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Corelis Boundary-Scan Blog

This site features posts from the Corelis Support and Engineering team for the purpose of helping to educate other engineers and students alike about Boundary-Scan technology, testing, and maximizing productivity.

Test Coverage Q & A

IntroductionOur applications engineers recently had an interesting discussion with a client about interpreting test coverage report data. It's not always clear what test coverage is available to a net, nor is it easy to determine the full extent of test…

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JTAG Boundary-scan Test Coverage Q and A

IntroductionOur applications engineers recently had an interesting discussion with a client about interpreting test coverage report data. It's not always clear what test coverage is available to a net, nor is it easy to determine the full extent of test…

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IEEE-1149.x Related Standards

Earlier this year we discussed some of the 1149.x standards currently available. The newest member of the 1149.x family, the IEEE standard 1149.8.1 (also called "Selective Toggle" or "Atoggle") was approved and published earlier…

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ScanExpress on a Mac

At our monthly free training this week, we saw something unusual--a Mac! While most of our customers tend to stick with PCs running Microsoft Windows, one of our users came in with a Macbook Pro and--to our delight--had ScanExpress software running flawl…

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Using Freescale TAPs for Early Boundary Scan Testing – VIDEO

Corelis has integrated Freescale TAP probes into their boundary scan software. By doing this, you can utilize pre-written tests for specific Freescale development boards to check out your hardware, debug issues, and as a starting point for your own custo…

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Freescale TAP run controller can execute boundary-scan tests with Corelis Runner-Lite

Tom Thompson at Freescale recently wrote about our new Runner-Lite for QorIQ release. Our relationship with Freescale enabled us to quickly integrate support for Freescale probes into Runner-Lite, enabled test access with the same Codewarrior TAP probe u…

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Using Corelis JTAG Hardware Modules for Teradyne Systems

IntroductionThe QuadTAP/CFM and QuadTAP/CFM Expander cards were introduced last month as a convenient method to integrate Corelis JTAG hardware in Teradyne ICTs. We’ll go over the basics of using the main card and expanders for some common scenarios. For…

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Remote Diagnostics Display – ScanExpress Runner

IntroductionCorelis ScanExpress Runner software includes a hidden remote diagnostic display feature that allows the user to view the results of a previous test failure. This feature is most useful when you need to view test diagnostics but either do not…

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Blind and Buried Vias

IntroductionWe often talk about system, circuit, and PCB complexities driving the transition toward boundary-scan, but what do these refer to? We often list the hurdles: BGAs, blind & buried vias, stacked dies, complex components on both sides of the…

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Package-on-Package (PoP) handling with ScanExpress Boundary-scan Tools

IntroductionPackage-on-package (PoP), a method to stack discrete packages vertically, has over the last few years gained significant popularity with applications processors such as Texas Instruments OMAP and DaVinci DM37x series SOCs. As with many space-…

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Corelis Boundary-Scan Blog