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Fast diagonal interleaved parity (DIP) calculator

  • US 7,191,388 B1
  • Filed: 03/01/2004
  • Issued: 03/13/2007
  • Est. Priority Date: 03/01/2004
  • Status: Active Grant
First Claim
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1. A programmable device configured to calculate a diagonal interleaved parity word for a packet formed from a sequence of data words and ending in a control word, wherein the programmable device is configured to sequentially process the packet a predetermined number of words at a time, the programmable device comprising:

  • a plurality of programmable blocks, one or more of the programmable blocks being configured to implement a set of XOR calculation chains, the one or more programmable blocks being configured such that the XOR calculation chains have the same length regardless of the number of data words in the packet.

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