Method and apparatus for masking and unmasking a clock signal in

Details Method and apparatus for masking and unmasking a clock signal in Method and apparatus for masking and unmasking a clock signal in

1997-12-19

2000-01-18

Heckler, Thomas M.

Electrical computers and digital processing systems: support

Clock control of data processing system, component, or data...

Inhibiting timing generator or component

711146, G06F 110, G06F 1200

Patent

active

060165510

ABSTRACT:
A microprocessor having a cache memory unit, an execution unit, and clock masking circuitry is described. Both units are responsive to a clock signal that can be masked by the clock masking circuitry in order to reduce the power consumption of the microprocessor. Based on a signal that indicates a potential impending cache snoop, the clock masking circuitry can unmask the clock signal to the cache unit without unmasking the clock signal to the execution unit.

REFERENCES:
patent: 5473767 (1995-12-01), Kardach et al.
patent: 5481731 (1996-01-01), Conary et al.
patent: 5546568 (1996-08-01), Bland et al.
patent: 5603036 (1997-02-01), Wells et al.
patent: 5842005 (1998-11-01), Walsh et al.

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