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Microprocessors & Microcontrollers8051 Interrupts

Which 8051 register is used to enable or disable interrupt sources globally and individually?

  • AIE
  • BIP
  • CTMOD
  • DDPH
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Correct Answer: A. IE
Explanation: The Interrupt Enable (IE) register contains the global enable bit EA and individual interrupt-enable bits.
Reference: Standard microprocessors and microcontrollers: 8051 interrupts
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