Calibration method and apparatus for clock signal and electronic device
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United States of America Patent
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Jul 1, 2014
Grant Date -
May 10, 2012
app pub date -
Oct 26, 2011
filing date -
Nov 9, 2010
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Abstract
An embodiment of the invention provides a clock calibration method to calibrate an internal clock signal of a computer. The method comprises: receiving an external clock signal from an external clock source; generating a pulse signal with a first duration according to the external clock signal; counting the internal clock signal according to the pulse signal to get a first count value; and calibrating the internal clock according to the first count value.
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