Clock pulse control system for microcomputer systems

Details Clock pulse control system for microcomputer systems Clock pulse control system for microcomputer systems

1976-11-24

1978-06-13

Shaw, Gareth D.

Boots, shoes, and leggings

G06F 104

Patent

active

040952673

ABSTRACT:
A clock pulse control system for microcomputer systems includes a central processing unit, a plurality of first input/output units, a plurality of second input/output units and a clock pulse generator. The clock pulse generator generates a first clock pulse having a frequency to operate the central processing unit and the first input/output units and a second pulse having the same frequency or a different frequency to operate the second input/output units. Thus, the first input/output units are operated at the same frequency as the central processing unit. The second input/output units are operated by a second clock pulse having an optimum frequency when no information is transferred between the second input/output units and the central processing unit and by a second clock pulse having the operating frequency of the central processing unit when information is transferred between the second input/output units and the central processing unit.

REFERENCES:
patent: 3750107 (1973-07-01), Pyne
patent: 3879710 (1975-04-01), Maxemchuk et al.
"Modern Eliminator", in IBM Technical Disclosure Bulletin vol. 17, No. 10, Mar. '75, p. 3073.

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