System using microprocessor address lines for coprocessor select

Details System using microprocessor address lines for coprocessor select System using microprocessor address lines for coprocessor select

1991-03-28

1992-06-23

Lee, Thomas C.

Boots, shoes, and leggings

3642286, 364DIG1, G06F 1516

Patent

active

051250950

ABSTRACT:
A microcomputer system has a microprocessor and a number of independent coprocessors for executing individual instructions according to instruction data sent from the microprocessor. An address bus and a data bus interconnect the coprocessors with the microprocessor. The microprocessor sends instruction data to the coprocessors via the data bus and concurrently sends coprocessor designation data to the coprocessors via the address bus. The coprocessor designated by the designation data reads and reacts to the instruction data while the other coprocessors within the system disregard the instruction data.

REFERENCES:
patent: 4775931 (1988-10-01), Dickie et al.
patent: 4809169 (1989-02-01), Sfarti et al.
patent: 4868735 (1989-11-01), Moller et al.
patent: 4926318 (1990-05-01), Nakayama

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