US PATENT SUBCLASS 710 / 23
.~.~ Programmed control memory accessing

Current as of: June, 1999
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710 /   HD   ELECTRICAL COMPUTERS AND DIGITAL DATA PROCESSING SYSTEMS: INPUT/OUTPUT

1  DF  INPUT/OUTPUT DATA PROCESSING {16}
22  DF  .~ Direct Memory Accessing (DMA) {6}
23.~.~ Programmed control memory accessing

DEFINITION

Classification: 710/23

Programmed control memory accessing:

(under subclass 22) Subject matter further comprising means or steps for transferring data directly between a peripheral and memory and also for transferring data between a

peripheral and the memory under control of the central or main processor(s), although not necessarily at the same time.