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The continuous transfer may be interrupted by an external device by pulling down the signal

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in Microprocessor by (39.4k points)
The continuous transfer may be interrupted by an external device by pulling down the signal

(a) HRQ

(b) DACK (active low)

(c) DACK (active high)

(d) HLDA

The question was asked in exam.

My enquiry is from DMA Transfers and Operations in portion DMA, Floppy Disk and CRT Controllers of Microprocessor

1 Answer

0 votes
by (49.2k points)
Right choice is (d) HLDA

The best explanation: The burst or continuous transfer may be interrupted by an external device by pulling down the HLDA line.

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