Features Lok Select your Analyzer Model and Sample Mode then select OK Analyzer Model Number of Units Detected by OS Sample Mode Selection DV1 100 0 200 Mhz 36 Channels DV3400 1 Features Channels 18 Sample Rate 400 MHz Full Resolution Capture Minimun 1M x18 samples 2 5ns 2 6ms Maximum 2 S3 9210 15 samples 2 5ns 260 DAYS Serial assumes gt 003 Baud lt 5 minutes between bits bytes RS232 gt 47 000 characters SYNC gt 12 000 characters I2c gt 10 000 characters 8051 cycles gt 40 000 code fetches 1MHz clock gt 131 000 cycles 131ms 52 Million samples 60Hz clock gt 131 000 cycles 36 MINUTES 432 Billion samples Compression Real time in hardware Tri mode Dynamic cycle by cycle mode selection Trigger Match Circuits v E Refresh X Cancel 8 1 Using Templates You may have spent some time Docking Tabbing and resizing windows to achieve a comfortable window arrangement To re use the arrangement for a new session without starting with existing signals s
56. ed group If no term is selected then the new term is added to the bottom of all term groups When a group is selected it will be highlighted using the current theme s Window Color In the graphic above the second group is selected Deleting Term Groups The Less button is used to delete term groups When deleting groups the selected group will be deleted If no group is selected then the last group will be deleted When a group is selected it will be highlighted using the current theme s Window Color In the graphic above the second group is selected Copying Term Groups The Copy button is used to copy a term group A copied group is added after the selected group If no term is selected then nothing will be copied When a group is selected it will be highlighted using the current theme s Window Color In the graphic above the second group is selected 2007 TechTools Navigating and Analyzing the Data 77 4 10 4 5 Synchronous Searches The Synchronous search type is only available if an Synchronous signal type has been defined see Defining Search Types Synchronous Signals Search Edit SSYNC 1 From Center Time si Set Marker x v Signal SPI v Skip Any number of packets Skip Count Then Match Data EQUALS value or sequence Value or Sequence P 0x1B D 0x60 1 0x60 Disabled Skip Specified number of packets e Skip Count Then Match Data is GREATER THAN J value or
57. ed state of the signal When the lightbulb is ON the signal is enabled Click this button to toggle the enabled status of the signal This value can also be changed by editing the signal s properties see Signal Editors Associated Channels o o k d 2 o o CRER All channels associated with this signal definition will be indicated in this display as a blue dot Channel 0 is in the farthest right column and channel 17 or 35 is in the farthest left column as marked in the header Light blue lines appear every 4th channel and non associated channels 2007 TechTools Configuration 7 appear as as a reference Also colored squares at the top show each channel s wire color Notice that there are only 9 colors so the color sequence repeats channels 0 and 9 are both brown 2 2 1 1 Signal Editors DigiView provides several Signal type definitions which allow unique methods of interpreting and displaying the raw data captured on the logic channels Each Signal type has a unique editor with relevant options for its type From the editor you will also assign some of the physical logic channels to be used for this new signal definition see Signals Connecting Data Lines You may choose to repeat the use of some channels in multiple Signal definitions in order to interpret the data differently and gain a perspective that is relative to your current point of interest This can be done easily by creating a
58. ed to be HEX HEX Start the value with an x or a Ox If too many digits are entered the most significant nibble leftmost will be discarded Any non HEX digit will be ignored 2007 TechTools Configuration 33 Binary Enter b followed by 1 s and 0 s If too many digits are typed the MSb leftmost bit will be discarded Any numerical value larger than a 1 or non numerical character will be considered a 1 ASCII Start the value with a single or double quote Duration Enter the match duration by selecting the units then typing the value The Maximum Duration period for Model DV3400 is 5 ms The Trigger condition will not be considered as True until the entered value for the selected signal has been valid for the indicated duration period Identifier Change the identifier to something meaningful for the match condition if you do not want the default Match to be displayed in the formula and the graphical configuration area of the trigger screen 2 2 2 1 1 6 Greater Than Match The Greater Than Match type is only available on DigiView Model DV3400 The Greater Than Match Editor IJ Configure Match Parameters BAX Lepenten Identifier Match Unamed Duration Before Valid 800 us X Boolean Data Bus ADD 0 15 Al SEN Analog DC Dec 65 ASYNC Serial Hex 41 SYNC SERIAL Bin 1000001 State Value format decimal HEX binary ASCII 10 0x4 61010 A Data
59. er Windows and in the Global Search selection box From Where to begin Searching The search from selection determines where the search starts from the current center of screen or the current marker location Since the marker is placed at the center of the screen after the first search match these are often the same during consecutive searches The main difference occurs during the first search or between searches if you scroll the screen Set Marker Mark the match point The marker selection determines which marker is used to show the search match You must select one Whenever the search matches the selected marker is placed at the match point and then centered in the searched window X Delete Fg Search Delete Button Deletes this search Use the Delete button to dispose of the search and remove it from all search managers OK Button Closes this search editor window Use the OK button when you are finished making changes and want to close the editor for this search Search Button Performs this search Use the Search button to test the settings you have just entered for this search Right Click to search forward from the current time of the marker Left Click to search backward from the current time of the marker When you are satisfied with the search settings you can close the search and use any search button in the application to continue searching see Searching 4 10 2 Searching Search Button Ka Left clicking on a searc
60. ersion selectable Rising Falling Both clock edges LSB MSB selection additional Enable channel for filtering and synchronizing 2007 TechTools 8 DigiView User s Guide 2 2 1 1 1 Boolean The Boolean Signal is the most common method of viewing captured data Boolean Signals provide viewing of the logic level of a single channel at any given point in time Boolean Signal Editor K Signal Name ALE Color Selection amp Examples pooen J BB Signal Color O Signal Background Enable Signal Channels BB Invert Signal Value Channel Selection 17 1e 15 14 13 12 DO iols e 7 le 5 4 3 2 1 jo BesetCoos ZEK _X canca Signal Name Change the text displayed here to help you identify this signal definition If the name has already been used it will automatically be appended with a numerical value in brackets i e 2 The name displayed here will be used in the Waveform Views searches tables lists if applicable exports and all menu references Color Selection amp Examples If this signal definition has multiple Wave Form viewing modes an example of each mode is displayed in the current color scheme followed by a listing of any items that allow custom colors i e Signal Color Signal Background Click on an item in the list to select a new color Enable Signal Channels This item is selected checked by default Uncheck this item to completely disable the Signal Definitio
61. es 2 2 2 Triggers You can define a TRIGGER condition When the hardware detects this condition it will TRIGGER the logic analyzer When the sample buffer fills or you manually STOP it the data is transferred to the PC The software on the PC then displays the data to you The trigger point is centered on the screen and is always TIME O All data prior to the trigger is negative time and all data after the trigger is positive time If you stop the analyzer before a trigger condition is detected the approximate center of the collected sample buffer is considered the trigger and the end of the data is the point where the hardware sampling was manually stopped In this version the triggers are specified in terms of SIGNALS After assigning channels to signal names see Signals you can configure the trigger condition based on the defined signals Most engineers will find it easier to reference the condition as it relates to the circuit s function rather than remembering which channels of the analyzer were used to connect to specific signals in the circuit DigiView s new trigger configuration screen centers the user s focus on function making it much easier to quickly analyze and modify a very complex trigger condition The following graphic is an example of an advanced trigger condition for the DV3400 see Trigger Configuration Example of an Advanced Trigger Configuration for DV3400 2007 TechTools Configuration 2
62. ese items are de selected unchecked by default Check these items to have the value of the associated channel inverted before being decoded This setting will not affect any other signal definitions that may use the same channels Channel Selection This is where you will associate a signal definition with the physical channels or connections to the outside world Each signal definition type will have one or more channel selection groups and will allow one or more channels to be selected for each group Each channel selection group will be identified on its left if more than one group is available for the signal type To select a channel click on the below the proper color and channel number that corresponds to the physical connection of the DigiView Cable see Connecting the Data Lines Channels that are selected for this signal will replace the with a blue dot as shown above Channels that are already defined in other signal definitions will have a darker color around the selection area for the channel as channels 0 through 6 do in the graphic above 2007 TechTools 22 DigiView User s Guide CLK Select a channel to decode as a CLOCK to qualify the Data channel Data Select a channel to decode as the DATA Enable Select a channel to Qualify the CLOCK Reset Colors This button will reset the colors for this signal so that they will match the currently selected color theme see Color Them
63. ething to change it regardless of how the search was initiated Global Search Gy Gf Code Fetch Beside the search selection box and search edit button is a SEARCH button This search button performs the Active Search using the currently FOCUSED window as described without changing either Local Search Each Data Table List and Waveform window has a local search button When you click on a window s local search button that window becomes the FOCUSED window and then the search is applied to it as usual using this newly FOCUSED window Clicking on a local search button is the same as clicking anywhere on a waveform or table to FOCUS it and then clicking on the Global Search button Search Manger Searches When you click on a search button in the search manager the DEFAULT search is changed to that button s search and then the search is performed as usual using this new DEFAULT search This has the same results as selecting the button s search from the Default search selection pull down and then clicking on the Global Search button see Search Manager 4 10 3 Search Manager Windows The search manager window shows a list of all defined searches see Define Searches It also provides an easy method of executing or editing any of the searches This is particularly useful if you need to do a series of searches involving different search types To create a search manager select New Search Manager from the Window menu Multiple sear
