Data communication system

Details Data communication system Data communication system

1991-07-22

1993-04-27

Fleming, Michael R.

Boots, shoes, and leggings

395550, 3642283, 364229, 364230, 364242, 3642632, 3642707, 364DIG1, 355 18, G06F 1314, G06F 1324, G03B 2700

Patent

active

052069532

ABSTRACT:
A data communication system having serial data communication circuits and interrupt data communication circuits and allowing a plurality of CPUs to interchange data with each other. While a pluality of different kinds of data are interchanged by serial communication which occurs at predetermined intervals, only urgent data is interchanged by interrupt signals particular to interrupt communication. Whether or not to validate an interrupt signal (whether or not to mask an interrupt) is determined on the basis of data sent by serial data communication.

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patent: 4314334 (1982-02-01), Daughton et al.
patent: 4409656 (1983-10-01), Anderson et al.
patent: 4455621 (1984-06-01), Pelley et al.
patent: 4623244 (1986-11-01), Andrews et al.
patent: 4847867 (1989-07-01), Nasu et al.

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