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ScanTAP Relay User`s Manual Revision B

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1. O from the Setup menu as shown in Figure 2 4 Setup Test Plan F2 User Settings F3 Controller F4 Parallel YO F5 Figure 2 4 ScanPlus Runner Setup Menu Check the box labeled Set Initial Hex Value to and enter hex value 0xF FFD into the text field Configure the rest of the settings as shown in Figure 2 5 Please note that it is necessary to wait a short amount of time 10 ms once the GPIO2 signal has been set for the relays to activate Configuration El Test Plan Generation User Settings Controller Configuration Parallel Outputs m Parallel Outputs v Set Initial Hex Value to FFFD Then Wait ms IfFailed Set Hex Value to FFFF Then Wait ms v Passed SetHexValueto FFFF ThenWaitim 0 Upon Exit Set Hex Value to FFFF Then Wait ms Tri state Outputs Upon Exit mon Figure 2 5 Parallel Output Configuration Dialog ScanTAP Relay LED The green LED on the top cover of the Scan Relay will illuminate when the relays are enabled Note that the power to the Scan TAP Relay is provided from the host adapter PCI 1149 1 Turbo NetUSB 1149 1 etc via a current limiting fuse on the host adapter ScanTAP Relay Installation and Usage 2 5
2. in Figure 2 2 below TRST 1 X amp 2 GND TDI 4 GND TDO 5 6 GND ms GND TK 9 X Dd 10 GND Write Strobe GPIO1 11 x X 12 GND Relay Enable GPIO2 13 X X 14 GND Ready Busy GPIO3 15 x X 16 GND UUT Power Test Point 17 x YX 18 GND 2 5V Power Supply 19 x X 20 GND Figure 2 2 20 Pin TAP Host Connector top view Connecting to the Target The ScanTAP Relay connects to the target via 10 pin 16 pin or 20 pin flat cables P N 15310 15311 or 15312 The top view of the 20 pin target connector 0 100 x 0 100 spacing is shown in Figure 2 3 below TRST 1 2 TDI 31 GND TDO 5 X 6 GND TMS 7 X X 8 GND TCK 9 X 10 GND Write_Strobe GPIO1 11 NX 12 GND N C 13 X 14 GND Ready Busy GPIO3 15 x X 16 GND UUT Power Test Point 17 x X 18 GND NC 19 X amp 20 GND Figure 2 3 20 Pin TAP Target Connector top view ScanTAP Relay Installation and Usage 2 3 The connector pin descriptions are shown in Table 2 1 The first 5 signals pins 1 through 9 are the standard IEEE 1149 1 signals Corelis Flash Programming software supports two additional signals the external write strobe signal Write_Strobe and the external Ready Busy signal The Write_Strobe signal is active low and should be pulled up with a 1K resistor on the target board It needs to be logically OR ed with the flash
3. powerful and cost effective solution that virtually eliminates each of the obstacles that are presented to the individual test technologies By utilizing the benefits of both boundaty scan and the ICT complete test procedures can be created in a minimal time frame that provide outstanding test coverage of the entire printed circuit board assembly Before power is applied to the target by the ICT during testing it runs several diagnostic checks To prevent ground loops from disturbing unpowered testing the boundary scan TAP signals are connected through the ScanTAP Relay module The ScanTAP Relay utilizes electro mechanical relays to physically disconnect and isolate the TAP and ground signals so they do not interfere with the ICT power off UUT tests The ScanTAP Relay module is shown in Figure 1 1 USED ScanTAP Relay Figure 1 1 ScanTAP Relay Product Overview 1 1 ScanTAP Relay Specifications Controller Interface Host Connector Host Cable Length TAP Interface TAP Connector Mating TAP Connector TAP Cable Length Physical Enclosure Dimensions Power Requirements No external supply is needed Operating Environment Temperature Relative Humidity Storage Environment Temperature 20 pin header AMP part no 104130 4 or equivalent 20 pin to 20 pin 12 Corelis P N 15312 2 standard 20 pin to 20 pin 8 Corelis P N 15312 1 optional 20 pin header AMP part no 104130 4 or equival
