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Tutorial IEEE 1687 IJTAG | Embedded Instruments ICL PDL

Written by the vice-chairman of the IEEE committee that developed it, this tutorial on the IEEE 1687 IJTAG embedded instrumentation standard includes information on IJTAG’s Instrument Connectivity Language, ICL, and Procedure Description language, PDL. The Internal JTAG or IJTAG standard specifies an efficient management methodology for instruments embedded in a semiconductor. It enables instrument portability and re-use from one chip design to another.

As embedded instruments have become essential for many chip, board and system test and debug functions, IJTAG has emerged as one of the most interesting and innovative new technologies.