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The microcontroller enters into power down mode when

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+1 vote
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in Microprocessor by (39.4k points)
The microcontroller enters into power down mode when

(a) SMOD bit of PCON is set

(b) GF1 bit of PCON is set

(c) PD bit of PCON is set

(d) GF2 bit of PCON is set

I had been asked this question in a job interview.

Question is taken from Power Control Register topic in division Microcontroller 8051 of Microprocessor

1 Answer

0 votes
by (49.2k points)
Correct option is (c) PD bit of PCON is set

To explain I would say: If the PD bit of PCON register is set, it enters power down mode.

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