Processor having a frequency modulated core clock based on the c

Details Processor having a frequency modulated core clock based on the c Processor having a frequency modulated core clock based on the c

Filed on

1995-12-15

Date issued

1998-09-29

Examiner

Butler, Dennis M.

Other Related Categories

395560, G06F 104, G06F 108

Type

Patent

Status

active

Patent number

058156933

Description

ABSTRACT:
A processing system includes a clock synchromesh that receives indicia of critical activity from various functional units within the processing system and responsive to the indicia, ratchets down/up the frequency of a clock output signal to at least one of the functional units to reduce power consumption. The determination of critical activity is preferably made according to a heuristic internal to a processor under software or hardware control.

REFERENCES:
patent: 5167024 (1992-11-01), Smith et al.
patent: 5473767 (1995-12-01), Kardach et al.
patent: 5493684 (1996-02-01), Gephardt et al.

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