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Which of the following have four transfer modes?(a) Intel 8253(b) Intel 8254(c) Intel 8259(d) Intel 8237This question was addressed to me in exam.Question is taken from Implementation of DMA topic in portion Basic Peripherals of Embedded Systems |
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Answer» CORRECT answer is (d) Intel 8237 Easy explanation: The Intel 8237 have four transfer modes. These are SINGLE MODE, block transfer mode, DEMAND mode and CASCADE mode. |
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