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Video and graphics system with MPEG specific data transfer commands

  • US 7,256,790 B2
  • Filed: 09/19/2003
  • Issued: 08/14/2007
  • Est. Priority Date: 11/09/1998
  • Status: Expired due to Term
First Claim
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1. A method of accessing a memory having one or more banks, each bank having one or more rows, for processing MPEG video data, said method comprising:

  • requesting a memory controller to transfer the MPEG video data used for processing;

    determining in the memory controller which of said rows for which of said banks are to be prepared with a row address select (RAS) operation, so as to efficiently transfer the MPEG video data; and

    tailoring in the memory controller a sequence of transferring the MPEG video data to improve transfer efficiency.

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