Dual port exchange memory between multiple microprocessors

Details Dual port exchange memory between multiple microprocessors Dual port exchange memory between multiple microprocessors

G - Physics

06

F

354/233

G06F 13/00 (2006.01) G06F 15/167 (2006.01) H04L 5/22 (2006.01)

Patent

CA 1161962

Abstract: There is described a unique apparatus for exchanging commands and data via a dedicated memory which has ports connected to the data and address buses of two different microprocessors. The system operates even though the microprocessors have different word lengths, e.g. a sixteen bit processor and an eight bit processor. The system permits interfacing between the microprocessors with different bit size words and allows each of the micro- processors to treat the exchange memory as part of its own memory space without locking one microprocessor off of a shared bus.

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