{"product_id":"the-core-test-wrapper-handbook-rationale-and-application-of-ieee-std-1500tm-von-teresa-mclaurin-tom-waayers-francisco-da-silva","title":"The Core Test Wrapper Handbook","description":"In the early to mid-1990's while working at what was then Motorola Se- conductor, business changes forced my multi-hundred dollar microprocessor to become a tens-of-dollars embedded core. I ran into first hand the problem of trying to deliver what used to be a whole chip with something on the order of over 400 interconnect signals to a design team that was going to stuff it into a package with less than 220 signal pins and surround it with other logic. I also ran into the problem of delivering microprocessor specification verifi- tion – a microprocessor is not just about the functions and instructions included with the instruction set, but also the MIPs rating at some given f- quency. I faced two dilemmas: one, I could not deliver functional vectors without significant development of off-core logic to deal with the reduced chip I\/O map (and everybody's I\/O map was going to be a little different); and two, the JTAG (1149. 1) boundary scan ring that was around my core when it was a chip was going to be woefully inadequate since it did not support - speed signal application and capture and independent use separate from my core. I considered the problem at length and came up with my own solution that was predominantly a separate non-JTAG scan test wrapper that supported at-speed application of launch-capture cycles using the system clock. But my problems weren't over at that point either.\u003cdiv class=\"aw-variant-hidden-subtitle-div\" id=\"aw-variant-subtitle-9781489987693\"\u003e\u003ch3\u003eRationale and Application of IEEE Std. 1500™\u003c\/h3\u003e\u003c\/div\u003e","brand":"Libri","offers":[{"title":"Softcover - 9781489987693","offer_id":39415086809181,"sku":"9781489987693","price":117.69,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0622\/files\/a2c6657f-170a-474e-8c9c-800e8a2e31e5.jpg?v=1782273929","url":"https:\/\/shop.autorenwelt.de\/en\/products\/the-core-test-wrapper-handbook-rationale-and-application-of-ieee-std-1500tm-von-teresa-mclaurin-tom-waayers-francisco-da-silva","provider":"Autorenwelt Shop","version":"1.0","type":"link"}