Synthesis-for-testability of controller-datapath pairs that use gated clocks

  • Authors:
  • Mehrdad Nourani;Joan Carletta;Christos Papachristou

  • Affiliations:
  • Dept. of EE, The Univ. of Texas at Dallas, Richardson, TX;Dept. of EE, The Univ. of Akron, Akron, OH;Dept. of EECS, Case Western Reserve Univ., Cleveland, OH

  • Venue:
  • Proceedings of the 37th Annual Design Automation Conference
  • Year:
  • 2000

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Abstract

A method for high level synthesis-for-testability of controller-datapath pairs that use gated clocks is developed. It uses a register allocation technique that improves the observability of the controller through the datapath, and takes advantage of the unique testability properties of one-hot-encoded controllers. The resulting controller can be fully tested without isolating it from the system. Area, fault coverage, and power consumption are reported for three example circuits.