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Explain interfacing of 8259 with 8086 (Cascade mode)
written 9.4 years ago by gravatar for teamques10 teamques10 ★ 70k modified 3.1 years ago by gravatar for sagarkolekar sagarkolekar ★ 11k
microprocessors and microcontrollers
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written 9.4 years ago by gravatar for teamques10 teamques10 ★ 70k
  1. When more than one 8259s are connected to the microprocessor, it is called as a cascaded configuration.
  2. A cascaded configuration increases the number of interrupts handled by the system.
  3. As the maximum number of 8259s interfaced can be 9 (1 master and 8 slaves) the maximum number of interrupts handled …

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