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Interface DMA controller 8237 with 8086 microprocessor. Explain different data transfer modes of 8237 DMA controller.
written 7.4 years ago by gravatar for teamques10 teamques10 ★ 65k •   modified 7.4 years ago

Mumbai University > Computer Engineering > Sem 5 > Microprocessor

Marks: 10M

Year: Dec 2014, Dec 2015
microprocessors and applications
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written 7.4 years ago by gravatar for teamques10 teamques10 ★ 65k
  1. The 8237 works in two modes i.e., master and slave modes.
  2. In slave mode, the 8237 functions as an input/output device. In this mode the system buses arc controlled by microprocessor and hence the microprocessor is connected to the system bus.
  3. In master mode 8237 becomes the bus master and …

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