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Explain programmable interrupt controller 8259 features and operation.
written 7.8 years ago by gravatar for meghalikalyankar meghalikalyankar • 2.2k modified 2.2 years ago by gravatar for sagarkolekar sagarkolekar ★ 11k
microprocessors and applications
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written 7.8 years ago by gravatar for meghalikalyankar meghalikalyankar • 2.2k

Features:

  1. It is a LSI chip which manages 8 levels of interrupts i.e. it is used to implement 8 level interrupt systems.
  2. It can be cascaded in a master slave configuration to handle up to 64 levels of interrupts.
  3. It can identify the interrupting device.
  4. It can resolve the priority …

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