Question: Why are the read and write control lines in a DMA controller bidirectional? Under what condition and for what purpose are they used as inputs?

Why are the read and write control lines in a DMA controller bidirectional? Under what condition and for what purpose are they used as inputs? Under what condition and for what purpose are they used as outputs?

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DMA Direct Memory Access controllers use read and write control lines which are often bidirectional to facilitate the transfer of data between devices ... View full answer

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