making the system grind to a halt until the transfer completed. DMA (Direct Memory Access) frees the CPU from these menial tasks. With DMA, peripheral devices do not have to ask the CPU to fetch ...

Last time, in Part 1, we introduced somebasics behind Direct Memory Access (DMA) -why it's needed ... In Autobuffer DMA, when one transfer block completes, thecontrol registers automatically reload to ...

Direct memory access (DMA ... a DMA controller with a 32-bit address register and a 16-bit length register can access a 4GB memory space, but can only transfer 64KB per block. If your application ...