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What is the address of the second column and the second row of the 2*20 LCD?

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+1 vote
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in Microcontroller by (14.6k points)
What is the address of the second column and the second row of the 2*20 LCD?

(a) 0x80

(b) 0x81

(c) 0xc0

(d) 0xc1

I got this question in an international level competition.

My doubt is from LCD  Interfacing in division AVR Microcontroller of Microcontroller

1 Answer

0 votes
by (24.2k points)
The correct option is (d) 0xc1

To elaborate: 0xc0 acts as the address for selecting the second row and the first column of the LCD, so according to it if we need to select the second row and the second column of the LCD, then the address should be 0xc1.

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