Clock generator capable of shut-down mode and clock generation m

Details Clock generator capable of shut-down mode and clock generation m Clock generator capable of shut-down mode and clock generation m

1994-02-24

1996-03-26

Miska, Vit W.

Horology: time measuring systems or devices

Electrical time base

Solid state oscillating circuit type

364707, 395750, G04F 500, G06F 100

Patent

active

055026893

ABSTRACT:
A clock generator and interrupt bypass circuit for use in reducing the power consumption of the electrical system in which they are implemented. The clock generator provides module clock signals for sequencing modules within the same electrical system, and is capable of generating those module clock signals when in an active mode, and of not generating those module clock signals when in a stand-by mode. The clock generator is further capable of providing a delay of a predetermined length from a request to enter shut-down mode to actual entry into shut-down mode, allowing time to prepare the electrical system for shut-down mode. The interrupt bypass circuit provides a means of leaving shut-down mode in the event that the relevant interrupt requests have been masked.

REFERENCES:
patent: 4293927 (1981-10-01), Hoshii
patent: 4317181 (1982-02-01), Teza et al.
patent: 4365290 (1982-12-01), Nelms et al.
patent: 4409665 (1983-10-01), Tubbs
patent: 4686386 (1987-08-01), Tadao
patent: 4758945 (1988-07-01), Remedi
patent: 4979143 (1990-12-01), Takano et al.
patent: 5148380 (1992-09-01), Lin et al.
patent: 5237699 (1993-08-01), Little et al.

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