Microcontroller unit having power supply voltage monitor

Details Microcontroller unit having power supply voltage monitor Microcontroller unit having power supply voltage monitor

2011-01-18

2011-01-18

Cao, Chun (Department: 2115)

Electrical computers and digital processing systems: support

Computer power control

Having power source monitoring

C713S300000, C327S539000

Reexamination Certificate

active

07873856

ABSTRACT:
The single chip microcontroller unit includes a processing unit having normal power mode of operation and a low power mode of operation. Analog circuitry and digital circuitry are connected to the processing unit. Monitoring circuitry determines if a chip supply voltage level exceeds a threshold level necessary to maintain operation of the digital circuitry.

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patent: 2007/0055900 (2007-03-01), Choi
patent: 2009/0089605 (2009-04-01), Westwick et al.

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