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In DS12887, which bits of the Register A are used to turn on the oscillator?

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In DS12887, which bits of the Register A are used to turn on the oscillator?

(a) D4

(b) D5

(c) D6

(d) All of the mentioned

I got this question during an internship interview.

Asked question is from Interfacing with RTC topic in portion 8051 Microcontroller of Microcontroller

1 Answer

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by (24.2k points)
Correct choice is (d) All of the mentioned

The best explanation: In DS12887, D4-D6 bits of register A are used to turn on the oscillator. A specific value of 010 of D4-D6 is desirable for turning on the oscillator.

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