Apparatus and method for reducing power consumption in microproc

Details Apparatus and method for reducing power consumption in microproc Apparatus and method for reducing power consumption in microproc

1996-04-03

1998-09-29

An, Meng-Ai T.

395556, 395560, G06F 100

Patent

active

058157255

ABSTRACT:
A circuit to reduce the power consumption of a microprocessor includes activity monitor circuitry to generate an activity signal in response to a low activity operational state of the microprocessor. A clock controller connected to the activity monitor circuitry produces a periodic clock gating signal from the activity signal. Clock gating circuits intermittently apply the internal clock signal to the microprocessor logic circuitry in response to the periodic clock gating signal.

REFERENCES:
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patent: 5347232 (1994-09-01), Nishimichi
patent: 5452434 (1995-09-01), MacDonald
patent: 5511209 (1996-04-01), Mensch, Jr.
patent: 5561792 (1996-10-01), Ganapathy
patent: 5603037 (1997-02-01), Aybay
"Vesusvius-LS Pentium Processor PCI Systme Controller", Pico Power, pp. 54-67, Mar. 1995.

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