Command bus

Details Command bus Command bus

1979-12-06

1984-07-24

Gruber, Felix D.

Communications: electrical

Continuously variable indicating

With meter reading

364900, H04Q 900

Patent

active

044620292

ABSTRACT:
A system for reducing a fixed number of data buses and connections in a computer system having a number of modules connected to the data bus utilizing the internal circuits of the various processing units or modules to transmit data from one unit to another via the data bus when the normal function of a unit can be interrupted, with the data routing and module control being under the control of a command bus.

REFERENCES:
patent: 4085448 (1978-04-01), Kogge
patent: 4151593 (1979-04-01), Jenkins et al.
patent: 4157587 (1979-06-01), Joyce et al.
patent: 4167779 (1980-09-01), Sullivan et al.
patent: 4181934 (1980-01-01), Marenin
INTEL The 8080/8085 Microprocessor Book, A. Wiley-Interscience Publication, New York, 1980.
PDP II Peripherals and Interfacing Handbook, Unibus Theory and Operation, Copyright 1971, Digital Equipment Corporation, Maynard, Massachusetts.

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