Real-time end of packet signal generator

Details Real-time end of packet signal generator Real-time end of packet signal generator

1985-11-14

1987-07-14

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 94, 3701101, H04J 302, H04J 324, H04J 312

Patent

active

046807551

ABSTRACT:
Provided is a circuit for signalling the real-time end of a local area network packet as the packet is being pulled off a transmission medium and stored in memory. Storage of the packet is performed by a local area network coprocessor. The circuit monitors for the simultaneous occurrence of three conditions: the coprocessor is in a write-to-memory cycle; it is writing to the address of a status word pertaining to a packet; and the most significant bit of the status word is being set. If all three conditions are true, the circuit asserts the real-time end-of-packet signal.

REFERENCES:
patent: 4491944 (1985-01-01), Caizergues et al.
patent: 4577317 (1986-03-01), Chu et al.
patent: 4592048 (1986-05-01), Beckner et al.

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