Method and apparatus for providing a clock signal to a processor

Details Method and apparatus for providing a clock signal to a processor Method and apparatus for providing a clock signal to a processor

1996-12-30

2000-04-25

Butler, Dennis M.

Electrical computers and digital processing systems: support

Clock, pulse, or timing signal generation or analysis

Multiple or variable intervals or frequencies

713601, G06F 104

Patent

active

060556455

ABSTRACT:
A method and apparatus for providing one of two clock signals to a processor based on a reference signal. An electronic component includes a processor, a first clock source configured to provide a first clock signal, an interface for receiving a second clock signal, and a reference signal line. The first clock signal is applied to the processor if a first reference signal is applied to the reference signal line, and the second clock signal is applied to the processor if a second reference signal is applied to the reference signal line.

REFERENCES:
patent: 5450574 (1995-09-01), Madter et al.
patent: 5644760 (1997-07-01), Polzin et al.
patent: 5774701 (1998-06-01), Matsui et al.
patent: 5889977 (1999-03-01), Schultz
patent: 5896513 (1999-04-01), Fisch et al.

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