NEX-SIMM72 Manual
Contents
1. jooge 900 eu cAs A11 00 ants N gt eg 18 00 n Voy gt 0 na 28 p c s A9 o o o fees W 7 oo der cAs A8 0 x a Jie J fy 9 EE dest EE eg OF g ao D1 s fu 9 7 007 2 Doe oye 005 02 g200000000000000000 o gc Connect TLA700 to fe Locations CAUTION Designated for A96 Support weight of acquisition probes to prevent damage to board or socket SIMM72 MN XXX 16 Doc Rev 1 10 APPENDIX References Hitachi DRAM Modules Data Book 1994 M11T316 JEDEC Standard No 21 C Configurations for Solid State Memories Release 7 January 1997 Micron Technology 1995 DRAM Data Book Tektronix TLA700 System User s Manual Tektronix TLA700 Logic Analyzer User s Manual Tektronix DAS 9200 System User s Manual Tektronix DAS 9200 92A96 User s Manual SIMM72 MN XXX 17 Doc Rev 1 10 PPENDIX Support About Nexus Technology Inc NEXUS TECHNOLOGY Established in 1991 Nexus Technology Inc is dedicated to developing marketing and supporting Bus Analysis applications for Tektronix Logic Analyzers We can be reached at Nexus Technology Inc 78 Northeastern Blvd 2 Nashua NH 03062 TEL 877 595 8116 FAX 877 595 8118 Web site http www nexu2. Also note that this manual uses some terms generically For instance references to a 92A96 acquisition card apply to a 92C96 acquisition card references to the DAS9200 apply equally to the TLA500 and references to the TLA700 apply to a TLA704 or TLA711 chassis with one or more 7L3 4 or 7M3 4 acquisition cards Appendix D is a silk screen print of the NEX SIMM72 Adapter board Referring to this drawing while reading the manual is suggested This manual assumes that the user is familiar with the different 72 pin SIMM connector configurations and the Tektronix TLA700 DAS9200 or TLA500 Logic Analyzer Also in the case of the TLA700 it is expected that the user is familiar with Windows 95 For information on using a Prism 32GPX GPD module with this support or if 514 DAS floppies are needed please contact Nexus Technology See Appendix F for contact information SIMM72 MN XXX 4 Doc Rev 1 10 2 0 SOFTWARE INSTALLATION Two 312 diskettes have been included with the NEX SIMM72 Bus Adapter One is for use with the TLA700 series the other is to be used with a DAS9200 500 21 TLA700 The NEX SIMM72 software is loaded in the same method as other Win95 programs Place the NEX SIMM72 Install disk in the floppy drive of the TLA700 Select Control Panel and run Add Remove Programs choose Install Next then Finish Add Remove will then run SETUP EXE on the floppy and install the 51 272 support in its proper place on the hard di
3. eese nennen enne 11 TABLE OF TABLES Table 1 SIMM72 TLA700 92 96 Wiring cceccceseceseceeeeeeseeceseceseceeeeeeseecsaeceseeeeeeeeaeeeaeeneeaes 8 Table 2 SIMM72 Control Symbol Table e rrt er E eie susndecaeasveuaccedendenesstesantes 9 Table 72 spri 15 Doc Rev 1 10 o2 SIMM72 MN XXX 10 OVERVIEW 1 1 General Information The NEX SIMM72 adapter has been designed to provide quick and easy connections to interface a 102 or 136 channel TLA700 92A96 or a 92C96 acquisition module to a 72 pin SIMM Single Inline Memory Module socket In addition the method of connection permits the use of other acquisition cards pattern generation cards or other measurement devices such as oscilloscopes The NEX SIMM72 adapter includes software which permits the synchronous acquisition of the following DRAM cycles e Standard Read and Write e Fast Page Mode e EDO Extended Data Output e RAS only Refresh Cycles e CAS before RAS Refresh Cycles By acquiring the information synchronously data is stored as individual and complete cycles rather than clocking the data asynchronously and forcing the user to determine bus cycle activity by examining the signal relationships Note that the status of all active CAS lines may not be acquired properly due to the timing margins present in a design Proper acquisition of the CAS Address is not affected This is also true of the RAS lines during a RAS Only Refresh
