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REAL TIME CLOCK CORRECTION CIRCUIT AND REAL TIME CLOCK CORRECTION METHOD
REAL TIME CLOCK CORRECTION CIRCUIT AND REAL TIME CLOCK CORRECTION METHOD
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机译：实时时钟校正电路及实时时钟校正方法
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摘要
PROBLEM TO BE SOLVED: To maintain date and time of a real time clock with high accuracy even when the real time clock is used in stand-alone.SOLUTION: A correction circuit is connected to an information processing device including a first clock, and includes at least a second clock and a third clock, and a RTC control section. The correction circuit compares values of any two of the clocks, and writes back the average value of the compared two clock values to all of the three clocks as a correction value when the difference of the values is within a predetermined allowable value.
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