Interrupt structure for network interface circuit

Details Interrupt structure for network interface circuit Interrupt structure for network interface circuit

1989-07-25

1994-02-01

Chun, Debra A.

Multiplex communications

Wide area network

Packet switching

370 852, 364DIG1, 3642222, 3642844, 3642408, 3642383, G06F 900, H04J 324

Patent

active

052838692

ABSTRACT:
A communications interface circuit couples a host processor to a pair of serial communications links. A shared memory is employed to pass message data and network management data between the host and the interface circuit, and each can interrupt the other through interrupt control lines. The shared memory stores a handshake segment that includes interrupt flags and acknowledge flags which enable a large number of different interrupt events to be efficiently serviced.

REFERENCES:
patent: 4604500 (1986-08-01), Brown
patent: 4809269 (1989-02-01), Gulick
patent: 4937777 (1990-06-01), Flood
patent: 4953074 (1990-08-01), Kametami

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