4. and 4 each RAS CAS enable lines If fewer Address and or Data lines exist on the target bus then refer to the instrument specific instructions below 32 1 TLA700 To load SIMM72 support into the TLA700 first select the desired Logic Analyzer card in the Setup screen select Load Support Package from the File pull down then choose SIMM72 and click on Okay Note that the Logic Analyzer card must be at least 102 channels in width The SIMM72 support acquires both Fast Page Mode and Extended Data Output EDO DRAM cycles When using a TLA700 the clocking mode 18 selected by moving to the System window clicking on Setup for the appropriate LA card then clicking on More a button to the right of the Clocking field Choose the desired DRAM clocking mode in the Clocking Select field Include or Exclude Refresh Cycles If fewer than 12 RAS CAS Address lines are being used then the extra signals should be removed from the pre defined groups Refer to the TLA700 Users Manual for information on adding or deleting signals from a group 3 2 2 DAS 9200 TLA500 Load the desired support from within the 92496 Config menu Select SIMM72 Support press lt and the channel grouping clocking and symbols will then be loaded The SIMM72 support acquires both Fast Page Mode FPM and Extended Data Output EDO DRAM cycles Move to the Clock menu and choose the desired DRAM clocking mode Include or Exclude Refresh Cycles If fe
5. AS2 active Write RAS2 CASI active Write RAS2 CASO active Write RAS1 CAS3 active Read 51 CAS2 active Read RAS1 CASI active Read RASI CASO active Read RAS1 CAS3 active Write RAS1 CAS2 active Write RAS1 CASI active Write RAS1 CASO active Write RASO CAS3 active Read RASO CAS2 active Read RASO CASI active Read RASO CASO active Read RASO CAS3 active Write RASO CAS2 active Write RASO CASI active Write RASO CASO active Write RAS3 Refresh cycle RAS2 Refresh cycle RASI Refresh cycle RASO Refresh cycle RAS Refresh cycle Table 2 SIMM72 Control Symbol Table Signals from left to right RAS3 RAS2 51 50 53 CAS2 51 CASO WE SIMM72 MN XXX Doc Rev 1 10 5 0 VIEWING DATA 5 1 Viewing State Data on the TLA700 After making an initial acquisition the TLA700 will display the data in the Listing State format RAS Address CAS Address HiData and Data information is displayed in hexadecimal format Control data is displayed using symbols the Miscellaneous group defaults to OFF The use of Symbol Tables when displaying state data enables the user to quickly determine what type of bus cycle was acquired One symbol table Table 2 has been provided to show the type of transaction that occurred on the SIMM72 This symbol table quickly shows what kind of memory cycles occurred a Read Write or Refresh It is important to note that changing the group channel or wi
6. Clocks Clock 0 PRD3 Clock 1 PRD2 Clock 2 PRD1 Clock 3 CAS_STRT Table 1 SIMM72 TLA700 92A96 Wiring Derived signal Denotes a low true signal SIMM72 MN XXX 8 Doc Rev 1 10 Pattern 1 OxxxxOxx1 OxxxxxOx1 01 OxxxOxxxO OxxxxOxxO 0 0 00 1 xOxxxOxx1 xOxxxx0x1 xOxxxxx01 xOxxxx0x0 xOxxxxx00 0 1 0 1 xxOxxx0x1 0 01 0 0 0 0 0 00 00 1 1 1 0 01 00 0 00 1111 0 1111 0 1111 01111 11111111 Symbol READ READ READ READ WRITE WRITE WRITE WRITE READ READ READ READ WRITE WRITE WRITE WRITE READ READ READ READ WRITE WRITE WRITE WRITE READ READ READ READ WRITE WRITE WRITE WRITE RAS Refresh RAS Refresh RAS Refresh RAS Refresh RAS Refresh ANY READ ANY WRITE Meaning RAS3 CAS3 active Read RAS3 CAS2 active Read RAS3 CASI active Read RAS3 CASO active Read RAS3 CAS3 active Write RAS3 CAS2 active Write RAS3 CASI active Write RAS3 CASO active Write RAS2 CAS3 active Read RAS2 CAS2 active Read RAS2 CASI active Read RAS2 CASO active Read RAS2 CAS3 active Write RAS2 C
7. IGURING the NEX SIMM72 BUS 9 4 5 Bad R A AS 5 3 2 SOWAT E i t tss a dN cian ae a a 6 EN 6 322 DAS 9200 6 4 0 CONNECTING to the NEX SIMM72 nennen enne 7 MEG Cc PE E EE 7 qe tC A E ls E fa a de 7 4 3 92 96 11450 7 MEWNG Drs POR a RIT QR UM 10 5 1 Viewing State Data on the TLA 700 10 5 2 Viewing Timing Data on the 11 5 3 Viewing State Data with the DAS 500 12 54 Viewing Timing Data with the 12 APPENDIX A How SIMM Data is Cloke d eas 13 APPENDIX B Considerations oter E E E E E ELE LM 14 B SIMM72 Bus e nii e 14 B 2 Pattern Generation 14 APPENDIX 72 EAE Ub RUN 15 APPENDIX D NEX SIMM 72 Silk Screen 16 APPENDIX areis sina qat N 17 APPENDIX eate oe ee 18 TABLE OF FIGURES Figure 1 SIMM72 State Display on 7 0 eene enne enne enne 10 Figure 2 SIMM72 MagniVu Display on TLA700
