This application note presents the Direct Memory Access (DMA) control, its basic set-up and operations. The document includes the usage examples of the DMA controller and the DMA Trigger Factor ...
Make sure that all devices on the chain are UDMA-capable. Also, with UDMA, often, even a slight overclock will screw up the timing of the controller, so if you're overclocking, try dropping back to ...
DMA stands for "Direct Memory access" which transfers data directly from the device to the reciepent. With my HDD, without UDMA, reads were around 5-8MBPS. With UDMA, writes maxed out at 46MBPS and ...
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