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DATA PROCESSING SYSTEM WITH PROTOCOL DETERMINATION CIRCUITRY

  • US 20150039916A1
  • Filed: 07/31/2013
  • Published: 02/05/2015
  • Est. Priority Date: 07/31/2013
  • Status: Active Grant
First Claim
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1. A semiconductor device comprising:

  • a processing system including a section of power domain circuitry and a section of coin cell power domain circuitry, wherein the coin cell power domain circuitry is configured to;

    when power is initially provided to the coin cell power domain circuitry, using power provided by a power management circuit as feedback todetermine that the power management circuit provides the power in response to a power request signal being a toggle signal, anddetermine that the power management circuit provides the power in response to the power request signal being a pulse signal.

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