64. f the cable 4 physical logic channels 7 PINOUT 4 Post Trigger Buffer 42 Power LED 48 POWERED HUB 2 pre filling 47 preview 87 preview a saved image 97 Print 51 60 63 94 Print window 94 Printing 94 Printing Options 94 Program Slave Address and Reset Slave 63 Program Slave Address without resetting 63 Progress indicator 86 qualified trigger 22 Qualifier 18 Quick Select Flags 53 R R 59 real time hardware based compression 105 rename the signal 5 2007 TechTools Index 111 Required Disk Space 86 Reserved Bus Address 63 Reserved Codes 63 Reset Colors 10 12 14 16 18 20 8 Reset Custom to Theme 43 Reset Row Heights 44 Reset Signal Colors 43 Reset Slave 63 resistor color code order 4 resolution 60 RISING EDGE 22 RSRV1 63 RSRV2 63 RSRVB 63 Sample Mode 42 sample rate 60 sampling mode 101 Save As 101 Save as JPEG 51 60 63 Save As Template 102 Save Image 97 Saving and Restoring 101 SCL 16 Scroll 51 Scrollby 1 57 Scrollby5 57 Scroll Start End 57 Scroll To 57 SDA 16 Search 57 Search Button 67 Search Description 66 Search Edit 57 Search Manager 66 68 Search Manager Windows 68 Search Manger Searches 67 Search Marker 66 Search Name 66 Search Types 69 Searches 66 Searching 67 Searching the Data 51 Second Block of Reserved Codes 63 Select All Button 87 Select Save Location 97 Selected Colors 43 Sequencer 39 serial packets 12 serial protoco
65. f the same Link Group will also center on the match point see Searching Link Groups Details of each search type below are explained in the following sections Asynchronous Search IOC Search e e e Pattern Search e State Search e Synchronous Search 2007 TechTools 70 DigiView User s Guide 4 10 4 1 Asynchronous Searches The Asynchronous search type is only available if an Asynchronous signal type has been defined see Defining Search Types Asynchronous Signals Search Edit ASYNC 1 From Center Time si Set Marker x v Signal RS 232 Receive v Skip Any number of packets v Skip Count Then Match Data EQUALS value or sequence Value or Sequence lt 0x03 gt Disabled E Skip Specified number of packets Skip Count en ue O Value or Sequence Disabled Value format decimal HEX binary ASCII 10 Ox4 b1010 4 XM Delete Fp Search This search type has a group of search terms or criteria that is specific to Asynchronous signals and can perform a search sequence by adding additional term groups Groups can be added by using the Copy or More buttons You can see in the ASYNC1 search displayed above that it is configured for 2 sequential searches When the search button is selected this search will walk through the signal s data until it finds a sequence of packets with data that matches the values defined in the first term gro
66. fined 63 Collapse 51 Color Selection amp Examples 10 12 14 16 18 20 8 Color Themes 43 color coded 4 common ground 5 Communication Settings compression 5 87 compression ratios 5 CONFIG 4 5 Configuration options 4 Configure Print Device 94 connecting 4 Connecting the Data Lines 4 connectors 4 Continuous Run 47 Continuous Run Mode 42 Copying Term Groups 70 75 77 create a new signal 5 cross linked 65 Cursor 53 Cursors 53 Cycle 72 sD D 59 Data 18 20 72 Data Compression Data Lines 4 Define Searches 66 Defining Signals and Triggers 5 12 20 87 90 defining trigger conditions 4 Delete Signal 5 Deleting Signals 5 Deleting Term Groups DELTA mode 60 DESTINATION DIRECTORY 2 De Tabbing a window 81 Disabled 70 Display Signals as a BUS 5 Dock Sites 80 Docking a Window 80 Docking Windows 80 down sampling 60 Drag amp drop 51 Drag to place 53 dragging a marker 53 Drop amp Bring to Center 53 Drop Marker 51 Duration Units 66 74 E E ERROR 63 Edge Match 28 Edge Snap 51 Edge Snap to center 51 EDGE trigger 22 Edit Signal 51 Edit Signal Properties EITHER EDGE 22 Enable 18 20 Enable Signal Channels Enable State 18 20 Enabled Status 5 Environment options 44 Equal Match 30 70 75 77 5 51 60 63 10 12 14 16 18 20 8 ERROR 63 Estimated Free Disk Space 86 EXAMPLE 1 105 EXAMPLE 2 105 Expand 51 Expand order 51 60 expanded channels 90 Export 60 63
67. gnal is removed Delete a Signal Highlight a signal in the right portion of the window or mouse over its bit selections and click the button to delete it from the Greater Than or Equal Match Match Value Format The value for the Greater Than or Equal Match type can be entered in Decimal HEX Binary or ASCII format The value will be limited to the maximum value allowed for the selected signal which will depend on the number of bit positions assigned to the signal The formats for entering each value type is described below Decimal Enter any valid decimal value An Invalid value will be cleared to 0 or assumed to be HEX HEX Start the value with an x or a Ox If too many digits are entered the most significant nibble leftmost will be discarded Any non HEX digit will be ignored 2007 TechTools 36 DigiView User s Guide Binary Enter b followed by 1 s and 0 s If too many digits are typed the MSb leftmost bit will be discarded Any numerical value larger than a 1 or non numerical character will be considered a 1 ASCII Start the value with a single or double quote Duration Enter the match duration by selecting the units then typing the value The Maximum Duration period for Model DV3400 is 5 ms The Trigger condition will not be considered as True until the entered value for the selected signal has been valid for the indicated duration period Identifier Change the identifier
68. guration 35 IJ Configure Match Parameters Jick EE Identifier Match Unamed Duration Before Valid 0 ns X Boolean Data Bus ADD 0 15 gt 05 Analog Ee Dec 35 ASYNC Serial Hex 55 SYNC SERIAL Bin 1000 State Data Bus Deel ee ee Ji Value format decimal HEX binary ASCII 10 0x4 b1010 i oa bi to Ee OO cl Write Read X Cancel ADD a Signal Highlight a defined signal from the left portion of the window and click the button to add it as the Greater Than or Equal Match You can also just Double Click the defined signal to automatically add it NOTE High Level signal definitions such as State 12C or etc cannot be added directly as a complete signal However the individual portions of the signal such as the DATA portion of a State Signal can be added in the same manner To see the sub portions of a signal click the expand button in the left column next to the signal s name then add the sub portion in the same manner as any other signal For instance if you have defined a Synchronous Serial signal i e SPI and you want to add the Enable portion of the signal to the Greater Than match then expand it and double click on Enable It would then appear on the right portion of the editor The Greater Than or Equal Match type only accepts one signal at a time After a signal has been added the ADD button will be disabled as shown above until the current si
69. h Edit Click to Edit selected Global Search Os Waveform View Click to change Waveform view to SINGLE or SPLIT view fr Zoom In Out Max Left Click Zoom IN ALL the way Highest Resolution Right Click Zoom OUT ALL the way show ALL data 4 Zoom In Out Left Click Zoom IN one step more detail more resolution hold to repeat Right Click Zoom OUT one step less detail less resolution hold to repeat 4 5 Bird s Eye View The BirdsEye window gives you the really big picture It shows the relative zoom and position of the two waveform windows and the total data The total data is show with a horizontal line down the middle and goal post lines on the ends The primary waveform window is represented with a gray rectangle in the top half of the display Likewise the secondary waveform window if visible is represented in the bottom half of the window Birds Eye x When the window is zoomed in on a small percentage of the data usually the case the waveform representation becomes a small circle so that you can still see it Otherwise it would degenerate into a very thin line Birds Eye x EES tt o As you navigate through the data you can look at the BirdsEye to see exactly where you are in the data and how fast you are progressing through it When you have both waveform windows open you can see their relative zoom levels as well as positions If they are linked to each other you will notice that
70. h button searches back in time previous match Right clicking on a search button searches forward in time next match See Define Searches for details on creating searches 2007 TechTools 68 DigiView User s Guide Invoking Searches There are several methods of invoking a search Each presents a slightly different way of selecting the search and the target window but they all perform the search in the same manner If the search is configured to search from center time then the search starts from the center time of the FOCUSED window possibly the last match Otherwise the search starts from the search s marker position possibly the last match In either case the marker is positioned at the location of the search match and then the FOCUSED window is centered on the marker If the window is part of a link group then the entire link group is centered as well see Link Groups The center time of the FOCUSED window does not change if the search fails Regardless of how the search is invoked we actually always run the DEFAULT search on the FOCUSED windowed We simply CHANGE the DEFAULT search or the FOCUSED window before running the search in some cases This creates a very consistent environment where you can jump from one search button to another without surprises The last invoked search is always the current DEFAULT search and the last searched window is always the currently FOCUSED window until you do som
71. hat even when they are overlapped you can still grab them When your mouse is in the capture zone for a marker the cursor changes to indicate that it is over a marker The cursor also indicates which marker would be selected making it easier to grab a specific marker when they are very close together or even on top of each other Quick Select Flags Sometimes markers are invisible buried behind other markers or off screen You can easily grab any marker from the quick select flags at the top right corner of the window regardless of their current position or visibility Dragging from these flags will bring the marker to the current screen position and make it visible if necessary Clicking on one of these flags will automatically scroll the waveform view to the markers position and center it in the waveform window This can also be referred to as Jump to Marker Auto Snap Snapping the markers to signal edges makes it easy to measure the time between them or 2007 TechTools Navigating and Analyzing the Data 55 to bring a specific edge to the center of the window This operation is used so often that we optimized it by making it an automatic function When you are dragging a marker and your mouse is over a waveform the cursor changes to a snap left or snap right arrow The direction of the arrow shows you which edge previous or next of this waveform the marker will snap to if you were to dro
72. her to use compression see Exporting The Exported Data Example area will be updated automatically to reflect any changes in export options 2007 TechTools 88 DigiView User s Guide Format Options Signal Selection Timestamp wi ALE Ge Absolute Delta E GE Numerical Format SE we d d wi Address Field Separator Comma Ce A Data Compression V Include Line Numbers Con Got Clear All Select All Iw Include Time Stamp Exported Data Example Lineh Time ALE PSEH OE AD14 0 Code Address 0 6966050 0 0 1 9D9 9D9 9D9 1 6966040 0 0 1 9D9 9D9 9D9 2 6966030 0 0 1 9D9 9D9 9D9 3 6966020 0 0 1 9D9 9D9 9D9 Timestamp If the Include Time Stamp option is selected the time field will be formatted as the absolute time or if set to Delta as the time since the previous sample or the last known sample after the starting time If the Data Compression option is set to OFF and this option is set to Delta then the time field will show the sample rate Numerical Format This option determines the formatting for each signal that uses more than one channel Boolean signals will always be formatted as a 1 or 0 This option will display the format setting of a signal when a signal is selected To change the format for a signal first select the signal in the Signal Selection area If changes are allowed for the selected signal then the format options will enable Select the desired option F
