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DMA TRANSFER DEVICE

  • US 20100306421A1
  • Filed: 08/09/2010
  • Published: 12/02/2010
  • Est. Priority Date: 03/03/2008
  • Status: Abandoned Application
First Claim
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1. A DMA transfer device comprising:

  • a direct memory access controller (DMAC);

    a master configured to control the DMAC;

    at least one resource configured to be accessed in direct memory access (DMA) transfer;

    a source address setting detector configured to acquire a DMA source address from a transfer start address setting for a DMA source area of register settings for the DMAC which are made by the master in order to start DMA transfer; and

    a read-ahead processor configured to issue a read request to the DMA source address in the resource detected by the source address setting detector.

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