UM8237A controller equivalent, programmable dma controller.
* Enable/Disable control of individual DMA requests
* Four independent DMA channels
* Independent autoinitialization of all channels
* Memory-to-memory tr.
The UM8237A Direct Memory Access Controller (DMAC) is a peripheral interface circuit for microprocessor systems. It is designed to improve system performance by allowing external devices to directly transfer information from the system memory. Memory.
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