Microcomputer and control system having the same

Electrical computers and digital processing systems: support – Clock control of data processing system – component – or data...

Reexamination Certificate

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C713S501000

Reexamination Certificate

active

07900081

ABSTRACT:
A microcomputer includes a main oscillator for generating and outputting a main clock signal, a sub oscillator for generating and outputting a sub clock signal, a central processing unit that operates based on the main clock signal, a signal output circuit that operates based on the sub clock signal and outputs a timing signal at a predetermined interval, and a voltage monitoring circuit that operates based on the sub clock signal and intermittently performs a voltage monitoring function in response to the timing signal. The sub oscillator operates independently of the main oscillator.

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Office Action dated May 13, 2009 from German Patent Office in a corresponding DE Application No. 10 2007 031 928.4 (and English Translation).

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