Control unit for processing instruction using chained processing

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364229, 3642305, 3642328, 3642712, 3649278, 36493148, 36493143, 3649403, 36494091, 364937, 36494205, 3649503, 364DIG1, 395800, G06F 1580, G06F 1338

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051426323

ABSTRACT:
A control unit for processing modules of an integrated circuit for data processing includes at least one control module which is formed by a control operator and a gating means which exchanges input/output semaphores with upstream and downstream control modules and/or with processing modules. Each control operator, controlled by its gating means, receives microinstructions from an upstream control module and supplies microinstructions to one or more downstream control modules and/or microcommands to a downstream processing module. The control operator may comprise either a sequencer and a memory or a programmable logic array. The exchanges being controlled by the semaphores, each control module incorporates self-clocking sequencing. The control unit enables a modular design for the integrated circuit for data processing.

REFERENCES:
patent: 3716843 (1973-02-01), Schmitt et al.
patent: 4467409 (1984-08-01), Potash et al.
patent: 4760525 (1988-07-01), Webb
patent: 4868739 (1989-09-01), Ngai et al.
patent: 4935866 (1990-07-01), Sauvajol et al.

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