Direct memory access controller and data transmitting method...

Details Direct memory access controller and data transmitting method... Direct memory access controller and data transmitting method...

2011-06-28

2011-06-28

Sorrell, Eron J (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Direct memory accessing

C710S023000

Reexamination Certificate

active

07970960

ABSTRACT:
Provided is a direct memory access (DMA) controller. The DMA controller includes a plurality of channel groups and a channel group controller. Each of the channel groups has a plurality of DMA channels, and the channel group controller controls enablement of the DMA channels in units of channel groups. Herein, the channel group controller enables the DMA channels of at least one of the channel groups in data transmission.

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