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16x2 LCD Pinout Configuration
Pin No:
Pin Name:
Description
1
Vss (Ground)
Ground pin connected to system ground
2
Vdd (+5 Volt)
Powers the LCD with +5V (4.7V – 5.3V)
3
VE (Contrast V)
Decides the contrast level of display. Grounded to get maximum contrast.
4
Register Select
Connected to Microcontroller to shift between command/data register
5
Read/Write
Used to read or write data. Normally grounded to write data to LCD
6
Enable
Connected to Microcontroller Pin and toggled between 1 and 0 for data acknowledgement
7 - 14
Data Pin 0 - 7
Data pins 0 to 7 forms a 8-bit data line. They can be connected to Microcontroller to send 8-bit data.
These LCD’s can also operate on 4-bit mode in such case Data pin 4,5,6 and 7 will be left free.
15
LED Positive
Backlight LED pin positive terminal
16
LED Negative
Backlight LED pin negative terminal
KEYPAD
Pada Keypad ketika tombol ditekan, kolom dan baris yang berbeda akan menjadi pendek. Hal ini nantinya akan menyebabkan perubahan tegangan dan arus sehingga ketika dikirimkan dapat diketahui dibagian mana dan tombol apa yang ditekan.
Pin No: | Pin Name: | Description |
1 | Vss (Ground) | Ground pin connected to system ground |
2 | Vdd (+5 Volt) | Powers the LCD with +5V (4.7V – 5.3V) |
3 | VE (Contrast V) | Decides the contrast level of display. Grounded to get maximum contrast. |
4 | Register Select | Connected to Microcontroller to shift between command/data register |
5 | Read/Write | Used to read or write data. Normally grounded to write data to LCD |
6 | Enable | Connected to Microcontroller Pin and toggled between 1 and 0 for data acknowledgement |
7 - 14 | Data Pin 0 - 7 |
Data pins 0 to 7 forms a 8-bit data line. They can be connected to Microcontroller to send 8-bit data. These LCD’s can also operate on 4-bit mode in such case Data pin 4,5,6 and 7 will be left free. |
15 | LED Positive | Backlight LED pin positive terminal |
16 | LED Negative | Backlight LED pin negative terminal |
KEYPAD
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