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How Direct Memory Access Works?

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    Direct memory access (DMA) keeps peripheral device control where a processor's memory bus directly. DMA permits the peripheral, like  a UART, to
    transfer data directly to or from memory without having each byte (or word)
    handled by the processor. Thus DMA enables more efficient use of interrupts,
    increases data throughput, and potentially reduces hardware costs by eliminating
    the need for peripheral-specific FIFO buffers.
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    Johnpol78 

    answered 8 months ago

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