System for adapting its clock frequency to that of an associated

Details System for adapting its clock frequency to that of an associated System for adapting its clock frequency to that of an associated

1991-07-15

1992-05-19

Lee, Thomas C.

Boots, shoes, and leggings

36493471, 3649354, 34082514, G06F 108, G06F 112

Patent

active

051155036

ABSTRACT:
A digital computer system has internal and external devices, with the external devices connected to an associated bus. The digital computer system has a clock frequency which is different from that of the associated bus. Memory addresses from the central processor are decoded and for external devices, a frequency adjusting circuit divides the output from a clock oscillator to provide a system clock that is approximately the same frequency as that of the associated bus.

REFERENCES:
patent: 4095267 (1978-06-01), Morimoto
patent: 4254475 (1981-03-01), Cooney et al.
patent: 4631702 (1986-12-01), Korba
patent: 4677433 (1987-06-01), Catlin et al.
patent: 4787064 (1988-11-01), Wagner
patent: 4819164 (1989-04-01), Branson
patent: 4821229 (1989-04-01), Jauregni

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