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An educational software program for DOS, JTAG Scan Educator, introduces the fundamentals of the IEEE 1149.1 boundary-scan standard, including architecture protocol, and required instruction sets. Self-paced and menu-driven, it contains both information and animated boundary-scan test simulations. Hands-on pratice exercises guide you through bounday-scan tests of some octals at the Test Access Port (TAP) and at the register level. You also are shown how to use IEEE 1149.1 with single or multiple devices for in-circuit observability and controllability and for interconnect testing. Simply download the zipped file and extract the files to your folder of choice. Run the Scanism.exe program.

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