73. ich Signal to view in each List Edit Signal Properties see Signal Editors Print current List View or Save as JPEG see Printing Export data using List s settings see Exporting Lists 2007 TechTools DigiView User s Guide Goto Trigger Goto Other gt Goto Marker gt Set Marker gt Clear Marker gt Link gt Time gt Units gt Show Signal gt v Show Time Column Edit GC Print List Export Only certain signal types can be viewed in the List windows and each type displays the decoded data in a unique way These types are listed below with a brief explanation of its display DC Signal The list format for this signal consists of an information address and data column The information column is divided into three sections Status I O Packet Type Status N NAK T Terminated E ERROR Unknown UO e R READ e W WRITE Packet Type 7 bit 7 bit Slave Address GCALL General Call Address START Start Byte CBUS Beginning of CBUS packets RSRVB Reserved Bus Address RSRV1 First Block of Reserved Codes HS MS High Speed Mode Master Code RSRV2 Second Block of Reserved Codes 10 bit 10 bit Slave Address PGMIR Program Slave Address without resetting PGM R Program Slave Address and Reset Slave MASTR 7 bit Master Address ERROR Illegal Write of ZERO IDEF Code is Not Defined 2007 TechTools Navigating and Analyzing the Data 65
74. ield Separator Chose the character for separating each item on a line of exported data Include Line Numbers Select this option to include a consecutive line number at the beginning of each line Include Time Stamp Select this option to include the time of each exported sample Signal Selection Check each signal to include in the export The order of export is determined by the order in which each signal is checked To have the export order match the listed order use the Clear All button to clear all selections then use the Select All button to select all the signals in the order shown To move a signal to the end of the export line uncheck and then recheck the signal When a signal is highlighted with the mouse its export format setting will be shown in the 2007 TechTools Exporting 89 Numerical Format option This option can be changed by selecting the desired format excluding Boolean signals Data Compression Setting this option to ON will greatly reduce the size of the export file With compression on the redundant or dead periods of data will be excluded and only changes in the data will be exported If this option is set to OFF then no data will be eliminated and all samples at the maximum resolution will be exported This could lead to very long exports with sizes up in the Terabyte range Clear All Button Use this button to uncheck all signals in the Signal Selection Area Unchecked signals will
75. imum Duration period for Model DV3400 is 5 ms The Trigger condition will not be considered as True until the entered value for the selected signal has been valid for the indicated duration period Identifier Change the identifier to something meaningful for the match condition if you do not want the default Match to be displayed in the formula and the graphical configuration area of the trigger screen 2 2 2 1 1 9 Less Than or Equal Match The Less Than or Equal Match type is only available on DigiView Model DV3400 The Less Than or Equal Match Editor 2007 TechTools 38 DigiView User s Guide IJ Configure Match Parameters BAX l is Identifier Match Unamed Duration Before Valid 0 ns D State State DATA Enable lt 4096 DATA 45 Dec 4096 14 Hex 1000 A 3 Bin 1000000000000 gu Value format decimal HEX binary ASCII 10 0x4 b1010 i 10 9 8 iT 6 5 4 3 S 1 D LK Data Bus v X conc ADD a Signal Highlight a defined signal from the left portion of the window and click the button to add it as the Less Than or Equal Match You can also just Double Click the defined signal to automatically add it NOTE High Level signal definitions such as State 12C or etc cannot be added directly as a complete signal However the individual portions of the signal such as the DATA portion of a State Signal can be added in the same manner
76. ing modes an example of each mode is displayed in the current color scheme followed by a listing of any items that allow custom colors i e Signal Color Signal Background Click on an item in the list to select a new color Enable Signal Channels This item is selected checked by default Uncheck this item to completely disable the Signal Definition It is recommended to disable any signals that use channels that are not connected to a physical device When a capture takes place Run any channels that are assigned to disabled signals will be ignored instead of using valuable 2007 TechTools Configuration 17 capture space Invert SDA CLK These items are de selected unchecked by default Check these items to have the value of the associated channel inverted before being decoded This setting will not affect any other signal definitions that may use the same channels Noise Filter This selection determines whether to ignore short noise pulses and if so the length of pulse to suppress This selection defaults to 50ns to accommodate a Standard Mode 12C bus system To turn off filtering change this setting to 0 Channel Selection This is where you will associate a signal definition with the physical channels or connections to the outside world Each signal definition type will have one or more channel selection groups and will allow one or more channels to be selected for each group Each channel
77. ing ALE Se Data Read xx2x Zei Address Latch Se Code Fetch lt Tabbed windows can be docked just like any normal window Also a secondary window can be tabbed with a secondary window that has already been docked Simply drag the window over the center of the docked window until you see the centered gray rectangle This will TAB them together at the docked location rather than dock the new window next to the existing window Floating a tabbed window You float a tabbed window just like a normal secondary window simply drag it off of the dock site using its title bar double click its title bar or click on the down arrow in its upper right corner This will float the entire tabbed window keeping all of its tabs intact De Tabbing a window To remove a window from a tab simple grab the tab and drag it or double click on the tab This extracts the window from the tabs and floats it When only two windows are tabbed together and one of these is removed the tabbed window will be disposed of and the remaining window will now occupy the position previously occupied by the tabbed window If the tabbed window had been docked then the remaining window is now docked in its place See Docking Windows for more information on docking Tab Window Options After Tabbing windows together several display options are available from a pop up menu that is accessible by Right Clicking on any of the Tabs For details on these options see Tab Wind
78. ion to include a consecutive line number at the beginning of each line Include Time Stamp Select this option to include the time of each exported sample Signal Selection All Signals in the Table are automatically displayed in this area and checked for export To exclude a signal from the export cancel the export remove the signal from the Table then select export again Optionally you could use the Export All function if you do not need to export the channels of Expanded signals see Export All When a signal is highlighted with the mouse its export format setting will be shown in the 2007 TechTools 92 DigiView User s Guide Numerical Format option This option can be changed by selecting the desired format excluding Boolean signals Data Compression Setting this option to ON will greatly reduce the size of the export file With compression on the redundant or dead periods of data will be excluded and only changes in the data will be exported If this option is set to OFF then no data will be eliminated and all samples at the maximum resolution will be exported This could lead to very long exports with sizes up in the Terabyte range Exported Data Example This area provides an instant preview of the data to export and is updated when any option or signal format is changed 2007 TechTools Printing 94 DigiView User s Guide 7 Printing While analyzing the data you
79. ions are STRETCH to FIT NORMAL Choose stretch to fit to have the tabs fill the available space when multiple rows are present Select normal to size the tab to the length of its text Status Search Manager ei Table ALE 0 T able OE List Code w List Address ee ADI lt 0 lt 100s Table ALE D Table OE List Code Se Data READ D Se Data Read xx20 Se Fetch from 094D Se Missing ALE 100 ns 1 90 ns Se Data Read xx2x Se Address Latch Tab Style Options are TABS BUTTONS FLAT BUTTONS Tab orientation must be set to TOP to select the option of Buttons or Flat Buttons Status Search Manager e Se AD1 0 lt 100ns Se Data READ Se Data Read xx20 Se Fetch from 094D Se Missing ALE Se Data Read xx2x Se Address Latch Se Code Fetch Table ALE 0 T able OE List Code e Table ALE O Table OE List Code List Address Address cam gt 2007 TechTools Exporting 86 DigiView User s Guide 6 Exporting The captured data can be exported to a file in ASCII format for further analysis or documenting purposes DigiView provides three export methods to chose from with each method having a few unique features These features are documented in the next three sections e Exporting All Signal Data e Exporting From List Windows e Exporting From Table Windows Properties common to all three export methods are discussed below Export To
80. k on the line to the left of the group If no group is chosen the first group will be the match point Disabled Select this option to have the search ignore the term group Adding Term Groups The More button is used to add term groups Groups are added after the selected group If no term is selected then the new term is added to the bottom of all term groups When a group is selected it will be highlighted using the current theme s Window Color In the graphic above the second group is selected Deleting Term Groups The Less button is used to delete term groups When deleting groups the selected group will be deleted If no group is selected then the last group will be deleted When a group is selected it will be highlighted using the current theme s Window Color In the graphic above the second group is selected Copying Term Groups The Copy button is used to copy a term group A copied group is added after the selected group If no term is selected then nothing will be copied When a group is selected it will be highlighted using the current theme s Window Color In the graphic above the second group is selected 2007 TechTools Window Arrangement Part 80 DigiView User s Guide 5 Window Arrangement DigiView makes extensive use of Docking and Tabbing to permit very flexible window arrangements All window settings positions and sizes are saved along with the captured data anytime you sa
81. ke the one above Address and you only want to add the CLK signal to the Edges match then expand it and double click on Enable Delete a Signal Highlight a signal in the right portion of the window or mouse over its bit selections and click the button to delete it from the Edges Match Changing Bit Pattern Each bit of the signal can be toggled between the 4 states of don t care rising falling and either by simply clicking on the bit position in the Edges edit area To set all bits for a signal to one of these 4 values use the buttons to the upper right of the Edges edit area 2007 TechTools Configuration 29 Identifier Change the identifier to something meaningful for the match condition if you do not want the default Match to be displayed in the formula and the graphical configuration area of the trigger screen 2 2 2 1 1 3 Stable Match The Stable Match type is only available on DigiView Model DV3400 All entries for a channel means don t care The Stable Match Editor is displayed below IJ Configure Match Parameters SEx l STABLE Identifier Match Unamed Duration Before Valid 20 ns e Boolean ADD 0 15 ADD 0 15 15 lt gt 0 4 B el Analog DC ES Beez ESS el SDA SEL ASYNC Serial AND Write SYNC SERIAL State Data Bus Write Read Co ies os fied Os a A Cancel ADD a Signal Highlight a define
82. l 16 Set 51 SET marker 59 Setting Cursors 53 Setting the Match Type 26 Signal 7 Signal Colors and Type 5 Signal Disable 5 signal editor 5 Signal Editors 7 Signal Name 10 12 14 16 18 20 5 8 signal options 5 Signal Properties 51 Signal Row Order 51 Signal Selection 87 90 signal type 5 Signal Types 7 Signals 5 Skip 70 75 77 Skip Count 70 75 77 Slave Address 63 Snap 51 SNAP LEFT 53 Snap Markers 51 SNAP NEAREST 53 SNAP RIGHT 53 Snap Signal 51 SNAP X_ 57 SNAP Y_ 57 Snapping 53 square postconnectors 4 Stable Match 29 Standard Mode DC bus 16 START 63 Start Byte 63 state clock 18 State Searches 75 State Signal 18 63 static protection 4 Status 63 72 Status Window 53 STOPPING 47 storage devices 86 STRETCH to FIT 82 symbolic names 5 2007 TechTools 112 DigiView User s Guide Sync Start of Packet 12 20 Synchronized Scrolling 57 Synchronous Scrolling 51 65 Synchronous Searches 77 Synchronous Signal 20 63 SE T 59 T Terminated 63 Tab Orientation 82 Tab Rows 82 Tab Size 82 Tab Style 82 Tab Window Options 81 82 Tabbing windows 81 Table Exports 90 Table View Windows 60 TACKX 53 TACKY 53 TACK X 57 TACK Y 57 Theme Selection 43 Then Match 70 75 77 Thresholds 42 Time Column 60 63 Time Display 60 63 time format 60 63 87 Time Range 86 Time Synchronized 60 63 Time Relative Columns 51 Time Relative Groups 51 Timestamp 87 90 Toolbar Buttons
