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Transmitter circuit, receiver circuit, interface circuit, and electronic instrument

  • US 20060097753A1
  • Filed: 09/07/2004
  • Published: 05/11/2006
  • Est. Priority Date: 09/05/2003
  • Status: Active Grant
First Claim
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1. A transmitter circuit connected to a receiver circuit with differential signal lines interposed, the transmitter circuit comprising:

  • a current driver which current-drives the differential signal lines; and

    a voltage driver which is electrically disconnected from at least one of the differential signal lines in a normal transfer mode, and is electrically connected to the at least one of the differential signal lines and voltage-drives the at least one of the differential signal lines in a power-down mode, wherein the voltage driver outputs a power-down voltage for setting the receiver circuit to the power-down mode or a wakeup voltage for canceling the power-down mode of the receiver circuit, to the at least one of the differential signal lines.

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