APPARATUS AND METHOD FOR REACTING TO A CHANGE IN SUPPLY VOLTAGE
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United States of America Patent
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Issued Date -
Jun 25, 2015
app pub date -
Dec 23, 2014
filing date -
Dec 23, 2013
priority date (Note) -
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Abstract
Aspects of the disclosure provide an integrated circuit (IC). The IC includes a clock generation and supply voltage monitoring circuit configured to monitor a supply voltage to the IC and selectively modify an operating frequency of the IC in response to a sensed change in the supply voltage. The IC further includes a frequency comparing and compensating circuit configured to output a control signal, based on the operating frequency, to a voltage supply to modify the supply voltage so as to compensate for changes in the operating frequency and return the operating frequency to a target operating frequency.
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