83. ld example captured from a real embedded system IN Down Sampled View Zoom fen Another approach to making the table view useful in normal timing modes is to use down sampling This mode presents the data in a time linear format but down samples the data to reduce information Down sampling preserves linearity but reduces resolution This is similar to turning down the sample rate while capturing data to extend capture times at the expense of resolution Of course the key difference is we are post processing the data for the table view not ignoring data during capture In this mode we are simply displaying the data with less resolution to allow the user to see more transitions while maintaining a linear time view Since we have not changed the underlying data itself you can zoom in reduce down sampling at any time to see more detail and actual timing You can also link to other full resolution tables or waveforms to get a simultaneous view of the full detail and the data s correlation to other signals Delta vs Linear time Regardless of the display mode normal compressed or down sampled you can display the time field in absolute or delta time Absolute is the actual timestamp of the sample relative to trigger DELTA mode shows the time between table lines This is most useful in compressed mode where it tells you the time between transitions In normal and down sampled modes it simply tells you the sample rate since the time between e
84. le ol 1 Ee 8 SS 6 5 4 3 2 v A Cancel ADD a Signal Highlight a defined signal from the left portion of the window and click the button to add it to the Pattern Match You can also just Double Click the defined signal to automatically add it NOTE High Level signal definitions such as State 12C or etc cannot be added directly as a complete signal However the individual portions of the signal such as Enable above can be added in the same manner To see the sub portions of a signal click the expand button in the left column next to the signal s name then add the sub portions in the same manner as any other signal For instance if you have defined a State signal like the one above Address and you only want to add the Enable signal to the pattern match then expand it and double click on Enable Delete a Signal Highlight a signal in the right portion of the window or mouse over its bit selections and click the button to delete it from the Pattern Match Changing Bit Pattern Each bit of the signal can be toggled between the 3 states of 0 1 and x don t care by simply clicking on the bit position in the pattern edit area To set all bits for a signal to one of these 3 values use the X 0 and 1 buttons to the upper right of the pattern edit area Identifier Change the identifier to something meaningful for the match condition if you do not 2007 TechTools 28 DigiView User s
85. ll be highlighted using the current theme s Window Color In the graphic above the second group is selected Copying Term Groups The Copy button is used to copy a term group A copied group is added after the selected group If no term is selected then nothing will be copied When a group is selected it will be highlighted using the current theme s Window Color In the graphic above the second group is selected 2007 TechTools 72 DigiView User s Guide 4 10 4 2 12C Searches The 12C search type is only available if an DC signal type has been defined see Defining Search Types DC Signals Search Edit 120 From Center Time si SetMarker x v Signal 12C v Packet Start Type Any Start Condition v Packet Format 7 bit 7 bit Slave Address v v Address Data v Any e 0x08 Cycle Status Any v Any k Data format decimal HEX binary ASCII 10 024 b1010 i A Delete 2 Search This search type has criteria that is specific to 12C signals You can see in the I2C search displayed above that it is configured to search for a specific 7 bit Slave Address When a 7 bit slave address is found it must first match the address condition equal to 0x0B If this condition is not satisfied the search continues to the next slave address until a match is found Once a match is found the next condition must be satisfied If not the whole search begins again until all con
86. n It is recommended to disable any signals that use channels that are not connected to a physical device When a capture takes place Run any channels that are assigned to disabled signals will be ignored instead of using valuable capture space Invert Signal Value This item is de selected unchecked by default Check this item to 2007 TechTools Configuration 9 have the value of the captured channels inverted before processing or displaying for this signal definition This setting will not effect any other signal definitions that may use the same channels Channel Selection This is where you will associate a signal definition with the physical channels or connections to the outside world Each signal definition type will have one or more channel selection groups and will allow one or more channels to be selected for each group Each channel selection group will be identified on its left if more than one group is available for the signal type To select a channel click on the below the proper color and channel number that corresponds to the physical connection of the DigiView Cable see Connecting the Data Lines Channels that are selected for this signal will replace the with a blue dot as shown above Channels that are already defined in other signal definitions will have a darker color around the selection area for the channel as all of the channels do in the graphic above Reset Colo
87. n amp Examples If this signal definition has multiple Wave Form viewing modes an example of each mode is displayed in the current color scheme followed by a listing of any items that allow custom colors i e Signal Color Signal Background Click on an item in the list to select a new color 2007 TechTools Configuration 15 Enable Signal Channels This item is selected checked by default Uncheck this item to completely disable the Signal Definition It is recommended to disable any signals that use channels that are not connected to a physical device When a capture takes place Run any channels that are assigned to disabled signals will be ignored instead of using valuable capture space Invert Signal Value This item is de selected unchecked by default Check this item to have the value of the captured channels inverted before processing or displaying for this signal definition This setting will not effect any other signal definitions that may use the same channels Channel Selection This is where you will associate a signal definition with the physical channels or connections to the outside world Each signal definition type will have one or more channel selection groups and will allow one or more channels to be selected for each group Each channel selection group will be identified on its left if more than one group is available for the signal type To select a channel click on the below
88. nal name Individually reverse Expand Order of Multi channel signals by menu Collapse expanded Multi Channel Signals by using the symbol to the left of the signal name Zoom in or out for more or less resolution Single button Zoom Max resolution or Zoom Min resolution Marque to Zoom function see Marque Zoom Scroll by a single division or Page multiple divisions Free Scroll vertically and horizontally by a Right Click Drag Link both Waveform Views at the center time for Synchronous Scrolling regardless of each view s zoom level see Using Link Groups Drop Marker arbitrarily by Ctl Drag or Drag amp drop in the topmost row Snap Markers to next or previous transition of a signal by Drag amp drop see Cursors and Markers e Snap Markers to next or previous transition and Bring to Center by Shift Drag e Snap Signal to the next or previous transition by using the lt gt indicators to the right of the signal Arbitrary Snap to center and Edge Snap to center by a Left Click anywhere on a signal Set Clear or Jump to markers 2007 TechTools Navigating and Analyzing the Data 53 e Signal Row Order can be re arranged by dragging e Bus Signal Format can be set to HEX Decimal or Octal e Independently select which signals to view in each Waveform View e Edit Signal Properties by menu or Left Click on the signal s name see Signal Editors e Print current Waveform View or Save as JPEG
89. nal so that they will match the currently selected color theme see Color Themes 2007 TechTools 12 DigiView User s Guide 2 2 1 1 3 Asynchronous Use the Asynchronous Signal type to see the capture from a single channel decoded and displayed as serial packets of data with a specific bit count and baud rate Asynchronous Signal Editor X Signal Name RS 232 Transmit Color Selection amp Examples HEX See BEE WB Signal Color O Signal Background Communication Settings 115 2K 8 None Baud Rate Data Bits Parity Custom Odd Syne Start of Packet d H Enable Signal Channels BB Invert Signal Yalue Channel Selection 7 P16 i5 14 13112111 iofs s 7 ls 5 4 3 2 1 o Reset Colors X Cancel Signal Name Change the text displayed here to help you identify this signal definition If the name has already been used it will automatically be appended with a numerical value in brackets i e 2 The name displayed here will be used in the Waveform Views searches tables lists if applicable exports and all menu references Color Selection amp Examples If this signal definition has multiple Wave Form viewing 2007 TechTools Configuration 13 modes an example of each mode is displayed in the current color scheme followed by a listing of any items that allow custom colors i e Signal Color Signal Background Click on an item in the list t
90. new Signal using the definition with the properties you require Using the same channels in multiple definitions will not have any effect on the actual capture but can greatly increase your ability to analyze the data and present visual representation to others NOTE For your convenience the signal editors display a darker background on channels that are already assigned to other signals However the same channel can be assigned to as many signal definitions as you need For instance if you want to capture the Read and Write cycles of an SPI bus you can create 2 Synchronous Serial signals and assign the same channel as the Clock for each definition The currently available Signal Types are listed below Details of each type s properties are described in the following sections e Boolean single channel viewing e Bus multi channel viewing e Asynchronous serial UART analysis pre selected and custom baud rates channel inversion option from 4 to 8 bit selectable parity option Analog multiple channels combined to a single analog view 12C Complete 12C protocol analysis 7bit 10bit addressing High Speed Mode Master Codes General Call support e State Filters multi channel data by state of a single channel selectable CLK DATA inversion selectable transition state of Rising Falling Both additional Enable channel for filtering e Synchronous from 1 to 32 bit protocols suitable for SPI analysis selectable CLK DATA inv
91. ng the data to the center of the screen instead of moving the marker out of view You can still drag the marker with or without auto snap to another point in the data but when you release the mouse button the marker AND the data will be brought to the center of the screen ready for zooming in out TACKing a marker is particularly useful for walking though a signal edge by edge Normally when you SNAP the a marker the marker moves to the previous or next edge of the associated signal When the marker is tacked the DATA is brought to the MARKER and the screen center This allows you to walk through the data without continually re centering the screen It also supports our bring the data to the center THEN zoom paradigm Note that this is an intelligent TACK It does NOT freeze the marker at the screen center It brings the marker to center any time you move the marker by dragging snapping or setting its position This allows the marker to stay at a specific TIME EDGE if you scroll the screen or jump to another marker The next time you attempt to move the TACKed marker it will move relative to the place you left it then bring it and the data to the window s center For example we will assume that you have enabled the Tack option for both X and Y markers While you are moving snapping the X marker it stays as the center You can jump to the Y marker and it starts tacking at the center At any time you could jump back to the X m
