Pipeline control for power management

Details Pipeline control for power management Pipeline control for power management

2005-02-08

2005-02-08

Barlow, John (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Electrical signal parameter measurement system

C326S037000, C700S022000, C713S300000

Reexamination Certificate

active

06853929

ABSTRACT:
A method and apparatus for managing power consumption in logic modules without causing power surges. A first and second logic module operate in response to a first and second clock signal, respectively, to carry out a command. When the command arrives, the first logic module begins to operate and indicates that it is busy. After a first delay, the second module begins to operate and indicates that it is busy. When both modules are finished and no new command is available, the busy indicators are deactivated and after a second delay the first clock signal is deactivated. A third delay after the first clock signal is deactivated, the second clock is deactivated. The first, second and third delays are programmable to avoid power surges in the respective modules.

REFERENCES:
patent: 5754436 (1998-05-01), Walsh et al.
patent: 6717434 (2004-04-01), Takahashi et al.
patent: 20020133241 (2002-09-01), Takahashi et al.

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