Time clock generating device applicable to multimedia interface and related method thereof

Time clock generating device applicable to multimedia interface and related method thereof

  • CN 101,420,510 A
  • Filed: 10/26/2007
  • Published: 04/29/2009
  • Est. Priority Date: 10/26/2007
  • Status: Active Application
First Claim
Patent Images

1. clock-generating device that is applied to multimedia interface comprises:

  • First removes frequency module, is used for receiving the image clock of this multimedia interface and uses the first frequency elimination parameter to come this image clock of frequency elimination to export first clock;

    The phase-locked loop is coupled to this and first removes frequency module, comprises;

    Phase/frequency detector is used for relatively this first clock and feedback signal to produce comparative result;

    The may command oscillating circuit is used for producing second clock according to this comparative result;

    AndSecond removes frequency module, is used for receiving this second clock and uses the second frequency elimination parameter to come this second clock of frequency elimination to export this feedback signal;

    AndThe 3rd removes frequency module, is coupled to this phase-locked loop, is used for receiving this second clock and uses the 3rd frequency elimination parameter to come this second clock of frequency elimination to produce the output clock, and wherein this output clock is corresponding with the audio clock of this multimedia interface.

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