92. ng to achieve faster performance 2007 TechTools Configuration 43 Minimum Post Trigger Buffer Adjust the amount of buffer to reserve for data captured after the trigger event Channel Monitor This area displays the channel color relationship and each channels relative activity Trigger Thresholds Select the trigger threshold for each group of 18 Channels The selection can be made by highlighting one of the pre defined values or use the slider beneath these values to select a custom value The valid range for each threshold is 6V to 6V 2 4 Color Themes Several pre defined color schemes and a custom scheme can be selected from the Color Theme Selection window This window is accessed from the CONFIG menu IYJ Color Theme Selection Theme Selection v Custom Black Amber Cream Green BlueGreen Blue Gray System Marker Selection Light Markers Medium Gray wv Dark Markers Light Gray Dark Gray Selected Colors Select Custom Theme to Change O Window Background O Grid Color BB window Font BB Signal Color O Signal Background Reset Signal Colors x Cancel wi OK Theme Selection Select custom if you would like to define your own colors otherwise select from one of the pre defined color schemes The Marker selection will be chosen automatically and disabled for some theme choices Marker Selection When selecting a theme a compatible marker set will be au
93. o bring both cursors into view lt gt without SHIFT Scroll LEFT or RIGHT 1 division hold to repeat with SHIFT Scroll LEFT or RIGHT 5 divisions 1 2 screen hold to repeat H Scroll to START or END of data 4 7 Table View Windows Table views present the data as a list of numbers tabular form Table windows can be created after a signal of any type is created To create a Table view select any of the signals presented on the New Table submenu of the Window menu Some signals in the menu will have raw appended to the signal name These signals can be added to a Table view in their raw data format but are better viewed in their decoded format using a List view see List Views Time Auto ALE aADi4 0 1 2 3 1 800 us 0 0983 1 1 0 0 1 560 us 1 0983 1 1 0 0 1 450 us 1 0948 1 1 0 1 leu 1 370 us 0 0948 1 1 0 4 1 260 us 0 0o90 0 0 0 0 or 1 010 us 1 0o90 0 0 0 0 T one a e o 820 ns 0 094C 0 0 1 1 720 ns 0 0960 0 0 0 0 He LL PE E UK Cl 370 ns 1 0974 0 0 1 0 360 ns 1 0054 0 oO 1 0 EEEE FE R ln Be 2007 TechTools Navigating and Analyzing the Data 61 Multiple tables can be created and viewed simultaneously Multiple signals can be viewed with each signal in a separate column Multi Channel Signals can be expanded to multiple columns Expand order of Multi channel signals can be reversed Signal column order can be re arranged by dragging Bus Signals
94. o select a new color Communication Settings The current communication settings for the decoder are displayed in the order of Baud Rate Data Bits and Parity To change these items use the appropriate property editors below Each signal definition has its own decoder so these settings will not affect other Synchronous signal definitions Baud Rate Select from one of the pre defined baud rates or select Custom to enter a non standard rate Custom rates should be specified fully i e 115 2K should be specified as 115200 Baud as shown in the Custom box above Data Bits Select the number of DATA bits in the packet Options are from 4 to 8 bits Parity Choose the desired parity Options are NONE ODD EVEN ONE ZERO Sync Start of Packet Use this button to synchronize to the beginning of the first packet in the captured data Normally this is unnecessary unless DigiView can not automatically find the beginning of a packet in the data captured Right Click on the button to advance the decoder by one bit and Left Click to backup by one bit Click multiple times or hold the button down to repeat the action The decoders shift bit action is performed in a circular fashion and is limited to the number of bits required for a single packet The numerical display to the right of the button tracks the bit position from the beginning of the available data Enable Signal Channels This item is selected checked by default Uncheck this item to
95. on of the Clock channel Enable State Choose the logic level of the Enable channel that determines when the clock channel is valid Options are LOW HIGH IGNORE Whenever the Enable channel matches the indicated state the clock and data channels will be decoded Set this option to Ignore if these channels are always valid and you do not wish to use the Enable channel as a qualifier Enable Signal Channels This item is selected checked by default Uncheck this item to completely disable the Signal Definition It is recommended to disable any signals that use channels that are not connected to a physical device When a capture takes place Run any channels that are assigned to disabled signals will be ignored instead of using valuable capture space Invert CLK Data These items are de selected unchecked by default Check these items to have the value of the associated channel inverted before being decoded This setting will not affect any other signal definitions that may use the same channels Channel Selection This is where you will associate a signal definition with the physical channels or connections to the outside world Each signal definition type will have one or more channel selection groups and will allow one or more channels to be selected for each group Each channel selection group will be identified on its left if more than one group is available for the signal type To select a channel click on the below
96. ontrol applet Play Event Sounds Selected by default this option causes the software to present an audible indication of any Snap or Scroll events De select this option if you do not want the audible alert The Audible sound can be customized by using the Operating systems Sounds control applet Wave Form Views Vertical Lines Check this option to display vertical lines at the time divisions in the Wave Form views Center Line Check this item to display a wide vertical line at the center time of the Wave Form views Horizontal Lines Check this option to display a horizontal line beneath each visible signal in the Wave Form views This may be desired to help determine the state of multiple Boolean signals when zoomed in at maximum resolution Reset Row Height Click the Apply button to reset the heights of all signals in the Wave Form displays to the value entered as the Current Default size Edit the current value to enable the Apply button 2007 TechTools Capturing Data Part Capturing Data 47 3 Capturing Data CEOE D Once signals and triggers are defined you can capture a new buffer of data at any time by pressing the Run button If you tire of waiting on a trigger or it triggers but you tire of waiting for it to fill up the buffer you can STOP or ABORT the capture 5 Continuous Run This will ARM the hardware and automatically transfer the data to the PC repeatedly This mo
97. ou can click on the pin out button to see a physical layout of the channel connector with color codes Note that it is important to enable only channels that are actually being connected to your circuit The remaining unconnected channels will be floating and will most likely pick up noise or power line hum If enabled these transitions will get stored wasting storage space It is also important to connect the black ground wires to your target s ground so that the analyzer and the target have a common ground reference Changing the Signal order When adding a large number of signal definitions you may want to change some of their positions to organize or group related signals To change the display order grab the small handle in the left margin with your mouse and drag the definition to a new position Signal Name The name of this signal definition This value can be changed by editing the signal s properties see Signal Editors Signal Colors and Type Ee States etc You can see the color of a signal and determine the type by the graphical indicator displayed to the right of the channel indicators Each signal type will display a unique graphic with representative colors Delete Signal x You can delete a signal definition by clicking on the X Edit Signal Properties 4 You can change the properties of a signal definition by clicking this button See Signal Editors Enabled Status H V Indicates the enabl
98. ow Options also see Docking Windows Tab Window Options Tab Window Options After Tabbing windows together several display options are available from a pop up menu that is accessible by Right Clicking on any of the Tabs Available options depend on the selected Tab Orientation 2007 TechTools Window Arrangement 83 Tab Orientation Options are TOP LEFT BOTTOM RIGHT Choose one of these options to change the placement of the Tabs in a tabbed window Status Search Manager y Table ALE 0 T able OE List Code Fo Data Read x20 gt Fe Fetch from 094D gt JS Missing ALE gt i Fox Data Read xx2x gt il For Address Latch gt Fo Code Fetch gt Search Manager Je List Code List Address lm A Table ALE H Table OF Tab Rows Options are SINGLE MULTIPLE Choose multiple to have the tabs align in a single row with scroll buttons on the right Choosing multiple will change the tabs to the default multiple row behavior and remove the scroll buttons Tab orientation must be set to Top or Bottom to select the Single option Status Search Manager vy Table ALE 0 T able OE List Code e D Address Se AD1 0 lt 100ns Se Data READ Se Data Read xx20 Se Fetch from 094D Se Missing ALE Se Data Read xx2x Se Address Latch Se Code Fetch am 2007 TechTools 84 DigiView User s Guide Tab Size Opt
99. p is set to Any number of packets Then Match After skipping this selection will determine the type of match to perform Options include simple data comparisons lt gt Value or Sequence In this field you would enter the specific data or sequence of data here When using a sequence of data each value must match the comparison For example if you specified Greater Than for the match then specified 1 2 3 for the sequence Then the first packet must be greater than 1 the second greater than 2 and the third greater than 3 before a match is declared A sequence of values must be delimited by a or a space or both Each value can be specified as Decimal 0 HEX 0x00 binary b00000000 ASCII 0 or a mix of these formats Match Point The selected marker will be set to the match point when a match occurs If multiple terms are used then you can specify which term group should be used to mark the match time In the graphic above the second group has been chosen as indicated by the blue line to the left of the group The line s color will reflect the color of the chosen marker when selected To select a different group use the mouse to click on the line to the left of the group If no group is chosen the first group will be the match point Disabled Select this option to have the search ignore the term group Adding Term Groups The More button is used to add term groups Groups are added after the select
100. p it at that point The arrow will point to the nearest edge or to the nearest edge in the direction of mouse movement even if that edge is off screen If you do NOT want to SNAP but rather wish to drop the marker exactly at the mouse position you can either hold down the control key or move your mouse above or below all waveforms before releasing the mouse button Auto Snap amp Bring to Center Hold the SHIFT key when Snapping the markers to force the snapped to edge to the center of the screen Drop amp Bring to Center Hold both the SHIFT key and the CTRL key when dragging a marker to drop the marker and bring the drop point and marker to the center of the screen Right Click Popup Right clicking on the name of the signal or in the top margin opens a pop up menu with easy access selections to bring a marker to the center of the window or to clear one or more markers This provides another method of Setting Clearing and Jumping to markers If you click on the signal s name then this popup menu will also include signal specific options Active Marker Any action that uses a marker will automatically designate that marker as the Active Marker The active marker exposes additional properties and associated items for easier navigation and support to bring the data to Center concept Waveform Association When you snap a marker to a waveform it becomes associated with that waveform as indicated by the reversed color in the
