2004 LCD
(Redirected from 2004A Char-LCD(LCM) 20*4 Words-Support 5V)
Note
- Be aware to use address code 0X27 instead of 0X20 in the demo code.(If use the IIC backpack)
Pin Definition
| Front-Left Pin1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| VSS | VDD | V0 | RS | RW | E | D0 | D1 | D2 | D3 | D4 | D5 | D6 | D7 | A | K |
- VSS: Ground for Logic(0V)
- VDD: Power supply for Logic(+5V)
- V0: Power supply for LCD Driver
- RS: H: Data；L: Instruction Code
- R/W: H: Read; L: Write
- E: Enable signal
- DB0~DB7: Data Bus Line
- A: Backlight Power(+5V)
- K: Backlight Power(0V)
Documents
- A Brief datasheet - File:2004 brief datasheet.pdf
- Datasheet - File:204A instructions.pdf