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Apparatus for thermal management of multiple core microprocessors

  • US 20050180488A1
  • Filed: 01/13/2005
  • Published: 08/18/2005
  • Est. Priority Date: 08/23/2002
  • Status: Active Grant
First Claim
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1. An integrated circuit (IC) comprising:

  • m processor cores, wherein m is an integer greater than one, wherein each of the m processor cores has an operating frequency and an operating voltage;

    n thermal sensors coupled to the m processor cores, wherein n is an integer greater than one, wherein the n thermal sensors provide signals representing the temperatures of the m processor cores;

    a thermal management unit coupled to the n thermal sensors to monitor the temperatures of the n thermal sensors, and to adjust the operating frequencies and the operating voltages of the m processor cores based on the temperatures at each of the n thermal sensors.

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