Microprogrammable control unit

Details Microprogrammable control unit Microprogrammable control unit

1977-07-19

1979-04-24

Nusbaum, Mark E.

Boots, shoes, and leggings

364200, G06F 918

Patent

active

041515978

ABSTRACT:
A microprogrammable control unit to be associated with a memory in which there have been pre-recorded two sequences of micro-instructions relating to two faces (digital systems) to be coupled and to outside resources adapted to emit control signals necessary for these two digital systems is provided. The control unit comprises at least an addressing unit for the memory adapted to the quasi-simultaneous operation of the two sequences, internal resources comprising at least for each face an input register, an output register of data and a counter and common to the two faces a multiplexer of the signals indicating the states of the internal resources and of the external resources, instruction registers for memorizing codes furnished by the micro-instruction extracted from the memory and a transcoding device controlling the resources, the addressing unit and the multiplexer as a function of the codes of micro-instructions with which data are associated.

REFERENCES:
patent: 3689895 (1972-09-01), Kijamura
patent: 3972029 (1976-07-01), Bailey, Jr.

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