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Communications system to boundary-scan logic interface

  • US 5,400,345 A
  • Filed: 03/06/1992
  • Issued: 03/21/1995
  • Est. Priority Date: 03/06/1992
  • Status: Expired due to Term
First Claim
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1. A control node responsive to signals transmitted on a communications bus, said control node comprising;

  • a) boundary-scan test logic for testing the operability of said node;

    b) first means responsive to a first class of messages comprising said signals for controlling a predetermined function; and

    c) second means responsive to a second class of messages comprising said signals for exercising said boundary-scan logic to test said node.

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