Local bus interface for controlling information transfers betwee

Details Local bus interface for controlling information transfers betwee Local bus interface for controlling information transfers betwee

1980-04-15

1982-04-06

Springborn, Harvey E.

Boots, shoes, and leggings

G06F 300

Patent

active

043239676

ABSTRACT:
In a data processing system, a central subsystem includes a plurality of special purpose processing units with one of the processing units serving as a control processing unit within a central subsystem. The processing units are coupled to a common subsystem bus for the transfer of data, control information, and address information within the central subsystem. Access to the subsystem bus is allocated by a bus control unit which also interfaces the central subsystem with other processing units such as a system memory or system I/O devices that are included in the data processing system.

REFERENCES:
patent: 3593300 (1971-07-01), Driscoll, Jr. et al.
patent: 4128876 (1978-12-01), Ames et al.
patent: 4149242 (1979-04-01), Pirz
patent: 4219873 (1980-08-01), Kober et al.
patent: 4231086 (1980-10-01), Tarbox
patent: 4246637 (1981-01-01), Brown et al.

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