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Decoding method and decoder for 64b/66b coded packetized serial data

  • US 6,650,638 B1
  • Filed: 03/06/2000
  • Issued: 11/18/2003
  • Est. Priority Date: 03/06/2000
  • Status: Expired due to Fees
First Claim
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1. A method of decoding a frame of data, the frame being one of a set of frames that represent a packet of information words and that additionally represent coded control words preceding and following the packet, the frames each including a master transition and a payload field, the payload field being one of (a) composed exclusively of ones of the information words, and (b) including a TYPE word that identifies a structure of the payload field, the master transition being in a first state when the payload field is composed exclusively of ones of the information words, and otherwise being in a second state, the method comprising:

  • determining when the master transition is in the first state;

    when the master transition is in the first state, adopting the payload field as a block of received data; and

    when the master transition is not in the first state;

    extracting the TYPE word from the payload field, expanding the payload field in response to the TYPE word, and adopting the payload field after expansion as a block of received data.

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