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Tape controller with data compression and error correction sharing a common buffer

  • US 5,159,336 A
  • Filed: 08/13/1991
  • Issued: 10/27/1992
  • Est. Priority Date: 08/13/1991
  • Status: Expired due to Fees
First Claim
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1. A controller for connection between a host computer and a peripheral device for said computer comprising:

  • an error correcting code unit;

    a data compression unit;

    a single shared random access memory providing buffer memory for both said error correcting unit and said data compression unit;

    a single memory bus between said shared random access memory, said error correcting code unit and said data compression unit; and

    an arbiter controlling said ECC unit and said data compression unit to share access to said random access memory across said bus.

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