Clock generator for microcomputer having reduced start-up time

Details Clock generator for microcomputer having reduced start-up time Clock generator for microcomputer having reduced start-up time

1995-12-14

1997-02-25

Grimm, Siegfried H.

Oscillators

Combined with particular output coupling network

331158, 331173, 364DIG1, 3642702, G06F 108, H03B 532, H03K 3012

Patent

active

056062931

ABSTRACT:
A harmonic of a resonance frequency of an oscillator, which occurs at the initial stage of the oscillation of the oscillator, is divided to obtain a pulse to be used as a clock for the operation of a microcomputer before the oscillation is stabilized. Thus, the invention provides a clock generation circuit and a microcomputer which shorten a time period required from the application of power or the clock halt state to the start of the operation of the microcomputer.

REFERENCES:
patent: 4748559 (1988-05-01), Smith et al.
patent: 4758945 (1988-07-01), Remedi
patent: 4864255 (1989-09-01), Yoshida

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