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Structured scan patterns retargeting for dynamic instruments access | IEEE Conference Publication | IEEE Xplore

Structured scan patterns retargeting for dynamic instruments access


Abstract:

The IEEE 1687 (iJTAG) standard introduces an efficient access network based on reconfigurable scan, for accessing the increasing number of embedded instruments. Pattern r...Show More

Abstract:

The IEEE 1687 (iJTAG) standard introduces an efficient access network based on reconfigurable scan, for accessing the increasing number of embedded instruments. Pattern retargeting is defined as the process of translating an instrument pattern to several network-level scan vectors. In this paper, an efficient structured methodology is presented for performing dynamic pattern retargeting. Dynamic retargeting is required in case of runtime access of the iJTAG networks, for example in debugging or reliability management. The presented methodology enables faster pattern generation as compared to previous search-based methods which is necessary for runtime access. This methodology could be used in a lightweight iJTAG debugger or in a software-based on-chip iJTAG controller.
Date of Conference: 09-12 April 2017
Date Added to IEEE Xplore: 18 May 2017
ISBN Information:
Electronic ISSN: 2375-1053
Conference Location: Las Vegas, NV, USA

References

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