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Explain the functions of following pins of 8086 microprocessor. a). ALE b). NMI c). HOLD d). RESET e). DEN
written 5.6 years ago by gravatar for meghalikalyankar meghalikalyankar • 2.2k •   modified 4.6 years ago
microprocessors and peripherals
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written 5.6 years ago by gravatar for meghalikalyankar meghalikalyankar • 2.2k

a) ALE:

  • It is the output pin of 8086. In is used to latch the address by de-multiplexing (seperate) address and data line from AD0-AD15, A16-A19 and S7/BHE.

b) NMI:

  • It is input pin to 8086. This is a non-maskable, edge triggered, high priority hardware interrupt.
  • On receiving an interrupt …

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