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Method and apparatus for arbitration on a data bus

  • US 8,473,660 B2
  • Filed: 03/19/2012
  • Issued: 06/25/2013
  • Est. Priority Date: 11/05/1999
  • Status: Expired due to Fees
First Claim
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1. A method for requesting bus arbitration in a network comprising a bus, a master node, and one or more non-master nodes, a bus cycle comprising an isochronous phase and an asynchronous phase, said method comprising:

  • determining whether a non-master node of the one or more non-master nodes wants to arbitrate in the isochronous phase;

    when the non-master node wants to arbitrate in the isochronous phase, issuing an isochronous request to arbitrate, the isochronous phase comprising a period of time where isochronous requests are serviced before asynchronous requests; and

    when the non-master node does not want to arbitrate in the isochronous phase, issue an isochronous non-arbitration request.

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