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In AVR, which of the following registers are not used for programming timers?

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In AVR, which of the following registers are not used for programming timers?

(a) TCNT

(b) TCON

(c) TIFR

(d) None of the mentioned

I had been asked this question at a job interview.

This intriguing question comes from Timer Programming topic in division AVR Microcontroller of Microcontroller

1 Answer

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by (24.2k points)
The correct option is (b) TCON

Explanation: In the timer programming of an AVR microcontroller, mainly used registers are TCNTn that stores the values of the count. TCCRn that is used to assign the mode of operation of a timer and TIFR that stores the status of various flags of the timers. Two more registers are used they are OCRn and OCFn. They are used for comparison with the count register.

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