8. NEXUS TECHNOLOGY NEX SIMM72 Users Manual Including these Software Support packages SIMM72 Copyright 2008 Nexus Technology Inc All rights reserved Contents of this publication may not be reproduced in any form without the written permission of Nexus Technology Inc Brand and product names used throughout this manual are the trademarks of their respective holders SIMM72 MN XXX 1 Doc Rev 1 10 Warranty Terms and License Agreement For warranty terms refer to the Terms and Conditions of Sale document that was included in the product shipment The Software License Agreement is displayed during installation A hardcopy of that agreement may be obtained from Nexus Technology All Nexus Technology products to which this manual refers are subject to the Terms and Conditions of Sale document and the Software License Agreement as appropriate Compliance with WEEE and RoHS Directives This product is subject to European Union regulations on Waste Electrical and Electronics Equipment Return to Nexus Technology for recycle at end of life Costs associated with the return to Nexus Technology are the responsibility of the sender SIMM72 MN XXX N Doc Rev 1 10 TABLE OF CONTENTS L0 OY ER VEE diana eut detras iecit fct iU Edu S MU NBN 4 I Li General ui as E cL LA EE 4 ZU SOFTWARE INSTAL A HOM Ro 5 Oe HOOP NR 5 5 3 0 CONF
9. SIMM72 State Display on TLA700 SIMM72 MN XXX 10 Doc Rev 1 10 5 2 Viewing Timing Data on TLA700 By default the TLA700 will display an acquisition in the Listing State mode However the same data can be displayed in Timing form by adding a Waveform Display window This is done by clicking on the Window pull down selecting New Data Window clicking on Waveform Window Type then choosing the Data Source Two choices are presented SIMM72 and SIMM72 MagniVu The first SIMM72 will show the exact same data same acquisition mode as that shown in the Listing window except in Timing format The second selection SIMM72 MagniVu will show all of the channels in 2GHz MagniVu mode so that edge relationships can be examined at the module s trigger point With either selection all channels can be viewed by scrolling down the window Refer to the TLA700 System User s Manual for additional information on formatting the Waveform display fm TLA 700 SIMM72 Demo elx File Edit View Data System Window Help 8 x 8 S R 2 24 000 s 27 For Help press F1 Setup Data Tektronix Figure 2 SIMM72 MagniVu Display on TLA700 SIMM72 MN XXX 11 Doc Rev 1 10 5 3 Viewing State Data with the DAS TLA500 After an acquisition is made the DAS 9200 TLA510 Logic Analyzer will display the data in State Display mode as a default only RAS A
10. ddress CAS Address HiData and Data information is displayed in hexadecimal format Control data is displayed using symbols the Miscellaneous group defaults to OFF The use of Symbol Tables when displaying state data enables the user to quickly determine what type of bus cycle was acquired One symbol table Table 2 has been provided to show the type of transaction that occurred on the SIMM72 bus and its DAS filename is SIMM72 Ctrl This symbol table quickly shows what kind of memory cycles occurred a Read Write or Refresh It is important to note that changing the group channel or wiring of the Control group can result in incorrect symbol information being displayed 5 4 Viewing Timing Data with the DAS TLA It may be useful to display acquired information using the Timing Diagram display of the DAS TL A Note that unlike some other logic analyzers with the 92A96 there is no need to re acquire SIMM data when changing from one display mode to another The same data can be viewed in either format This method of data display can be particularly useful when an asynchronous acquisition has been made using the 92A96 internal acquisition clock to determine the relationships between signal edges Refer to the appropriate Tektronix DAS 92 96 Module User s Manual for more detailed information on formatting the display of the acquired data SIMM72 MN XXX 12 Doc Rev 1 10 APPENDIX How SIMM Data is Clocked All SIMM data i
