Question

2. State DMA controller signals of 8026​

Answer 1

Answer:

The DMA transfer is also used to do high-speed memory-to- memory transfers. Two control signals are used to request and acknowledge a DMA transfer in the microprocessor-based system. The HOLD signal is a bus request signal which asks the mi- croprocessor to release control of the buses after the current bus cycle.

Answer 2

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The DMA transfer is also used to do high-speed memory-to- memory transfers. Two control signals are used to request and acknowledge a DMA transfer in the microprocessor-based system. The HOLD signal is a bus request signal which asks the mi- croprocessor to release control of the buses after the current bus cycle.