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Electronic device and data exchange method including protocol indicative of modes of operation

  • US 10,409,735 B2
  • Filed: 04/20/2016
  • Issued: 09/10/2019
  • Est. Priority Date: 08/31/2015
  • Status: Active Grant
First Claim
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1. An electronic device, comprising:

  • a processor coupled to a memory device, through a data bus to receive and transmit bits on the data bus, the processor being configured to;

    transmit a message including a first bit indicative of controlling the data bus, address bits indicative of an address identifying the memory device, and a second bit indicative of whether the processor intends to read data from or write data to the memory device;

    transmit bits of data or memory address information; and

    transmit a third bit indicative of a memory read mode or a memory write mode selected among;

    reading data from the memory device at a serial peripheral interface speed,reading data from the memory device at a speed faster than the serial peripheral interface speed,erasing data block-by-block from the memory device, anderasing all data from the memory device at once,whereinthe third bit is transmitted after the bits of data or memory address information.

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