11. port 4 3 92A96 TLAS00 Connect the grouped pods 8 podlets to a group to their appropriate locations by following the silk screen information printed on the adapter board Each pod has its proper location denoted above the connectors on the silk screen of the adapter board When attaching the pods follow the silk screen information on the board showing the ground and signal pin locations With the 92496 the colored sides of the pods should face towards the left side of the adapter board Connect the four clock leads CLK3 to their specified locations at J7 the only connector with 4 locations Again follow the silk screened information to properly connect the clock input and its ground Table 1 shows the wiring and Channel Grouping for the 92A96 when used with SIMM72 Support SIMM72 MN XXX 7 Doc Rev 1 10 Group Signal SIMM72 TLA700 92A96 Group Signal SIMM72 TLA700 92A96 Name Name Pin input Name Name Pin input RAS A11 HiData DQ35 RAS A10 HEX DQ34 RAS A9 DQ33 RAS A8 DQ32 RAS A7 Data DQ31 RAS A6 0030 RAS A5 DQ29 RAS A4 0028 RAS A3 i DQ27 RAS A2 DQ26 RAS AI DQ25 RAS AO DQ24 CASAddr CAS AII1 DQ23 HEX CAS A10 0022 5 9 2021 5 8 0020 5 7 2019 5 6 2018 5 5 17 5 4 2016 CAS A3 2015 5 2 DQ14 5 1 2013 5 0 2012 Control DQI11 SYM 2010 209 207 DQ6 DQ5 DQ4 DQ3 Misc RFSHCLK DQ2 RAS_D DQI CAS D DQO PRD4
12. ring of the Control group can result in incorrect symbol information being displayed TLA 700 SIMM72 Demo L 8 Es File Edit View Data System Window Help la x 218 5 EL s uw 821 seel 518 all 71 C1 MN SIMM72 SIMM72 Delta Time 494 887us CASAddr Timestamp gt 46 002 203 F FFFFFFFF RAS ONLY REFRESH 4 200 500 usc 47 055 255 0 00000000 WRITE 62 075 000 48 055 255 0 00000000 READ 1 498 500 us 49 055 255 F FFFFFFFF WRITE 3 701 500 us 50 055 255 FFFFFFFF READ 1 499 000 us 51 2 0 00000000 WRITE 12 503 000 52 2 0 00000000 READ 1 498 500 us 53 FFFFFFFF WRITE 3 702 000 us 22254 0 2A FFFFFFFF READ 1 1 1 498 000 us 55 7 83C1EOFO WRITE 13 103 000 us 56 7 S3C1EOFO READ 1 498 500 us 57 002 203 FFFFFFFF ONLY REFRESH 476 084 500 us 58 002 203 F FFFFFFFF ONLY REFRESH 4 201 000 us 59 002 203 F FFFFFFFF ONLY REFRESH 4 200 000 us 60 002 203 F FFFFFFFF ONLY REFRESH 4 200 500 us 61 002 203 FFFFFFFF ONLY REFRESH 4 200 500 us 62 002 203 F FFFFFFFF RAS ONLY REFRESH 4 200 500 us 63 002 203 FFFFFFFF ONLY REFRESH 4 200 000 us 64 002 203 F FFFFFFFF ONLY REFRESH 4 200 500 4 For Help press F1 Setupl Data Tektronix Figure 1
13. s usually acquired on the falling edge of any RAS signal and both edges of the CAS signals The only exception to this is for RAS Only Refresh cycles when the rising edge of a RAS signal terminates the cycle To properly acquire SIMM bus activity the following signals must be provided all RAS and CAS lines and WE If any RAS and or CAS lines are unused they are assumed to be unconnected or tied to their inactive state to Vcc However 10K pullups are provided on these lines to help ensure that this is done As mentioned before it is important to note that the status of all active CAS lines may not be acquired properly due to the timing margins present in a design Proper acquisition of the CAS Address is not affected This is also true of the RAS lines during a RAS Only Refresh SIMM72 MN XXX 13 Doc Rev 1 10 APPENDIX Considerations 1 SIMM72 Bus Loading It must be noted that the NEX SIMM72 Bus Adapter does not provide any buffering of the SIMM memory signals This was a conscious design decision that was made by balancing the tradeoffs of loading versus design simplicity and signal acquisition accuracy By not introducing signal buffers it is possible using the NEX SIMM72 adapter to see the exact timing relationships and signal waveforms from the system It is also much easier to connect pattern generators to the bus since buffer direction is not a concern It is believed that the signal loading of the TLA700 or 92A96 acquisi
14. sk To load SIMM72 support into the TLA700 first select the desired Logic Analyzer card in the Setup screen select Load Support Package from the File pull down then choose SIMM72 and click on Okay Note that the Logic Analyzer card must be at least 102 channels in width 2 2 DAS9200 The included diskette should be loaded onto the DAS9200 using the Install Application function This function is available from the Disk Services menu of the DAS For more information refer to the Tektronix DAS9200 or TLA500 System User s Manual Load the desired support from within the 92A96 Config menu by choosing SIMM72 Support and pressing lt RETURNS gt The