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Explain the working of 8089 I/O processor.
written 7.8 years ago by gravatar for teamques10 teamques10 ★ 70k modified 3.8 years ago by gravatar for Sharad Sharad • 160
computer organization and architecture
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written 3.8 years ago by gravatar for Sharad Sharad • 160

  1. 8089 is an I/O processor.

  2. It was available for use with the 8086/8088 central processor.

  3. It uses the same programming technique as 8087 for I/O Operations, such as transfer of data from memory to a peripheral device.

Features:

  1. 8089 has very high speed DMA capability.

  2. It has 1 MB address …

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