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  • Frequently Asked Questions - The technology | JTAG Technologies
    error free How many chains can I use on my board There is no limit to the number of chains that the JTAG Technologies software can handle and there is no loss in test coverage if you decide to have multiple chains In many cases partitioning your board into more than one chain will give you greater design flexibility and may improve the performance of your boundary scan operations Therefore we strongly recommend that you consider using more than one chain on your board For more detail refer to our DFT booklets one for board level design and the other for system level design How can I determine if a device is boundary scan compliant Read the BSDL file published by the IC manufacturer If it is compliant it should say so in the notes Also check the BSDL for special compliance requirements In some cases it may be necessary to hold specified pins at defined voltage levels for the part to perform boundary scan operations If in doubt please contact JTAG Technologies for advice How many scan devices do I need on my board for an effective test In many cases only a fraction of the ICs on a board need to contain boundary scan in order to test a significant number of nets Many boundary scan devices tend to be complex ICs FPGAs PLDs microprocessors ASICs etc with a large number of I Os and therefore are capable of providing direct access to a large number of nets Also through the use of DIOS modules you can greatly increase the test coverage JTAG ProVision s fault coverage feature will tell you the attainable testability and your actual coverage How much extra real estate on my board is required for boundary scan Very little Boundary scan helps eliminate or

    Original URL path: http://www.jtag.co.uk/en/faq-page/111 (2016-04-25)
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  • Frequently Asked Questions - Service and support | JTAG Technologies
    to use the JTAG Technologies tools We offer training courses to match your needs Learning to use the primary development tools JTAG ProVision and JTAG Visualizer requires one to two days assuming familiarity with PCs and the principles of board testing Training for use of the production tools such as PSA the stand alone run time tool requires half a day including the use of the diagnostic software More about training What are the benefits of software maintenance All customers on maintenance receive free software updates For example JTAG ProVision is available free of charge to all users with valid maintenance contracts and existing licenses to the earlier development tools In addition to receiving free updates maintenance subscribers have access to restricted areas on our website Contact us for more information on software maintenance After sale support is very important to my company How do I get service from JTAG Technologies We have factory trained field engineers located around the world 9 in North America alone and are readily available via email and phone Normally you would have one FAE assigned to you based on proximity This FAE is backed up by the entire support team Refer to our Service

    Original URL path: http://www.jtag.co.uk/en/faq-page/112 (2016-04-25)
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  • Frequently Asked Questions - JTAG ProVision | JTAG Technologies
    differential and any combination thereof Furthermore ProVision s provides complete diagnostics in English for dot6 failures What kind of flash devices can be programmed with your tools JTAG ProVision supports a huge variety of NOR and NAND flash devices from virtually all of the major manufacturers The software includes a library consisting of models for thousands of devices and we continually update the library as new devices come to market We also support many devices with embedded flash from vendors such as Texas Instruments ST Micro and Freescale Semiconductor What EDA systems are compatible with ProVision Virtually all commercial EDA systems produce netlists that can be imported into JTAG ProVision If a particular netlist is not supported please contact JTAG Technologies so support may be added How can I override net settings made by ProVision JTAG ProVision allows you to change settings using Net Explorer The graphical tooltip shows you instantly the details for any net or node What kind of connector should we implement for the TAP There is no standard for the TAP connector However we recommend that you use a consistent approach in all of your designs with sufficient conductors to meet your needs We suggest 3 different size headers 10 pins 14 and 20 depending on your application Refer to the DFT booklet for details How are models created JTAG ProVision includes a large number of models for non scan devices when the software is shipped by JTAG Technologies Additional models can be created using ProVision s model editor or by requesting a model from JTAG Technologies Also IBIS models Input Output Buffer Information Specification can be easily imported into ProVision How can tests that were developed on the Classic tools be updated using JTAG ProVision JTAG ProVision beginning with CD10 includes the ability to import

