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Graphics display system with unified memory architecture

  • US 6,721,837 B2
  • Filed: 12/17/2002
  • Issued: 04/13/2004
  • Est. Priority Date: 11/09/1998
  • Status: Expired due to Term
First Claim
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1. A method of arbitrating memory requests to access a memory from a plurality of different devices having different priorities, the memory being shared by the devices, the method comprising:

  • receiving a memory request from at least one device;

    serving the memory request by allowing an access to the memory by the at least one device; and

    enforcing a predetermined minimum interval between the access and a subsequent access to the memory by the at least one device, thereby precluding the at least one device from accessing the memory at its priority when another memory request is received from the at least one device during the predetermined minimum interval.

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