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ACCELERATING THE MICROPROCESSOR CORE WAKEUP BY PREDICTIVELY EXECUTING A SUBSET OF THE POWER-UP SEQUENCE

  • US 20150082066A1
  • Filed: 02/04/2014
  • Published: 03/19/2015
  • Est. Priority Date: 09/13/2013
  • Status: Active Grant
First Claim
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1. A method for an integrated circuit with power gating, the method comprising:

  • providing a power header switch to connect and disconnect any one of a plurality of circuits to a common voltage source, wherein a powered off circuit is disconnected from the common voltage source;

    configuring a power-up sequencer to comprise an initial stages power-up component and a final stages power-up component, wherein the final stages power-up component is configured to execute final stages of a power-up process for the powered off circuit; and

    configuring the initial stages power-up component to execute initial stages of the power-up process for the powered off circuit, the initial stages power-up component being activated in response to a predictive power-up request.

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