4. CORELIS ScanTAP Relay ScanTAP Relay TAP Signals Isolation Pod User s Manual CORELIS Scan TAP Relay Scan TAP Relay TAP Signals Isolation Pod User s Manual Document Part Number 70359 Revision B Copyright 2004 Corelis Inc 13100 Alondra Blvd Suite 102 Cerritos 90703 2262 Telephone 562 926 6727 Fax 562 404 6196 Preface PRINTING HISTORY New editions are complete revisions of the manual Update packages which are issued between editions contain additional replacement pages to merged into the manual the customer The dates on the title page change only when a new edition is published A software code may be printed before the date this indicates the version of the software product at the time the manual or update was issued Many product updates and fixes do not require manual changes and conversely manual corrections may be done without accompanying product changes Therefore do not expect a one to one correspondence between product updates and manual updates Revision A April 2004 Revision B February 2011 GENERAL NOTICE Information contained in this document is subject to change without notice CORELIS shall not be liable for errors contained herein for incidental or consequential damages in connection with the furnishing performance or use of material contained in this manual This document contains proprietary information which is protected by copyright All rights res
5. Write Enable WEH signal so that assertion of either the flash Write Enable WE signal or the external write strobe will assert the flash WE input The Ready Busy signal is an open collector open drain signal which is directly tied to the same signal s on the Flash device s The signal Vcc1 pin 17 is used to test a power supply rail of the UUT for shorts between power and ground Pin Host Signal Target Signal Direction 1 TRST TRST Input to the UUT 2 GND GND 3 TDI TDI Input to the UUT 4 GND GND 5 TDO TDO Output of the UUT 6 GND GND 7 TMS TMS Input to the UUT 8 GND GND 9 TER TCK Input to the UUT 10 GND GND 11 Write Strobe GPIO1 Write Strobe GPIO1 Input to the UUT 12 GND GND 13 Relay Enable GPIO2 N C Active high enables the ScanTAP Relay 14 GND GND 15 Ready Busy Ready Busy GPIO3 Output of the UUT 16 GND GND 17 VCC1 1 UUT Power Test Point 18 GND GND 19 25 N C Power Supplied to ScanTAP Relay 20 GND GND Table 2 1 20 Pin Connector Pinout 2 4 ScanTAP Relay Installation and Usage The internal relays are disabled TAP and ground signals are disconnected when GPIO2 bit 1 is 1 The relays are enabled TAP and ground signals are connected when GPIO2 bit 1 is 0 To setup the parallel 1 go to the ScanPlus Runner or ScanExpress Runner main window Select Parallel I
6. ent 20 pin IDC flat cable 3M part no 3421 6620 or equivalent 20 pin to 20 pin 8 Corelis P N 15312 1 optional 20 pin to 20 pin 127 Corelis P N 15312 2 standard 20 pin to 10 pin 8 Corelis P N 15310 1 optional 20 pin to 10 pin 127 Corelis P N 15310 2 optional 20 pin to 16 pin 8 Corelis P N 15311 1 optional 20 pin to 16 pin 127 Corelis P N 15311 2 optional 4 0 in X 2 0 in X 0 80 in Power is provided by the host controller draws 25mA maximum at 2 5V 0 C to 55 C 10 to 90 non condensing 40 C to 85 C 1 2 Product Overview Chapter 2 ScanTAP Relay Installation and Usage When you receive the ScanTAP Relay product it should contain the following items e ScanTAP Relay Module e Host Cable 20 pin to 20 pin Cable 12 inch Corelis P N 15312 2 Cable 20 pin to 10 pin Cable 12 inch Corelis P N 15310 2 Please ensure that all materials listed are present and free from visible damage or defects before proceeding If anything appears to be missing or damaged contact Corelis at the number listed on the title page immediately NOTE The actual hardware shipped with ScanTAP Relay may vary depending on the customer order When this manual was published the following optional target interface TAP cables were available from Corelis 20 pin to 10 pin TAP cable 8 Corelis P N 15310 1 20 pin to 10 pin TAP cable 127 Corelis P N 15310 2 20 pin to 16 p
7. erved No part of this document may be reproduced or translated to other languages without the prior written consent of CORELIS CORELIS assumes no responsibility for the use of or reliability of its software on equipment that is not furnished by CORELIS PRODUCT For product warranty and software maintenance information see the PRODUCT WARRANTY AND SOFTWARE MAINTENANCE POLICY statement included with your product shipment EXCLUSIVE REMEDIES THE REMEDIES CONTAINED HEREIN ARE THE CUSTOMER S SOLE AND EXCLUSIVE REMEDIES CORELIS SHALL NOT BE LIABLE FOR ANY DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES WHETHER BASED ON TORT OR ANY OTHER LEGAL THEORY Product maintenance agreements and other customer assistance agreements are available for Corelis products For assistance contact your nearest Corelis Sales and Service Office RETURN POLICY No items returned to CORELIS for warranty service or any other reason shall be accepted unless first authorized CORELIS either direct or through its authorized sales representatives All returned items must be shipped pre paid and clearly display a Returned Merchandise Authorization RMA number on the shipping carton Freight collect items will NOT be accepted Customers or authorized sales representatives must first contact CORELIS with notice of request for return of merchandise RMA s can only originate from CORELIS If authorization is g
