DMA(直接内存访问)
DMA(直接内存访问)
Direct Memory Access. A technique for transferring data directly between two peripherals (usually memory and an I/O device) with only minimal interventi on by the processor. DMA transfers are managed by a third peripheral called
a DMA controller.
直接内存访问。一种直接在两个外设(通常是内存和I/O设备)之间进行数据传输的技术,它只要处理器最少的介入。DMA传输由叫DMA控制器的第三方外设进行管理
Direct Memory Access. A technique for transferring data directly between two peripherals (usually memory and an I/O device) with only minimal interventi on by the processor. DMA transfers are managed by a third peripheral called
a DMA controller.
直接内存访问。一种直接在两个外设(通常是内存和I/O设备)之间进行数据传输的技术,它只要处理器最少的介入。DMA传输由叫DMA控制器的第三方外设进行管理