Video audio processing device and standby and return method thereof

  • US 8,284,323 B2
  • Filed: 07/08/2008
  • Issued: 10/09/2012
  • Est. Priority Date: 07/18/2007
  • Status: Expired due to Fees
First Claim
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1. A video audio processing device for processing video and audio signals, the device comprising:

  • a signal processing block including an instruction memory and performing signal processing in accordance with a program loaded into the instruction memory;

    a main storage section having a self-refresh function and being accessible from the signal processing block;

    an auxiliary storage section for storing the program for making the signal processing block perform the signal processing; and

    a control section for, upon receipt of a standby instruction, transferring the program from the auxiliary storage section to the main storage section, and set setting self-refresh in the main storage section, and upon receipt of a return instruction, canceling the self-refresh in the main storage section, loading the program from the main storage section to the instruction memory in the signal processing block, and activating the signal processing block.

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