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Direct memory access unit having a definable plurality of transfer channels

  • US 5,944,800 A
  • Filed: 09/12/1997
  • Issued: 08/31/1999
  • Est. Priority Date: 09/12/1997
  • Status: Expired due to Term
First Claim
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1. Direct memory access unit having a definable plurality of transfer channels comprising:

  • a data processing unit having a bus interface unit being coupled with a bus for transferring data, said data processing unit executing a data transfer on said bus dependent on programmable parameters; and

    a parameter memory storing said parameters for each transfer channel, whereby said parameter memory provides a first memory area storing for each defined transfer channel data comprising a vector address to a second memory area comprising specific parameters for said transfer channel and a transfer instruction defining the number of parameters stored in said second memory area.

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