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# What is the pin configuration of LCD?

## What is the pin configuration of LCD?

16×2 LCD Display Module

Sr. No Pin No. Pin Description
1 Pin 1 This is a ground pin of LCD
2 Pin 2 This is the supply voltage pin of LCD
3 Pin 3 Adjusts the contrast of the LCD.
4 Pin 4 Toggles between Command/Data Register

## How many data pins are on LCD?

Most LCDs that are being made now come with one row of sixteen pins. The first fourteen pins are used to control the display and the last two are for the backlighting (if the display has backlighting). Older LCDs sometimes came with two rows of seven making a fourteen pin connector.

How many numbers of pins a 16×2 alphanumerical LCD has?

The 16×2 translates o a display 16 characters per line in 2 such lines. In this LCD each character is displayed in a 5×7 pixel matrix….16X2 LCD pinout diagram.

Pin No. Function Name
15 LED Backlight VCC (5V) Led+
16 LED Backlight Ground (0V) Led-

What is the function of commands 80 38 3c 6 in LCD?

16×2 LCD module commands.

Command Function
0E Display ON ,Cursor blinking OFF
80 Force cursor to the beginning of 1st line
C0 Force cursor to the beginning of 2nd line
38 Use 2 lines and 5×7 matrix

### What is LCD 16 * 2?

An electronic device that is used to display data and the message is known as LCD 16×2. As the name suggests, it includes 16 Columns & 2 Rows so it can display 32 characters (16×2=32) in total & every character will be made with 5×8 (40) Pixel Dots.

### How each character is displayed in LCD?

LCD displays have two RAMs, naming DDRAM and CGRAM. DDRAM registers in which position which character in the ASCII chart would be displayed. Each byte of DDRAM represents each unique position on the LCD display. The LCD controller reads the information from the DDRAM and displays it on the LCD screen.

What does 16 mean in 16×2 LCD?

An LCD (Liquid Crystal Display) screen is an electronic display module and has a wide range of applications. A 16×2 LCD display is very basic module and is very commonly used in various devices and circuits. A 16×2 LCD means it can display 16 characters per line and there are 2 such lines.

How many characters does a 16×2 LCD can have?

Hardware Overview. These LCDs are ideal for displaying text/characters only, hence the name ‘Character LCD’. The display has an LED backlight and can display 32 ASCII characters in two rows with 16 characters on each row.

## What is Cgram and DDRAM in LCD?

DDRAM stands for Display Data RAM. The Display Data RAM holds the letters that get shown on the LCD of a character LCD module. The value in the DDRAM is used to find the correct bitmap in the CGROM (Character Generator ROM) or CGRAM (Character Generator RAM), it is this small bitmap that gets displayed on the LCD.

## What is ATmega128?

Let’s jump right in and get down to the nitty-gritty of this module. ATmega128 is an AVR, 8-bit low power microcontroller that contains 64-pin interface and is based on RISC architecture. It is mainly used in an embedded system and industrial automation.

What are the memory types used in atmeag128?

Two memory types are mainly used in ATmeag128 named as Program Memory (Flash Memory) and SRAM memory where former makes use of a single pipelining for the execution of the instructions and later is a volatile memory mainly depends on the power supply source.

What is Atmel start?

Atmel START is an innovative online tool for intuitive, graphical configuration of embedded software projects. It lets you select and configure software components, drivers and middleware, as well as complete example projects, specifically tailored to the needs of your application.

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