VOLTAGE AND FREQUENCY SCALING APPARATUS, SYSTEM ON CHIP AND VOLTAGE AND FREQUENCY SCALING METHOD
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United States of America Patent
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Aug 17, 2017
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Aug 18, 2016
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Abstract
A voltage and frequency scaling apparatus includes a processor, at least one sensor and a controller. The at least one sensor is electrically coupled to the processor. The at least one sensor measures at least one device characteristic of at least one logic circuit of a system on chip, and transmits at least one sensing result to the processor. The processor generates a control signal according to the at least one sensing result. The controller receives the control signal and adjusts at least one of the operating frequency and the operating voltage of at least one logic circuit. Furthermore, a system on chip (SoC) and a voltage and frequency scaling method are also described herein.
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