I/O module for a serial multiplex data system with a programmabl

Details I/O module for a serial multiplex data system with a programmabl I/O module for a serial multiplex data system with a programmabl

1997-12-08

2000-06-06

Ngo, Ricky

Multiplex communications

Duplex

Time division

370419, 370503, 34082506, 34082557, H03L 700

Patent

active

060727837

ABSTRACT:
A programmable data link module is used on a time division multiplex data bus. The module is functional as an input device, an output device, or both as an input and output device. It can receive data from the data bus during the selected time slot for a selected number of frames to control output devices connected to it. The data link module includes an input circuit for generating a data output signal data to the data bus in response to the input signals from an input device coupled to the module. The input circuit includes a programmable input communication mode selector, allowing the data bus and the data link module to function with or without a host computer. The mode selector provides simplex or duplex.

REFERENCES:
patent: 4052566 (1977-10-01), Mackay
patent: 4156112 (1979-05-01), Moreland
patent: 4435706 (1984-03-01), Callan
patent: 4682168 (1987-07-01), Chang et al.
patent: 4808994 (1989-02-01), Riley
patent: 5043911 (1991-08-01), Rashid
patent: 5504737 (1996-04-01), Itchii et al.
patent: 5691659 (1997-11-01), Riley

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