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The RS pin acts as an

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in Microcontroller by (14.6k points)
The RS pin acts as an

(a) input pin

(b) output pin

(c) any of the mentioned depending on the conditions

(d) none of the mentioned

I got this question in an interview.

Asked question is from LCD  Interfacing topic in chapter AVR Microcontroller of Microcontroller

1 Answer

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by (24.2k points)
The correct answer is (a) input pin

Easiest explanation: The RS pin of the LCD is used for selecting a particular register used for sending a command or the data to the LCD.

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