Control circuit for generating control signals for controlling r

Details Control circuit for generating control signals for controlling r Control circuit for generating control signals for controlling r

1993-06-24

1999-07-06

Robertson, David L.

Electrical computers and digital processing systems: memory

Storage accessing and control

Shared memory area

711152, G06F 1200

Patent

active

059208945

ABSTRACT:
A circuit arrangement for controlling access to a common memory by two or more processors, one of which is privileged, accelerates and simplifies the execution of the accesses by provision for each processor of its own address register and its own data register. As a result, a processor can process the data read during an access while the next access to the memory is already being carried out for another processor. In the case of write operations, the waiting times are reduced, notably for the non-privileged processors when a write operation is interrupted by a privileged processor, because the data to be written can then be transferred directly to the associated data register.

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patent: 4796232 (1989-01-01), House
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patent: 4851991 (1989-07-01), Rubinfeld et al.
patent: 5050070 (1991-09-01), Chastain et al.
patent: 5072420 (1991-12-01), Conley et al.
patent: 5091846 (1992-02-01), Sachs et al.

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