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Internal serial interface

  • US 10,248,612 B2
  • Filed: 09/29/2016
  • Issued: 04/02/2019
  • Est. Priority Date: 09/30/2015
  • Status: Active Grant
First Claim
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1. A communications interface device comprising:

  • a radio frequency front end configured to receive input data signals and a first clock signal;

    a serial interface configured to receive data signals from the radio frequency front end and that includes a transmit block that provides data and enable signals to at least one receive block, the receive block being associated with a component other than the radio frequency front end; and

    a clock generator configured to be enabled by the radio frequency front end to provide a second clock signal when data is to be transmitted via the interface so that the transmit block of the serial interface receives the second clock signal, the clock generator being activated by the radio frequency front end when data received by the radio frequency front end indicates that the data being provided to the at least one receive block has changed, the clock generator configured to provide a clock signal and a transmit signal to the transmit block of the interface when enabled by the radio frequency front end, and the clock generator and the transmit block being disabled when the data has been transmitted.

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