Voltage variation processing mechanism built-in a microcontroller
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United States of America Patent
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Issued Date -
Jul 20, 2006
app pub date -
Jan 18, 2005
filing date -
Jan 18, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A voltage variation processing mechanism built-in a microcontroller aims to transmit signals of a low voltage detector or a voltage detector monitor to an address generator, a memory and an instruction register. When the low voltage detector or the voltage detector monitor is activated, the microcontroller is frozen until system voltage is stabilized, then a next program counter starts operation. Therefore system reset frequency may be reduced and system stability is enhanced.
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