Automatic read of current time when exiting low-power state

Details Automatic read of current time when exiting low-power state Automatic read of current time when exiting low-power state

2008-07-15

2008-07-15

Phan, Thanh S (Department: 2833)

Horology: time measuring systems or devices

Time interval

Electrical or electromechanical

C713S320000, C713S323000

Reexamination Certificate

active

07400554

ABSTRACT:
A method and apparatus is described for computing a duration of a reduced power consumption state. A time of exiting from the reduced power consumption state is read prior to an execution of an interrupt routine. The read time of exiting is then stored in a register and a calculation of a reduced power consumption state duration may be performed.

REFERENCES:
patent: 5691948 (1997-11-01), Sakabe
patent: 5714870 (1998-02-01), Dunstan
patent: 6343363 (2002-01-01), Maher et al.
patent: 6763471 (2004-07-01), Aoyama
patent: 2002/0095494 (2002-07-01), Fujita et al.

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