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In DS12887, what is the range of RAM addresses which are used to store the values of time, calendar and alarm data?

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In DS12887, what is the range of RAM addresses which are used to store the values of time, calendar and alarm data?

(a) 00-7FH

(b) 00-09H

(c) 0EH-7FH

(d) 0A-0DH

I had been asked this question in an interview.

Enquiry is from Interfacing with RTC in division 8051 Microcontroller of Microcontroller

1 Answer

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by (24.2k points)
Right option is (b) 00-09H

The explanation is: In DS12887, the first ten locations i.e. 00-09H are used to store the values of time, calendar and alarm data.

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