    Original URL path: http://www.jtag.co.uk/en/faq-page/113 (2016-04-25)
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  • Frequently Asked Questions - JTAG Visualizer | JTAG Technologies
    principal uses of Visualizer During board design and test development the engineers can use Visualizer to see their progress in achieving testability of their design The software will show them on the schematic which portions of the board can be tested with boundary scan and which portions cannot Then they can take proactive steps to correct the shortcomings prior to even laying out the board for the first time So Visualizer can be a big time saver and a big money saver by avoiding unnecessary layout cycles The second major use of Visualizer is in repair after a boundary scan test has detected a failure on a board Visualizer helps speed the repair process and makes a significant reduction in the quantity of paper by showing the troubleshooter on the schematic and layout where the point of failure is What EDA systems are compatible with Visualizer For schematic viewing with JTAG Visualizer we have extractors for Cadence Orcad Mentor all platforms and Zuken CR 5000 We have layout extractors for Cadence Allegro Mentor all platforms Zuken CR 5000 and Cadif format Altium P CAD DDE Supermax ECAD and Intercept Pantheon Additional extractors are planned Question categories The technology Service and

    Original URL path: http://www.jtag.co.uk/en/faq-page/114 (2016-04-25)
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  • Frequently Asked Questions - Licensing | JTAG Technologies
    to control your software license or assign your license to the MAC ID of the computer on which the software will be used The hardware key is available as a USB or parallel port device Are your software licenses permanent Our standard software licenses are permanent However if you wish to use our software for a limited period of time simply get in touch and we can always make you

    Original URL path: http://www.jtag.co.uk/en/faq-page/115 (2016-04-25)
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  • Frequently Asked Questions - Production | JTAG Technologies
    for National Instruments LabVIEW LabWindows and TestStand as well as software for integration with Visual Basic and DLL C C based programs Our board production is handled by a contract manufacturer How should we prepare boundary scan tests Either party you or your CM can prepare the tests using JTAG ProVision If you do this work you will provide the manufacturer with the tests that you prepare If you want the CM to do the test preparation then you will provide your BSDLs and netlists to the CM for use with ProVision We want to do our own board production and testing What products do we need At a minimum you would need one of the production software packages PSA for a stand alone boundary scan station one of the Production Integration Packages PIP for adding boundary scan to an existing test platform or one of the Symphony systems if you would like to integrate boundary scan in an in circuit tester or a flying probe system If you go with PSA or PIP you would also need a boundary scan controller The type of controller would depend on how you would like to connect it to your test system

    Original URL path: http://www.jtag.co.uk/en/faq-page/116 (2016-04-25)
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  • Frequently Asked Questions - Hardware | JTAG Technologies
    new account Request new password Frequently Asked Questions Hardware How reliable is your hardware Field returns of our controllers have been extremely low There are over 6 500 installed some of them in operation for more than 20 years and fewer than 1 have been returned for repair What is the range of your controllers the distance between the test system and the target The range between the QuadPOD and the target depends on the test clock TCK rate and certain characteristics of the board under test At a TCK of 10 MHz the allowable distance is approximately 8 meters of flat cable At 1 MHz the range is 100 meters For most applications including running system tests inside an environmental chamber the distance is not a limiting factor We also have range extenders if there is a need for an unusually long distance to the board under test We also offer a product that allows virtually unlimited distance to the target TapCommunicator This system uses an existing network such as your corporate intranet to provide secure ultra long distance connectivity Question categories The technology Service and support JTAG ProVision JTAG Visualizer Licensing Production Hardware Repair station Use JTAG products

    Original URL path: http://www.jtag.co.uk/en/faq-page/117 (2016-04-25)
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  • Frequently Asked Questions - Repair station | JTAG Technologies
    would be BSD the diagnostic software You would run BSD to analyze the fault report that had been previously generated when the board was tested At run time the board can be assigned a serial number to match it with the corresponding fault report You might also want to incorporate JTAG Visualizer at your repair station using Visualizer s graphical display of the schematic and layout to simplify finding and

    Original URL path: http://www.jtag.co.uk/en/faq-page/118 (2016-04-25)
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