Electrical computers and digital processing systems: support – Computer power control – Power conservation
Reexamination Certificate
2007-02-20
2007-02-20
Browne, Lynne H. (Department: 2116)
Electrical computers and digital processing systems: support
Computer power control
Power conservation
C713S300000, C713S320000, C713S322000, C713S324000, C713S330000, C341S155000, C341S161000, C341S162000
Reexamination Certificate
active
10723464
ABSTRACT:
A method for placing a device in a selected mode of operation. The method comprises the steps of initializing a device select signal into a first logic state, asserting the device select signal in a second logic state, and returning the device select signal to the first logic state within a first user-controlled time window. A device is also described that includes means for detecting logic state transitions at a device select input and a clock input, and means for changing operating mode of the device in response to a predetermined number of logic state transitions at the clock input, occurring between logic state transitions at the device select input. The selected operating mode may be a reduced power consumption mode, for example, or another operating mode of the device, such as a daisy-chain mode of operation, or a mode that accommodates programming of analog input range.
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Byrne Michael
Hummerston Derek
O'Byrne Nicola
Price Colin
Analog Devices Inc.
Browne Lynne H.
Patel Nitin C.
Wolf Greenfield & Sacks P.C.
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