Microcontroller unit (MCU) with power saving mode

Details Microcontroller unit (MCU) with power saving mode Microcontroller unit (MCU) with power saving mode

2011-08-30

2011-08-30

Suryawanshi, Suresh (Department: 2115)

Electrical computers and digital processing systems: support

Computer power control

Power conservation

C713S320000, C327S540000

Reexamination Certificate

active

08010819

ABSTRACT:
A microcontroller unit includes a processor for generating a first control signal to start a comatose mode of operation for the microcontroller unit. Control logic responsive to the first control signal generates an enable signal at a first level and the control logic is further responsive to a second control signal for generating the enable signal at a second level. A voltage regulator generates regulated voltage from an input voltage. The voltage regulator shuts down to provide a zero volt regulated voltage responsive to the enable signal at the first level and powers up to provide a regulated voltage at an operating level responsive to the enable signal at the second level.

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PCT: Written Opinion of the International Searching Authority of PCT/US06138447; International Publication No. WO 2007/041500; Jul. 22, 2007; 3 pgs.

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