Device interface controller for intercepting communication betwe

Details Device interface controller for intercepting communication betwe Device interface controller for intercepting communication betwe

1985-02-25

1989-04-11

Williams, Jr., Archie E.

Boots, shoes, and leggings

G06F 300, G06F 922, G06F 1314, G06F 1336

Patent

active

048211800

ABSTRACT:
An apparatus for use with a DMA controller includes a device interface controller having therein both general and specific command programs, and device bus interface. The apparatus is arranged to intercept all communication signals between the DMA controller and a microcomputer associated therewith.

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