The Transactions of the Korean Institute of Electrical Engineers D (대한전기학회논문지:시스템및제어부문D)

The Korean Institute of Electrical Engineers (대한전기학회)
권호 표지

On-line Bus Monitoring of a System Using Bondary-Scan

경계스캔 구조를 사용한 시스템의 온라인 버스 모니터링

  • 송동섭 (연세대 공대 전기전자공학과) ;
  • 배상민 (연세대 공대 전기전자공학과) ;
  • 강성호 (연세대 공대 전기전자공학과) ;
  • 박영호 (한국전자통신연구원)
  • Published : 2000.12.01
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Abstract

When a system is composed of multi-boards, an efficient bus arbitration method for the data transfer bus must be provided for guaranteeing proper operations. In this paper, a new test methodology is developed which is used for testing on-line bus arbitration. In the new test methodology, events that are occurred during bus arbitration are defined, and expected signals during fault-free bus arbitration are compared with the signals captured during on-line bus arbitration using boundary-scan cells. For this, a new test architecture is proposed which is efficient for the maintenance and the repair of multi-board systems. In addition, the new methodology can be used with off-line interconnect test using boundary-scan.

Keywords

References

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