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To come out of idle mode, the external interrupt that is enabled is

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+1 vote
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in Microprocessor by (39.4k points)
To come out of idle mode, the external interrupt that is enabled is

(a) SI(serial)

(b) INT0

(c) INT1

(d) All of the mentioned

I got this question in a job interview.

This intriguing question comes from Power Control Register in division Microcontroller 8051 of Microprocessor

1 Answer

0 votes
by (49.2k points)
Correct choice is (d) All of the mentioned

To explain I would say: To come out of idle mode, any external interrupt that is enabled like SI(Serial), INT0 and INT1.

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