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Frequency specific closed loop feedback control of integrated circuits

  • US 8,593,169 B2
  • Filed: 09/16/2011
  • Issued: 11/26/2013
  • Est. Priority Date: 04/16/2002
  • Status: Expired due to Term
First Claim
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1. A method, comprising:

  • accessing a first memory location to obtain an operating frequency value of a processing device corresponding to a desired level of power consumption by the processing device;

    operating the processing device at an operating frequency related to the operating frequency value;

    measuring one or more operating parameters associated with operation of the processing device during operation of the processing device at the operating frequency to obtain corresponding one or more operating parameter values;

    storing the one or more operating parameter values in a second set of memory locations;

    accessing a third set of memory locations to obtain one or more operating parameter target values;

    comparing the one or more operating parameters values to corresponding ones of the one or more operating parameter target values; and

    adjusting a voltage supplied to the processing device responsive to the comparing to cause a level of power consumption by the processing device to approach the desired level of power consumption by the processing device.

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