INTRODUCTION TO MICROPEOCESSOR
MICROCOMPUTER SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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It is a type of an internal register used to set/reset sets or clears the channel mask.
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Hold Register
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Mask Register
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Mode Register
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Select Register
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Explanation:
Detailed explanation-1: -DMA usually has five registers: a block length register, a source address register, a destination address register, a byte counter, and a temporary data register. The block length register indicates the transfer block size.
Detailed explanation-2: -Internal registers Current address register: To store the current address from where data is being transferred. Current word count register: To store the number of transfers remaining to be performed. Temporary address register: To hold address of data during memory-to-memory transfer.
Detailed explanation-3: -TC. It stands for ‘Terminal Count’, which indicates the present DMA cycle to the present peripheral devices.
There is 1 question to complete.