8. in TAP cable 8 Corelis P N 15311 1 20 pin to 16 pin TAP cable 127 Corelis P N 15311 2 20 pin to 20 pin TAP cable 8 Corelis P N 15312 1 20 pin to 20 pin TAP cable 127 Corelis P N 15312 2 ScanTAP Relay Installation and Usage 2 1 The Corelis ScanT AP Relay module connects to the ScanTAP family of intelligent pods ScanTAP 4 ScanTAP 8 ScanTAP 32 through a 20 pin flat ribbon cable No external power supply is required the ScanTAP pod supplies it The connections between the components in a typical boundary scan system are shown below in Figure 2 1 ScanTAP 4 or ScanTAP 8 or ScanTAP 32 Cable P N 15339 TAP 1 TAP 2 Host Computer Cable Cable DIN 15312 DIN 15312 HOST HOST ScanTAP ScanTAP Relay Relay TAP Cable P N 15310 Cable P N 15310 Figure 2 1 ScanTAP Relay Connection Diagram 2 Units shown There ate two 20 pin connectors on the ScanTAP Relay The connector marked Host connects to the boundary scan controller Scan pod and the connector marked TAP connects to the target UUT 2 2 ScanTAP Relay Installation and Usage Connecting to the Host Controller The Corelis ScanTAP Relay module connects to the Scan family of intelligent pods Scan TAP 4 ScanTAP 8 Scan TAP 32 through a 20 pin flat ribbon cable The top view of the 20 pin host connector 0 100 x 0 100 spacing is shown
9. og 2 5 List Tables Table 2 1 20 Pin Connector Pinout Chapter 1 Product Overview Introduction The Scan TAP Relay pod is an add on accessory that contains electro mechanical relays for engaging and dis engaging boundary scan Test Access Port The ScanTAP Relay pod is operated under host software control and provides electrical isolation of all the TAP signals including Ground It is compatible with the various Corelis ScanTAP intelligent modules and is mostly used when integrating the Corelis boundary scan test tools with in circuit testers such as the Agilent 3070 By coupling the power of the ScanPlus boundary scan tools with that of an in circuit tester ICT such as the Agilent 3070 or the Teradyne Test Station a complete integrated solution is now available that offers the best advantages of both technologies Boundary scan JTAG operates as the complementary companion to the ICT Boundary scan is the preferred solution for testing areas of printed circuit board assemblies that are difficult to access due to physical space constraints and lack of physical access which is often due to fine pitch components such as Ball Grid Array BGA devices Additionally the ICT is able to check the non boundaty scan compatible portion of the unit under test UUT such as analog circuitry Integrating the Corelis ScanPlus boundaty scan tools with the Agilent and or the Teradyne ICT into a single test system forms a
10. ranted an RMA number will be forwarded to the customer either directly or through its authorized sales representative CONTACT INFORMATION For sales inquiries please contact sales corelis com For any support related questions please enter a support request at www corelis com support or email support corelis com For more information about other products and services that Corelis offers please visit www corelis com Table Contents CHAPTER 1 PRODUCT OVERVIEW cernere ns 1 1 jUnn 1 1 Scan ERWISEN EE 1 2 CHAPTER 2 SCANTAP RELAY INSTALLATION AND USAGE 2 1 Connecting to the Host Controller 4 reete eere eee teet tn sten tn ewan ek awanane nenga 2 3 Connecting to the Target sersusssssossssonsnssnssnssnssonsnennnsossnnsnnsnnsnnsnnnnnsnnssnnsonsnnssnsnnsnnsnnnsnssnnssnsnnssnssnnsnssnnsnsssnsnnssnnsen 2 3 Scan PAP Relay LED eer CT 2 5 List Figures Figure 1 1 Figure 2 1 Figure 2 2 Figure 2 3 Figure 2 4 Figure 2 3 SCanTAP Relay oie Age naas DR EP I OM Een 1 1 ScanTAP Relay Connection Diagram 2 Units sboum canon nono nono n nenen eene 2 2 20 Pin TAP Host Connector 2 3 20 TAP Target Connector top view 2 3 ScanPlus Runner Setup Meng ege Rete ater bee ee bre piti En 2 5 Parallel Output Configuration Dial

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