JTAG Tutorial - Corelis

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jtag Tutorial The standard, also known as jtag or boundary-scan, has for many years provided an access method for testing printed circuit board assemblies, in-system-programming, and more. But what is jtag , and how can it be used to benefit organizations in diverse industries across all phases of the product life cycle? What is jtag ? ........................................ ........................................ .............. 2 jtag Test Overview ........................................ ........................................ .... 5 jtag Technical 8 jtag Applications ........................................ ........................................ .... 11 Corelis , Inc. 13100 Alondra Blvd. Cerritos, CA 90703-2146 (562) 926-6727 Corelis , Inc.

Introduction Since its introduction as an industry standard in 1990, JTAG has continuously grown in adoption, popularity, and usefulness—even today, new revisions and supplements to the IEEE-1149.1 standard are being developed and implemented. This document is a brief introduction to the

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