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System and method for controlling bus access for bus agents having varying priorities

  • US 6,629,178 B1
  • Filed: 06/15/2000
  • Issued: 09/30/2003
  • Est. Priority Date: 06/15/2000
  • Status: Active Grant
First Claim
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1. A computer system comprising:

  • a bus;

    an arbitration unit coupled to said bus;

    a plurality of bus agents coupled to said bus, said plurality of bus agents including one or more high-priority bus agents and one or more normal-priority bus agents, and wherein said arbitration unit is configured to cause a termination of mastership of said bus by one of said normal-priority bus agents responsive to receiving a bus access request from one of said high-priority bus agents; and

    a first bus interface unit coupled to said arbitration unit, wherein said arbitration unit is configured to assert a bus disconnect signal responsive to a bus access request from a high-priority bus agent, wherein said bus disconnect signal is received by said bus interface unit.

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