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System, method, and apparatus for extended serial peripheral interface

  • US 20060143348A1
  • Filed: 12/29/2004
  • Published: 06/29/2006
  • Est. Priority Date: 12/29/2004
  • Status: Abandoned Application
First Claim
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1. A method for serial interchip communication between a master chip having clocking capability and a slave chip, the method comprising:

  • the master chip asserting a chip select, thereby selecting the slave chip;

    the slave chip issuing an interrupt to the master chip;

    clocking a slave message into the master chip from the slave chip;

    clocking a master message into the slave chip from the master chip; and

    processing the slave message and the master message to negotiate data flow between the master chip and the slave chip.

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