Multifunction bus to user device interface circuit

Details Multifunction bus to user device interface circuit Multifunction bus to user device interface circuit

1985-05-31

1988-04-12

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 60, 370 85, H04Q 1100, H04Q 1104, H04J 302

Patent

active

047379502

ABSTRACT:
A multifunction bus to user device interface circuit interfaces a user device having an adjunct processing unit and transmit and receive lines with a multi-function bus having predetermined channels and control time slots. The interface circuit has an internal processor for controlling data flow and is connected to the adjunct processing unit through an internal interface means for communicating control, address and data signals. A serial connection memory for channel selection is operatively connected to the internal processor as well as a parallel connection memory for channel selection. An I/O port interfaces the control time slots on the multi-function bus and is operatively connected to the internal processor. The multi-function bus interface means provides for communicating with the channel of the multi-function bus.

REFERENCES:
patent: 4408323 (1983-10-01), Montgomery
patent: 4486878 (1984-12-01), Havermans
patent: 4525830 (1985-06-01), Cotten et al.
patent: 4542501 (1985-09-01), Chevalet et al.

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