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Electronic circuit and method for transferring data between clock domains

  • US 10,090,965 B2
  • Filed: 06/12/2015
  • Issued: 10/02/2018
  • Est. Priority Date: 06/12/2015
  • Status: Active Grant
First Claim
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1. An electronic circuit device comprising:

  • a first clock domain configured to operate according to a first clock signal;

    wherein the first clock domain receives data;

    wherein the first clock domain comprises;

    an encoding circuit configured to encode the data into encoded data using codewords;

    a second clock domain configured to operate according to a second clock signal different from the first clock signal;

    wherein the second clock domain comprises;

    a reception circuit configured to receive the encoded data and decode the encoded data into valid decoded data codewords and invalid decoded data codewords and to discard the invalid decoded data codewords; and

    an interface between the first clock domain and the second clock domain;

    wherein the interface is configured to receive the encoded data from the first clock domain and configured to transmit the encoded data to the second clock domain;

    wherein the interface comprises a synchronizer configured to synchronize the encoded data to the second clock signal; and

    wherein the encoding circuit is configured to supply the bits of each codeword of the encoded data in parallel to the interface by means of a plurality of bit lines and wherein the synchronizer comprises a synchronization circuit for each bit line of the plurality of plurality of bit lines.

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