Native mode functional test generation for processors with applications to self test and design validation

  • Authors:
  • Jian Shen;Jacob A. Abraham

  • Affiliations:
  • -;-

  • Venue:
  • ITC '98 Proceedings of the 1998 IEEE International Test Conference
  • Year:
  • 1998

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Abstract

New methodologies based on functional testing andbuilt-in self-test can narrow the gap betw een necessarysolutions and existing techniques for processor validation and testing. We present a versatile automatic functional test generation methodology for microprocessors.The generated assembly instruction sequences can beapplied to both design validation and manufacturingtest, especially in high speed "native" mode. All thefunctional capabilities of complex processors can be exercised, leading to high quality validation sequences andmanufacturing tests with high fault coverage. The testscan also be applied in a built-in self-test fashion. Experimental results on two microprocessors show that thismethod is very effective in generating high quality manufacturing tests as well as in functional design validation.