Which of the following interrupt is enabled when the contents of the SFR register is 7Fh?*1 pointA) ET1B) ET0C) EX1D) None of the above
Question
Solution 1
The answer is B) ET0.
Here's the step-by-step explanation:
The SFR (Special Function Register) in question is the IE (Interrupt Enable) register in 8051 microcontroller. The IE register is responsible for enabling and disabling specific interrupts. The bits of the IE register are as follows:
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