| Pin | Name | Description |
|---|---|---|
| 1 | VSS | Ground (0V) |
| 2 | VDD | Positive supply voltage |
| 3 | VEE | Contrast adjustment |
| 4 | RS | Register select signal |
| 5 | R/W | Read/Write signal |
| 6 | E | Enable signal |
| 7 | DB0 | Data bus line 0 |
| 8 | DB1 | Data bus line 1 |
| 9 | DB2 | Data bus line 2 |
| 10 | DB3 | Data bus line 3 |
| 11 | DB4 | Data bus line 4 |
| 12 | DB5 | Data bus line 5 |
| 13 | DB6 | Data bus line 6 |
| 14 | DB7 | Data bus line 7 |
| 15 | LED_A | LED power supply (+V) |
| 16 | LED_K | LED power supply (0V) |