channel grouping clocking and symbols will then be loaded 3 0 CONFIGURING the NEX SIMM72 BUS SUPPORT 3 1 Hardware There are several unused inputs that can be connected to points of interest on the target Inputs A1 2 6 are acquired on the falling edge of any CAS signal and inputs A3 2 and A3 3 are acquired on the falling edge of any RAS signal Feed throughs are provided next to each one of the unused channels to permit wiring other signals of interest for monitoring Care should be taken to support the weight of the acquisition probes so that the adapter board and or target socket are not damaged SIMM72 MN XXX 5 Doc Rev 1 10 3 2 Software The NEX SIMM72 support software is designed to support the current maximum 72 SIMM configuration 12 RAS CAS Address lines 36 bits of Data
15. stechnology com Support Contact Information Technical Support techsupport nexustechnology com General Information support nexustechnology com Quote Requests quotes nexustechnology com We will try to respond within one business day If Problems Are Found Document the problem and e mail the information to us If at all possible please forward a Saved System Setup with acquired data that shows the problem Do not send a text listing alone as that does not contain enough data for analysis To prevent corruption during the mailing process it is strongly suggested that the Setup be zipped before transmission SIMM72 MN XXX 18 Doc Rev 1 10
16. tion cards is low enough so that signal degradation will not occur 2 Pattern Generation Because there is no buffer circuitry on the NEX SIMM72 Adapter it is well suited for use with the 92516 and 92532 Pattern Generator modules available for the DAS 9200 and TLA500 By connecting pattern generator probes to the A96 signal connectors on the Adapter desired bus activity can be simulated This can be particularly effective when trying to debug interrupt or DMA conflicts It should be noted that because of the pin spacing of the A96 connectors it is not recommended that the Tektronix P6464 or P6465 pattern generator probes be used without providing adequate cooling for their podlets These probes use active podlets that can get very warm in use A better choice would be the P6463 pods which are passive and do not have such cooling requirements CAUTION Because of the circuitry on the NEX SIMM72 adapter it is suggested that the Pattern Generators not be connected to the RAS D CAS D and RFSHCLK signals Damage to the on board circuitry could result if this caution is not followed SIMM72 MN XXX 14 Doc Rev 1 10 APPENDIX SIMM72 Pinout Pin 1 2 3 4 5 6 7 8 9 Table 3 SIMM 72 pin Pinout SIMM72 MN XXX 15 Doc Rev 1 10 APPENDIX D NEX SIMM72 Silk Screen N POVER x C3 Al Ded c N oo CLKS RFSHCLK o gt m cLkso n a o cLk2 joo 08
17. wer than 12 RAS CAS Address lines are being used then the extra signals should be removed from the pre defined groups Refer to the DAS TLA Users Manual and 92A96 92C96 acquisition card manuals for information on adding or deleting signals from a group SIMM72 MN XXX 6 Doc Rev 1 10 4 0 CONNECTING to the NEX SIMM72 ADAPTER 4 1 General The NEX SIMM72 adapter is larger than a standard SIMM module and is designed to function both as signal break out board and as an extender card 4 2 TLA700 When using NEX SIMM72 support with a TLA700 containing 7L3 4 or 7M3 4 acquisition module the necessary acquisition data sections are A0 A3 DO D3 and C0 C3 Connect the grouped pods 8 podlets to a group to their appropriate locations by following the silk screen information printed on the adapter board Each pod has its proper location denoted above the connectors on the silk screen of the adapter board When attaching the pods follow the silk screen information on the board showing the ground and signal pin locations When properly connected the sides of the podlets that have writing on them should face towards the left side of the adapter board Connect the four clock leads CLK3 to their specified locations at J7 the only connector with 4 locations Again follow the silk screened information to properly connect the clock input and its ground Table 1 shows the wiring and Channel Grouping for the TLA700 when used with SIMM72 Sup
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