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Microprocessors & Microcontrollers8051 Interrupts

Which 8051 register is used to select interrupt priority levels?

  • AIP
  • BIE
  • CSCON
  • DSP
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Correct Answer: A. IP
Explanation: The Interrupt Priority (IP) register selects low or high priority for individual interrupt sources.
Reference: Standard microprocessors and microcontrollers: 8051 interrupts
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