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Internet Of Things - Quiz(MCQ)
Function of IE1 in TCON register?
A)
External interrupt 0 single type control bit
B)
External interrupt 1 to be triggered by a falling edge signal
C)
External interrupt 1 Edge flag. Not related to timer operations
D)
External interrupt 1 Edge flag. Not related to timer operations

Correct Answer :   External interrupt 1 Edge flag. Not related to timer operations


Explanation : TCON register has 8 bits. 3rd bit has an IE1 register. This is an external interrupt.

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