Hidden memory refresh for a data processing system

Details Hidden memory refresh for a data processing system Hidden memory refresh for a data processing system

G - Physics

11

C

354/237

G11C 11/406 (2006.01)

Patent

CA 1107399

???????? FOR A DATA PROCESSING SYSTEM ABSTRACT OF THE DISCLOSURE There is disclosed a scheme for providing hidden memory refresh for a data processing system. The data proces- sing system employs a CPU and a MOS memory, the memory requiring replenishing or refreshing periodically. The CPU includes micro- code containing microinstructions, the microinstructions providing control for the CPU including control for the memory. The refreshing scheme employs apparatus for decoding of these micro- instructions and for providing refreshing signals to the memory in such a manner that all non-refreshing operations of the data processing system proceed without being delayed by operation of the refreshing apparatus.

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