101. pe Network Cancel Select a different printer by using the selection box in this window Available printers can also be selected in the selection box beside the Configure Print Device button if you do not need to access the printers detailed properties Select the Properties button to access detailed options of the displayed printer Include Comments Select this option to add comments to the Bottom of the image to be printed When the Print Window is opened the capture data and time are automatically added to the comment section If you do not want to include the capture information it can be deleted The comment box below the image to print will increase in size as you type comments If the comment needs more room the size of the image will decrease The preview in the upper 2007 TechTools DigiView User s Guide portion of the window will automatically update as you change options or type comments Vi Print Preview BAX Orientatio Output Type Portrait C Landscape JPEG Printer Configure Print Device Canon i250 D E Heli 1 Marre x v Att 1 DREI s ga 3 13 2006 03 02 12 pm Type any comment here The Comment Box will grow as the length of the comment increases The size of the image will shrink if the comment needs more space Type any comment here The Comment Box will grow as the length of the comment increases The size of the image will shrink if the
102. r ASCII format The value will be limited to the maximum value allowed for the selected signal which will depend on the number of bit positions assigned to the signal The formats for entering each value type is described below Decimal Enter any valid decimal value An Invalid value will be cleared to 0 or assumed to be HEX HEX Start the value with an x or a Ox If too many digits are entered the most significant nibble leftmost will be discarded Any non HEX digit will be ignored Binary Enter b followed by 1 s and 0 s If too many digits are typed the MSb leftmost bit will be discarded Any numerical value larger than a 1 or non numerical character will be considered a 1 ASCII Start the value with a single or double quote Duration Enter the match duration by selecting the units then typing the value The Maximum Duration period for Model DV3400 is 5 ms The Trigger condition will not be considered as True until the entered value for the selected signal has been valid for the indicated duration period Identifier Change the identifier to something meaningful for the match condition if you do not want the default Match to be displayed in the formula and the graphical configuration area of the trigger screen 2 2 2 1 1 7 Greater Than or Equal Match The Greater Than or Equal Match type is only available on DigiView Model DV3400 The Greater Than or Equal Match Editor 2007 TechTools Confi
103. r buttons will perform similarly paired functions IK Goto Trigger Goto XY Left Click Go to the Trigger Point Cursor Right Click Go to the midpoint of the X and Y Marker then Zoom to Fit in view A Goto AB Goto CD Left Click Go to the midpoint of the A and B Marker then Zoom to Fit in view Right Click Go to the midpoint of the C and D Marker then Zoom to Fit in view Link Unlink Waveform Views Down Position Waveform views are LINKED for Synchronized Scrolling first graphic above Up Position Waveform views are NOT linked allowing independent scrolling second graphic above When Linked all members of Link Groups 1 and 2 will also be linked see Using Link Groups d Scroll by 1 Left Click Scroll left by 1 division LEFT means to scroll the view window to an earlier point in time hold to repeat Right Click Scroll right by 1 division Right means to scroll the view window to a later point in time hold to repeat E Scroll by 5 Left Click Scroll left by 5 divisions 1 2 screen hold to repeat Right Click Scroll right by 5 divisions 1 2 screen hold to repeat Ka Scroll Start End 2007 TechTools 58 DigiView User s Guide Left Click Scroll to START of data Right Click Scroll to END of data Ki Search Left Click Search Left to previous match using selected Global Search Right Click Search Right to next match using selected Global Search Searc
104. rce a minimum count of 1 2 2 2 1 3 Trigger Selection Editor From this window trigger configurations can be created deleted renamed and copied E Y Trigger Configurations L Tel New Trigger ch New Configuration Select the button to create and add a new configuration Rename Configuration Select the pencil button to edit the name of the configuration Copy Configuration Highlight an existing configuration and select the copy button to create a new configuration with identical properties This is useful if you need a slightly modified version of a complex configuration Using the copy button will help you avoid re configuring from scratch x 2007 TechTools Configuration 41 Delete Configuration Use the delete button to dispose of a configuration NOTE all deletions are final 2 2 2 2 DV1 100 Trigger Overview There are actually two complete trigger circuits in the DV1 100 Pattern or level and Edges Either of these can be used to specify a trigger or they can be combined by connecting both to TERMS 1 to create a qualified trigger When you combine the two trigger circuits you will get a trigger ONLY if the EDGE detection trigger AND the LEVEL detectors match at the same time In other words we detect the specified edge s while the level pattern matches If you deselect everything no edges or levels specified or disconnect both trigger circuits then
105. re to help you identify this signal definition If the name has already been used it will automatically be appended with a numerical value in brackets i e 2 The name displayed here will be used in the Waveform Views Searches Tables Lists if applicable Exports and all menu references Color Selection amp Examples If this signal definition has multiple Wave Form viewing 2007 TechTools Configuration 21 modes an example of each mode is displayed in the current color scheme followed by a listing of any items that allow custom colors i e Signal Color Signal Background Click on an item in the list to select a new color Communication Settings These settings determine how the data of the selected channels will be be decoded To change these items use the appropriate property editors below Each signal definition has its own decoder so these settings will not affect other Synchronous signal definitions Data Bits Select the number of DATA bits in the packet Options are from 1 to 32 bits Enable State Choose the logic level of the Enable channel that determines when the clock channel is valid Options are LOW HIGH IGNORE Whenever the Enable channel matches the indicated state the clock and data channel will be decoded Set this option to Ignore if these channels are always valid and you do not wish to use the Enable channel as a qualifier Clock Edge Choose the transition state of the
106. ressed buffer to fill the viewable portion of the display screen and even that is compressed 2007 TechTools Index 107 IDEF 63 10 bit Slave Address 63 10 bit 63 a Ze 7 bit Master Address 63 7 bit Slave Address 63 7 bit 63 9 90GBytes 105 A A 59 A ACK 63 Abort Button 86 ABORTING 47 Active Marker 53 Add anew Signal 5 Add new Signal 5 Adding Term Groups 70 75 77 Address 72 AlttC 59 AE 59 AlttH 59 Alt S 59 Alt W 59 Analog Signal 14 Analyzer Options 42 Appendicies 105 Arbitrary Snap 51 Arbitrary Snap to center 51 ASCII column 63 ASCII value 63 Associated Channels 5 Asynchronous Searches 70 Asynchronous Signal 12 63 Auto Save Restore 101 44 Auto Snap 53 Auto Snap amp Bring to Center 53 B B 59 B Break 63 Bandwidth shortage 48 baud rate 12 Beginning of CBUS packets 63 Bird s Eye View 51 58 Boolean Signal 8 Bring to Center 51 53 Buffer Size 42 BUS 5 Bus Signal 10 Bus Signal Format 51 bus powered hub 2 BUTTONS 82 C C 59 Cancel Button 97 capture buffer 5 2007 TechTools 108 DigiView User s Guide Capturing Data 47 CBUS 63 CDROM 2 Center Line 44 Changing the Signal Color 5 Changing the Signal order 5 Channel Monitor 42 Channel Selection 10 12 14 16 18 20 8 circular queue 47 Clear 51 Clear All Button 87 Click and drag to marquee 56 CLK 18 20 Clock Edge 18 20 Close Button 86 Code is Not De
107. rs This button will reset the colors for this signal so that they will match the currently selected color theme see Color Themes 2007 TechTools 10 DigiView User s Guide 2 2 1 1 2 Bus The Bus Signal is the second most common method of viewing captured data Bus Signals provide viewing of multiple channels as a single value at any given point in time Bus Signal Editor X Color Selection amp Examples HEX a0 Decimal 2521 2448 2521 Octal 473 4620 4731 BB Signal Color O Signal Background Bf Enable Signal Channels BB Invert Signal Value Reset Colors X Cancel Signal Name Change the text displayed here to help you identify this signal definition If the name has already been used it will automatically be appended with a numerical value in brackets i e 2 The name displayed here will be used in the Waveform Views searches tables lists if applicable exports and all menu references Color Selection amp Examples If this signal definition has multiple Wave Form viewing modes an example of each mode is displayed in the current color scheme followed by a listing of any items that allow custom colors i e Signal Color Signal Background Click on an item in the list to select a new color Enable Signal Channels This item is selected checked by default Uncheck this item to completely disable the Signal Definition It is recommended to disable any signals that use
108. rs 63 L Less Than Match 36 Less Than or Equal Match 37 LEVEL then EDGE trigger 22 LEVEL trigger 22 line numbers 87 Link 51 Link Unlink Waveform Views 57 Link Group 60 Link Group indicators 65 Link groups 51 65 Linking Views into Time Relative Groups 51 List Exports 89 List View Windows 63 2007 TechTools 110 DigiView User s Guide Local Search 67 Mark the match point 66 Marker Selection 43 Marker Tack 53 marker visibility 43 Markers 53 Marque to Zoom 51 Marquee Zoom 51 56 Master Address 63 MASTR 63 Match 70 match circuits 26 Match Duration 74 Match Pattern Format 66 74 Match Point 69 70 72 75 77 match sequence 69 Match Type 26 Match Types 26 micro grabber hooks 4 Minimum Post Trigger Buffer 42 Monitor signals 47 Multi channel signals 60 multiple channels 10 N N NAK 63 Navigating and Analyzing the Data 51 Navigation Cursors Markers A Buttons 51 New 101 New From Template 102 New List 63 new position 5 New Search Manager 68 New Table 60 No Errors 63 Noise Filter 16 Not Equal Match 31 Numerical Format 87 89 90 O O 59 Open 101 Orientation 94 OutPut To 94 97 Over riding Docking 80 P P Parity Error 63 Packet Format 72 packet is terminated prematurely 63 packet values 66 Page 51 Parity 12 PATTERN 22 Pattern Match 27 pattern matches 66 Pattern Searches 74 PGMIR 63 PGM R 63 physical channels 4 5 physical layout o
109. s of DigiView s searching capabilities Defining Searches Performing a Search Using the Search Manager DigiView s Search Types 4 10 1 Define Searches New searches are defined by clicking on the Search gt new menu item and selecting the type of search from the submenu Multiple search types will be available depending on the type of signals that have been defined For example if you have defined a signal of type I2C then the I2C search type will be available from this menu For details on each search type see Search Types After selecting the type of search to define a new search definition will be created with default properties and its editor window will automatically open Searches are defined in terms of Signals matching specific criteria Depending on the search type one or more signals are selected and a match pattern match value or other conditions are defined for each Some search types even allow sequences of match conditions with the option of placing the match marker at a specific point in the match sequence When ALL specified 2007 TechTools Navigating and Analyzing the Data 67 signals and conditions match the criteria then we have a match All search types and therefore all search editors have the following common properties From Center Time si SetMarker D v Search Name Description Use the Name field to describe the search This descriptor will be displayed in the Search Manag
