I/O Control system for data transmission and reception between c

Details I/O Control system for data transmission and reception between c I/O Control system for data transmission and reception between c

1983-11-01

1986-02-25

Shaw, Gareth D.

Boots, shoes, and leggings

G06F 1314, G06F 1338

Patent

active

045731209

ABSTRACT:
A central processing unit is cascade-connected with a plurality of I/O units, and a bus interconnecting them comprises a plurality of data lines for transmitting a control command signal, an address signal and a data signal on a time shared basis, a plurality of tag lines, each transmitting a tag signal indicating which one of the signals is provided on the data lines, and a clock line for transmitting a clock signal for these signals.

REFERENCES:
patent: 3752932 (1973-08-01), Frisone
patent: 3886524 (1975-05-01), Appelt
patent: 4016369 (1977-04-01), Pedersen
patent: 4019176 (1977-04-01), Cour et al.
patent: 4034351 (1977-07-01), Takezoe
patent: 4176401 (1979-11-01), Lonberger
patent: 4195351 (1980-03-01), Barner et al.
patent: 4224684 (1980-09-01), Conner et al.
patent: 4227178 (1980-10-01), Gergaud et al.
patent: 4275455 (1981-06-01), Bartlett
patent: 4380052 (1983-04-01), Shima

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