Invention Grant
US08412962B2 Microprocessor with improved thermal monitoring and protection mechanism 有权
具有改进的热监测和保护机制的微处理器

Microprocessor with improved thermal monitoring and protection mechanism
Abstract:
A microprocessor including a temperature sensor that monitors a temperature of core logic of the microprocessor during operation thereof, and 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 has a different combination of operating frequency and voltage. The N operating points comprise a highest operating point, a lowest operating point, and a plurality of operating points intermediate the highest and lowest operating points. The microprocessor also includes a control circuit that transitions operation of the core logic among the N operating points to attempt to keep the operating temperature of the core logic provided by the temperature sensor within a temperature range whose upper bound is the first temperature.
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