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MICROPROCESSOR WITH IMPROVED THERMAL MONITORING AND PROTECTION MECHANISM

  • US 20100324750A1
  • Filed: 09/01/2010
  • Published: 12/23/2010
  • Est. Priority Date: 10/03/2002
  • Status: Active Grant
First Claim
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1. A microprocessor, comprising:

  • a temperature sensor, configured to monitor a temperature of core logic of the microprocessor during operation thereof;

    operating point information, from which may be determined N operating points at which the microprocessor core may reliably operate at a first temperature, each of the N operating points having a different combination of operating frequency and voltage, wherein the N operating points comprise a highest operating point, a lowest operating point, and a plurality of operating points intermediate said highest and lowest operating points; and

    a control circuit, coupled to said temperature sensor, configured to transition operation of the core logic among the N operating points to attempt to keep the operating temperature of the core logic provided by said temperature sensor within a temperature range whose upper bound is said first temperature.

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