New eBook explains IEEE 1687 IJTAG standard’s IP re-use and portability, on-chip network and other innovations

Managing power domains, instrument concurrence, scalable scan paths discussed

May 6, 2015 -- The IEEE 1687 Internal JTAG (IJTAG) standard enhances the portability and re-use of embedded instrument intellectual property (IP) and defines a dynamically scalable on-chip network for instrumentation IP. A new eBook published by ASSET® InterTech (, a leading supplier of software and hardware debug, validation and test tools, explains these innovations and others such as managing power domains with IJTAG, enabling instrument concurrence and retargeting test vectors.

“The IJTAG standard makes it easier for engineers to characterize chips, as well as validate and test circuit boards because it standardizes the method for accessing and operating on-chip instruments,” said Al Crouch, vice chairman of the IJTAG working group and one of ASSET’s chief technologist. “In doing so, IJTAG enables a lot of other features that are very valuable to the industry, including the portability and re-use of instrument IP from one chip design to the next and a dynamically scalable on-chip network for all of the IJTAG instrument IP. A detailed explanation of these and other IJTAG innovations hasn’t been available until now with this new eBook.”

The new eBook is titled “IEEE 1687 IJTAG | The Future of Embedded Instruments.” It is available free as a download from the eResources center on the ASSET website at:

Other informative eBooks, white papers and videos on issues relating to chip, board and system debug, validation and test also can be downloaded from:

About ASSET InterTech

ASSET InterTech ( is a leading supplier of tools to debug, validate and test software and hardware. The company’s SourcePoint™ software debug and trace platform and ScanWorks® platform for embedded instruments work in tandem to give engineers real insight from code to silicon. SourcePoint is a best-in-class, powerful debugger that includes advanced trace tools to gather data from code and quickly debug complex embedded software systems. ScanWorks controls instruments embedded in chips to test and validate chips and circuit boards. Together they empower engineers with tools and technology for the entire life-cycle of a system, beginning with software and hardware development, on to design validation, through software/hardware integration, and eventually testing the product in manufacturing and field service. ASSET InterTech is located at 2201 North Central Expressway, Suite 105, Richardson, TX 75080.


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