Bus interface units sharing a common bus using distributed contr

Details Bus interface units sharing a common bus using distributed contr Bus interface units sharing a common bus using distributed contr

1980-08-20

1983-02-08

Zache, Raulfe B.

Boots, shoes, and leggings

3408255, 370 85, G06F 304, H04Q 900

Patent

active

043731830

ABSTRACT:
A distributed data processing system is disclosed which has truly distributed control. A plurality of bus interface units (BIU) are interconnected by the distributed system data bus (DSDB) which includes a clock line, a serial command line (CMD), a serial bus allocation line (BAL) and a two byte wide data bus. A central clock connected to the clock line which defines the message frame timing, is the only centralized "control" element in the system. Each BIU may in turn be connected to either one or several data processing units, an I/O port, or a bridge connecting to still another similar bus network.

REFERENCES:
patent: 3818447 (1974-06-01), Craft
patent: 4096569 (1978-06-01), Barlow
patent: 4177450 (1979-12-01), Sarrand

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