MCU with power saving mode

Details MCU with power saving mode MCU with power saving mode

2005-09-30

2008-10-21

Suryawanshi, Suresh K (Department: 2115)

Electrical computers and digital processing systems: support

Computer power control

C713S322000, C327S540000

Reexamination Certificate

active

07441131

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.

REFERENCES:
patent: 6542025 (2003-04-01), Kutz et al.
patent: 6892310 (2005-05-01), Kutz et al.
patent: 7071768 (2006-07-01), Abe et al.
patent: 7093148 (2006-08-01), Matsunaga

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