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On reset, what are the contents of the SREG register?

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in Microcontroller by (14.6k points)
On reset, what are the contents of the SREG register?

(a) 00h

(b) ffh

(c) 1fh

(d) 11h

I got this question by my school teacher while I was bunking the class.

The question is from Interrupt Programming topic in section AVR Microcontroller of Microcontroller

1 Answer

0 votes
by (24.2k points)
Right option is (a) 00h

The best explanation: On reset, all the interrupts are masked and so the contents of the SREG register is also set to zero as it shows the status of the flags.

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