110. see Printing To access the menu Right Click on a Signal name the leftmost column or the topmost row When clicking on the Signal name or leftmost column of a signal the menu will have additional signal specific options Goto Trigger Goto Marker gt Set Marker gt Clear Marker gt Show Waveform gt ALE gt Edit ALE Hide ALE Print WaveView 4 2 Using Cursors and Markers Markers or Cursors Six markers A B C D X Y are provided Markers have several uses They can be used to measure time to bookmark locations and to help bring data to the center of the screen The Status window shows the current time of each marker relative to TRIGGER as well as the time between adjacent markers Whenever a marker becomes the Active Marker its corresponding information will automatically highlight in the Status Window In the image below marker A is the active marker 2007 TechTools 54 DigiView User s Guide Status EJ S 6 ms 946 us 690 0 ns 3 us 250 0 ns 8 ms 950 us 650 0 ns 1 ms 987 us 990 0 ns X 280 ns 530 ns B 6 94291 ms C 2 00774 ms D 19 75 us Samples 1 373 Million Total 13 73413 ms Capture Date Unavailable Drag to place Simply click on a marker and drag it to the area of interest You can grab the marker itself the vertical line in the waveform area or its flag the rectangle at the top of the window Notice that the flags are offset so t
111. seeeeneeeseseaeenseeeeseeeseseeeeenseaes Appendicies DigiVieW Compression sccsseeeeseeeeeeeeeneeeeeeeeeeeseaeeneeeeeeeeeseneeeenseees Index 2007 TechTools Installing the Software Part 2 DigiView User s Guide 1 Installing the Software Version 4 0 06 25 07 Chances are that you already know this part but Installing from CD ROM Insert the CD ROM in your CD Drive If the installation program does not auto start then go to the CD ROM drive and dbl click on the only executable file in the root directory of the CD If you are presented with a choice of products select the DIGIVIEW software and follow the prompts to complete the installation All of the defaults offered are acceptable but you may over ride any of them you want Installing from a WEB Download If you downloaded the software from our web site double click on the file you downloaded to launch the self extracting install program Follow the prompts to install the software All of the defaults offered are acceptable but you may over ride any of them you want gt gt gt MAKE NOTE OF THE DESTINATION DIRECTORY the default is c program files Techtools DigiView You will need to know this when Windows installs the USB drivers 1 1 Installing the USB Drivers Windows handles installing the USB drivers the first time you connect the DigiView to your system 1 MODEL DV1 100 Plug DigiView into a POWERED HUB one with its own power s
112. selection group will be identified on its left if more than one group is available for the signal type To select a channel click on the below the proper color and channel number that corresponds to the physical connection of the DigiView Cable see Connecting the Data Lines Channels that are selected for this signal will replace the with a blue dot as shown above Channels that are already defined in other signal definitions will have a darker color around the selection area for the channel as channels 1 and 2 do in the graphic above SCL Select a channel to decode as the I2C CLOCK SDA Select a channel to decode as the I2C DATA Reset Colors This button will reset the colors for this signal so that they will match the currently selected color theme see Color Themes 2007 TechTools 18 DigiView User s Guide 2 2 1 1 6 State Use the State Signal type to see the data from one or more channels only when the state of another channel changes This other channel will be used as a state clock and optionally the Clock can be qualified by the logic state of an additional channel Enable This signal type can be used to mask invalid data during bus transitional periods or the noise that occurs during unqualified periods making it easier to analyze true data el he Color Selection amp Examples Default OD 9D9 BB Signal Color O Signal Background Clock Edge Rising e Enable
113. t Determines the number of packets to skip before looking for a match This value is ignored if Skip is set to Any number of packets Then Match After skipping this selection will determine the type of match to perform Options include a Terminated Packet error and simple data comparisons lt gt Value or Sequence If searching for a comparison you would enter the specific data or sequence of data here When using a sequence of data each value must match the comparison For example if you specified Greater Than for the match then specified 1 2 3 for the sequence Then the first packet must be greater than 1 the second greater than 2 and the third greater than 3 before a match is declared This value is ignored if searching for a packet error A sequence of values must be delimited by a or a space or both Each value can be specified as Decimal 0 HEX 0x00 binary b00000000 ASCII 0 or a mix of these formats as shown in the first term group above ASCII ASCII HEX DEC HEX DEC HEX Match Point The selected marker will be set to the match point when a match occurs If multiple terms are used then you can specify which term group should be used to mark the match time In the graphic above the second group has been chosen as indicated by the blue line to the left of the group The line s color will reflect the color of the chosen marker when selected To select a different group use the mouse to clic
114. t Default Size 28 Jf OK General Auto Save Select this option to automatically save the current file All current settings and data will be saved to the file when exiting the program or opening another file The Notify when Save Needed option is disabled when this option is enabled see Saving and Restoring Notify when Save Needed Select this option if you want to be notified of unsaved changes before exiting the program or opening another file The Auto save option is disabled when this option is enabled see Saving and Restoring 2007 TechTools Configuration 45 Show Selections on Startup Selected by default this option presents a Choice of items to load when the software is launched De select this option to skip the selection window on startup If disabled the Restore Last File on Startup option will be enabled Restore Last File on Startup Select this option to skip startup options and automatically load the last file used previously If disabled the Show Selections on Startup option will be enabled see Saving and Restoring Play Trigger Sound Selected by default this option causes the software to present an audible indication of Trigger events In continuous run mode the alert will sound only once on repeated trigger conditions De select this option if you do not want the audible alert The Audible sound can be customized by using the Operating systems Sounds c
115. the matching pattern begins Match Duration Determines whether to skip all packets until a match is found or to skip the number of packets specified in Skip Count and then see if the next packet is a match Duration Units The duration qualifiers can be in ns us ms or sec and can use REAL numbers 1 23 us Signals Select a signal from this list to add them to the search Signals added to the search are displayed below the signal selection box where the pattern to match can be edited Match Pattern Format The match patterns can be specified in decimal hex or binary To indicate a HEX specification precede the number with 0x To indicate BINARY precede the number with D Binary specifications allow 0 1 and X don t care characters HEX specifications allow HEX digits 0 1 A F or X for a nibble of don t care bits Decimal specifications must use only 0 9 2007 TechTools Navigating and Analyzing the Data 75 4 10 4 4 State Searches The State search type is only available if a State signal type has been defined see Defining Search Types State Signals Search Edit STATE From Center Time si Set Marker x v Signal Code hd Skip Any number of packets Skip Count Then Match Data EQUALS value or sequence Value or Sequence Ox3FD Disabled Skip Specified number of packets e Skip Count Then Match Data NOT EQUAL J to value or sequence Value or Sequence ECKE Disabled
116. the proper color and channel number that corresponds to the physical connection of the DigiView Cable see Connecting the Data Lines Channels that are selected for this signal will replace the with a blue dot as shown above Channels that are already defined in other signal definitions will have a darker color around the selection area for the channel as all of the channels do in the graphic above CLK Select a channel to decode as a CLOCK to qualify the Data Data Select one or channels to decode as the DATA Enable Select a channel to qualify the CLOCK Reset Colors This button will reset the colors for this signal so that they will match the currently selected color theme see Color Themes 2007 TechTools 20 DigiView User s Guide 2 2 1 1 7 Synchronous Use the Synchronous Signal type to see the data from a single channel decoded as a serial packet by using another channel as the bit clock Optionally you can use the Enable channel to qualify the clock The decoded data will be displayed as serial packets using the specified bit count bit order LSB MSB and Clock edge Default WB Signal Color O Signal Background Communication Settings Data Bits 1 32 e jw LSB First Enable State High D Clock Edge Faling D Syne Start of Packet gt o H Enable Signal Channels BB invert CLK BB Invert DATA Reset Colors A Cancel Signal Name Change the text displayed he
117. the trigger is disabled see Trigger Configuration Match Types Match 0 Terms 1 Match 1 EDGE 1 0E 2 Address CLK 3 Address DATA xxx xxxx xxxx DBL Click to Edit Trigger Out 2007 TechTools 42 DigiView User s Guide 2 3 Analyzer Options Each model of DigiView has a different set of options that can be adjusted directly from the software These options are shown summarized below Model DV1 100 Hardware Options Auto Prefill Enable this option to use up to 50 of the buffer for pre trigger capture data Disable if pre trigger capture is not desired Model DV3400 Hardware Options Signal Definitions Hardware Triggers Analyzer Options Sample Mode Buffer Size 100 Minimum Post Trigger Buffer 60 e 200 Mhz 36 Channel OE F 400 Mhz H 18 Channel 4 D D D D D D D D D D 1 i D D D D D D Channel Monitor AGP 1 32 AGP 32 CET 1 58 CET 1 58 CHOS 8 75 CHOS 1 5 8 75 CHOS CHOS 1 8 8 98 CHOS 2 5 1 25 CHOS 3 3 1 65 CHOS 5 0 2 58 ECL 1 36 GTL 8 88 GTL 1 66 HSTL 8 75 PECL 3 78 PECL LU 2 68 SSTL 1 8 8 98 SSTL 2 8 1 25 SSTL 3 6 1 58 TTL 1 58 TTL LU 1 48 CMOS 33 1 65 Sample Mode Select the sample rate and channel mode Buffer Size Adjust the amount of capture buffer 1 100 When operating in Continuous Run Mode you may want to reduce the buffer size to a lower setti
118. they move together through the data 2007 TechTools Navigating and Analyzing the Data 59 Birds Eye Birds E Each of the markers are also shown with color coordinated lines You can click on the BirdsEye window to position a waveform window in the area of the data clicked on If the secondary waveform window is open then clicking in the bottom half repositions the secondary waveform Clicking in the top half repositions the main waveform If the secondary waveform is not visible then clicking anywhere in the window repositions the primary waveform window Press and hold bel or O keys to see the affect on the bird s eye while zooming in and out 4 6 Hot Keys The HOT KEYs are not expected to replace a mouse but rather supplement it When analyzing lots of data it can be useful to use the keyboard for say ZOOMING and SCROLLING while using the mouse for cursor control A B C D X Y without shift GOTO marker A B C D X Y with SHIFT SETS marker A B C D X Y at current screen center Alt F Open the FILE menu Alt C Open the CONFIG menu Alt S Open the SEARCH menu Alt W Open the WINDOW menu Alt H Open the HELP menu 1 0 without SHIFT Zoom IN OUT one step hold to repeat with SHIFT Zoom MAX IN OUT 2007 TechTools 60 DigiView User s Guide R Run initiate a capture T GOTO Trigger point Z Zoom and pan t
