Multiplexed synchronous/asynchronous data bus

Details Multiplexed synchronous/asynchronous data bus Multiplexed synchronous/asynchronous data bus

1990-08-06

1992-09-22

Safourek, Benedict V.

Multiplex communications

Wide area network

Packet switching

375 7, H04J 302

Patent

active

051503590

ABSTRACT:
A multiplexed synchronous/asynchronous data bus is disclosed in which three bus lines are used to convey bidirectional synchronous data between at least two data devices at a relatively low data rate. Valid half duplex asynchronous data is applied at a higher data transfer rate to one of the three bus lines when only one of the bus lines is held in a logic high state.

REFERENCES:
patent: 3990046 (1976-11-01), Katz et al.
patent: 4639933 (1987-01-01), Howell et al.
patent: 4725836 (1988-02-01), Guidos
patent: 4972432 (1990-11-01), Wilson et al.

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