Microprocessor system

Details Microprocessor system Microprocessor system

G - Physics

06

F

354/230.71

G06F 13/00 (2006.01)

Patent

CA 1092713

MICROPROCESSOR SYSTEM Abstract of the Disclosure A single chip large scale integration processor pro- cesses its own on-chip control storage array while including the ability to also address supplemental off-chip control storage and to use such off-chip supplemental storage in substitution for portions of the on-chip storage. The pro- cessor further includes simplified arithmetic and logic (ALU) circuitry wherein the adder circuit has portions selectively gated to perform other functions with a reduced logic circuit requirement. Processor function is also en- hanced by providing a read only storage (ROS) array in association with the ALU to provide multiple register load- ing and control functions in response to certain addresses. The processor also includes memory control circuitry that permits a group of like processors to access a single, ex- ternal memory on a dynamic, prioritized basis.

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