119. tical groups Each group has a ground and 9 data signals The leads are color coded Black is ground brown the first data signal and so on in standard resistor color code order The second group of signals is identical The figure below shows a physical layout of the cable the data line definitions and the color codes This figure is available by clicking the PINOUT button in the Edit Triggers amp Signals window selected from the CONFIG menu This opens a non modal window so you can leave it open while you work if desired Data Cable PIN OUT Use ee Ul ley ty eh LE KSC CSS GA 808086006 Ue Weis ai 21 GP fs A3 The data cable is made of high quality extremely flexible wire and high quality connectors It is expensive so please remember your mom s advice and pull on the connectors not the wires The connectors are designed to mate to 025 square posts and can be side stacked on 100mil centers making them ideal for direct connection to standard square post connectors 2007 TechTools Configuration 5 Additionally they mate firmly with the included micro grabber hooks for connecting to IC leads The DigiView DV1 100 hardware is designed to monitor digital logic signals in the 0 to 5V range and Model DV3400 is designed for signals in the 50 to 50V range Standard overshoots and undershoots common to digital systems will not harm it The data lines have extra static protection circuits
120. to have high sample RATES AND high sample COUNTs to capture a long time span with high resolution DigiView achieves this like other logic analyzers by using a deep data buffer However DigiView also attacks this problem from another even more effective angle DigiView uses one or more real time hardware based compression techniques to compact the captured data This has a much greater impact than increasing the buffer depth The data captured in logic analyzer applications is often stable for multiple sample periods particularly at higher sample rates This coupled with fast sample times and a very long run length limit makes our compression very applicable in real world applications To illustrate the effect of DigiView s compression and also present it in a manner that is more relevant to real world usage we have calculated several typical performance benchmarks for each DigiView Model and sampling mode You may actually see better performance ratings than the conservative estimations below DV1 100 Full Resolution Capture Minimum 128 x18 samples 10ns 1 3ms Maximum 2 35 34 Billion samples 10ns 5 7 Minutes Serial assumes gt 390 Baud lt 2 6ms between bits bytes RS232 gt 23 000 characters SYNC gt 6 000 characters I2C gt 5 000 characters 8051 cycles gt 20 000 code fetches 1MHz clock gt 65 000 cycles 65ms 6 5 Million samples 60Hz clock gt 16 000 cycles 4 4 MINUTES 26 4 Billion samples
121. tomatically selected However you can choose any of the marker color sets for the best marker visibility Selected Colors These items display the current color values of the selected theme To edit 2007 TechTools 44 DigiView User s Guide these values choose custom in the Theme Selection area then click on the item in this section that you would like to change Reset Signal Colors Click this button to reset any Signal colors that do not match the current color theme Normally changing the theme will also change a signal s colors However if you have customized a signal s color then it will not change with theme changes To reset signal colors click this button and select an option from the menu that appears To reset a specific signal s colors without changing other signals use that signal s editor instead Reset Custom to Theme This will reset or change the colors of the custom theme to match any of the pre defined themes To make the change select the Custom theme then click the button and select one of the themes from the menu that appears 2 5 Environment Settings Several Environment options are available and can be accessed from the CONFIG menu Environment Settings General i Play Trigger Sound Play Event Sounds wv Show Selections on Startup Restore Last File on Startup Wave Form Views wv Vertical Lines liga tar ne Default Row Height v Horizontal Lines Curren
122. tton on the bottom of the screen for the changes to take affect To create copy or rename a configuration use the icon to the left of the selection box to open the Trigger Selection Editor 2007 TechTools 24 DigiView User s Guide Trigger Formula left portion of screen Trigger Formula Trigger Out A For 1024 Times Thent Match 2 STABLE 1 ADD 0 15 xxxx xxxx x xe xxxx 2 Write AND Match 2 STABLE 1 State DATA Jbesslkesslsesleee For 64 Times Theni Match Ar Data Bus gt 0x55 AND Match SC Data Bus lt 0x89 v The formula presents a summary of the complete configuration Since this summary can be quite involved with a complex trigger condition each section will highlight as items in the graphical section are selected or the mouse moves over them The formula will automatically scroll to bring the highlighted section into view while working in the graphical area of the configuration In the image above the summary of MATCH 2 is brought into view as Match 2 is selected shown in blue below Schematic right portion of screen 2007 TechTools Configuration 25 Match 1 Terms 1 Non 4bGe s jon Sequenced Match 2 Terms 2 Sequencer 1 Match 5 l Less Sequencer 3 Match 6 Terms 6 1 Lis 1 Match 7 Terms 7 1 wss 4 Sequencer 4 Be s Match 8 Terms 8 1 LEDGES 1 This area is where the ac
123. tual configuration is accomplished Every trigger configuration starts with a match condition and ends with Trigger Out so the work flow is designed from left to right starting with the Match Types see Match Types When the very first Match type is selected and the match condition has been specified the match will automatically be routed graphically to the Trigger Out For Model DV3400 this means it will route to TERMS 1 then the NON Sequenced option and then to Trigger Out This automatic function is only performed if no other connections already exist Once you have started making connections for your trigger configuration the software will not try to guess your intentions Since this would hinder your work and cause aggravation the software allows you to manually connect or disconnect if the action is valid Only the obvious connect and disconnects will be performed automatically NOTE The graphical connections in the trigger configuration directly correspond to the physical circuit connections in the hardware making this screen an overview of the resulting logic in the analyzer s hardware 2007 TechTools 26 DigiView User s Guide See the Following Sections Match Types Sequencer 2 2 2 1 1 Match Types The DigiView trigger configuration supports multiple types of Match conditions The available match types depend on your model of analyzer Details of each match type can be found using the links below
124. up lt 0x03 gt Then it will look at the very next packet since the skip count is zero to see if it has an ERROR If this packet does then the focussed window will scroll to the match point and set Marker X If the next packet did not have an error then the search starts over again from the packet AFTER the one that contained the ASCII character lt This sequence of searching will continue until a complete match is found or the end of data has been reached Skip Determines whether to skip all packets until a match is found or to skip the number of packets specified in Skip Count and then see if the next packet is a match 2007 TechTools Navigating and Analyzing the Data 71 Skip Count Determines the number of packets to skip before looking for a match This value is ignored if Skip is set to Any number of packets Then Match After skipping this selection will determine the type of match to perform Options include specific packet errors any packet error and simple data comparisons lt gt Value or Sequence If searching for a comparison you would enter the specific data or sequence of data here When using a sequence of data each value must match the comparison For example if you specified Greater Than for the match then specified 1 2 3 for the sequence Then the first packet must be greater than 1 the second greater than 2 and the third greater than 3 before a match is
125. upply or directly into a USB port on your PC You CAN NOT use a bus powered hub it can not provide enough power to operate the DV1 100 2 When the Windows New Hardware Wizard starts select NEXT until it prompts you for the driver location 3 If you are installing from CDROM select the SEARCH CDROM option Otherwise select the search specific path option and enter the path to the install directory noted above default c program files techtools digiview 4 Click NEXT and Windows will install the drivers 2007 TechTools Configuration 4 DigiView User s Guide 2 Configuration The DigiView software is designed to make configuration an easy task and less time consuming than most PC based analyzer systems The easier it is configure and understand your Capture and Analysis tool the easier it will be to achieve successful results Configuration options can be accessed by using the CONFIG menu The first topic in this section covers the physical channel connections and cable color scheme The next section provides detailed information on defining trigger conditions and associating a signal type with the physical channels The last two sections deal with user preferences Connecting Data Lines Defining Signals and Triggers Analyzer Options Color Themes Environment Options 2 1 Connecting the Data Lines The DigiView data cable has 18 data lines and 2 grounds These are partitioned into 2 iden
126. ve a file or exit the program These settings are all restored when you start the software or load an existing DAT file see Saving and Restoring The main application is called the Primary window The windows created from the Windows menu are called secondary windows Docking Windows Tabbing Windows 5 1 Docking Windows Dock Sites The main application form has 4 docking sites top bottom left and right Any of the secondary windows can be docked to one of these sites by dragging the window over the site Docking a Window When dragging a window over a docking site a gray rectangle appears to indicate that the dock site is willing to accept the window Releasing the mouse button at this point docks the window to the main form at this spot Multiple windows can be docked into each of the dock sites in a variety of positions As you drag additional windows over a given dock site a different gray rectangle indicates where the window would split into the dock site You can drag it near the top bottom left or right edges to control the placement If you drag the window inward a bit more the rectangles change slightly to indicate a willingness to split the space occupied by an existing docked window rather than the dock site itself Dragging the window further towards the center of a docked window will cause the rectangle to center in the window which indicates the new window will TAB with the existing window see Tabbing Windows
127. y place we deal directly with physical channels The remainder of the software deals in terms of signal names rather than channel numbers When we define signals we are mapping a signal NAME to one or more physical channels Define New Signal Boolean Analog DC ASYNC Serial SYNC SERIAL State Click on one of the Define New Signal buttons to create a new signal After Selecting the signal button a new signal of the chosen type will be created and it s property editor will appear You can rename the signal change the channels to use for this signal definition and set all associated options from this editor For details on signal options see the section Signal Editors The main purpose of the signal section of the config screen is to provide an overview of all current signal definitions and their related channels You can also Add Edit or Delete signals from this screen determine each signal s type its basic colors and its enabled status 2007 TechTools DigiView User s Guide The configuration screen is arranged in a grid with columns representing the physical channels and one row per defined signal UP WER EP rsa ies te fe tse Bae re Sm e mmm ep e mm E eeler Channel 0 is in the farthest right column and channel 17 or 35 is in the farthest left column as marked in the header Light blue lines appear every 4th channel or nibble In addition to the color references at the top of the window y

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