Real time clock calibration system

专利名称：Real time clock calibration system发明人：Stephen Jones,Rupinder Judge申请号：US11715182申请日：20070307

公开号：US20080222440A1公开日：20080911

专利附图：

摘要：A temperature-based real time clock calibration system and method forperforming the same. The system in one embodiment includes a real time clockcalibrated against a reference frequency, a temperature sensor being operative tomeasure a instantaneous temperature T, and control circuitry operative to receive and

sense the temperature T. Control logic, preferably implemented in the control circuitry inone embodiment, determines when to recalibrate the real time clock against thereference frequency based on the measured temperature T. In one embodiment, thereference frequency is generated by a main system clock. The system may be usedduring sleep mode or another reduced power operating mode of an electronic device.

申请人：Stephen Jones,Rupinder Judge

地址：Swindon GB,Bracknell GB

国籍：GB,GB

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