Real time clock integrated circuit and apparatus thereof

A real time clock integrated circuit (RTC IC) and an electronic apparatus thereof are provided. In the RTC IC, only a low-power oscillator is used for generating a standard clock for a real time counter, and the standard clock with a frequency drift of the low-power oscillator is compensated through...

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Bibliographic Details
Main Authors CHEN, HONG CHU, SHIAU, JIANN MING
Format Patent
LanguageChinese
English
Published 21.04.2011
Subjects
BASIC ELECTRONIC CIRCUITRY
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
PULSE TECHNIQUE
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Summary:A real time clock integrated circuit (RTC IC) and an electronic apparatus thereof are provided. In the RTC IC, only a low-power oscillator is used for generating a standard clock for a real time counter, and the standard clock with a frequency drift of the low-power oscillator is compensated through table lookup. Accordingly, the power consumption, fabrication cost and design complexity of the RTC IC are reduced and the counting operation duration of the RTC IC is prolonged.
Bibliography:Application Number: TW200796112238