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Transparents du cours - VHDL - MAE - Mémoire - Free

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Conception d’un système programmablePort JtagMotivations pour un StandardBed-of-nails printed circuit board tester goneWe put components on both sides of PCB an replaced DIPs with flatpacks to re<strong>du</strong>ce in<strong>du</strong>ctanceNails would hit componentsRe<strong>du</strong>ced spacing between PCB wiresNails would short the wiresPCB Tester must be replaced with built-in test delivery system – JTAGdoes thatNeed standard System Test Port and BusIntegrate components from different vendorsTest bus identical for various componentsOne chip has test hardware for other chipsBertrand Granado Enseignant-Chercheur (LIP6 / UPMC) Sysprog Hiver 2014 266 / 298

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