| 20100088433 | Direct memory access (DMA) system - A direct memory access (DMA) system includes a memory unit, a memory control unit electrically connected to the memory unit to control the memory unit for data import or data export, a memory bus is electrically connected to the memory unit, an intermediate control unit electrically connected to the memory bus to receive data of the memory unit through the memory bus, and a plurality of DMA units, each of which includes a DMA controller electrically connected to the intermediate control unit and the memory control unit and a data in/out unit electrically connected to the DMA controller and the intermediate control unit. The DMA controllers control the data in/out units to receive data from the intermediate control unit. The present invention may reduce the load on bandwidth of the memory bus | 04-08-2010 |
