Generating a local clock domain using dynamic controls

Details Generating a local clock domain using dynamic controls Generating a local clock domain using dynamic controls

2011-08-16

2011-08-16

Wang, Albert (Department: 2115)

Electrical computers and digital processing systems: support

Clock, pulse, or timing signal generation or analysis

Multiple or variable intervals or frequencies

C365S233100, C714S733000

Reexamination Certificate

active

08001411

ABSTRACT:
A method for generating a local clock domain within an operation includes steps of: receiving a clock frequency measurement for a slow portion of logic within the operation; generating a local signal to indicate commencement of the operation and to function as a clock gating signal; latching the clock gating signal to a selected cycle; generating clock domain controls based on the clock gating signal such that the operation times itscommencement on the selected cycle; and propagating the clock gating signal in ungated latches for a number of cycles, such that a second operation is restricted from being launched until the operation completes.

REFERENCES:
patent: 5256912 (1993-10-01), Rios
patent: 6442722 (2002-08-01), Nadeau-Dostie et al.
patent: 7518947 (2009-04-01), Starnes

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