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Question

Function of IE1 in TCON register?

a.

External interrupt 1 Edge flag. Not related to timer operations

b.

External interrupt 1 Edge flag. Not related to timer operations

c.

External interrupt 0 single type control bit

d.

External interrupt 1 to be triggered by a falling edge signal

Answer: (b).External interrupt 1 Edge flag. Not related to timer operations

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Q. Function of IE1 in TCON register?