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| Pin Number | Pin Name | Function Description |
| 1 | VCC | Power supply: 3.3V |
| 2 | GND | Power ground |
| 3 | BLK | Backlight control switch: By default, the backlight is turned on; a low level signal will turn off the backlight |
| 4 | RES | LCD reset |
| 5 | CS | LCD display chip select signal, with low level being the effective state |
| 6 | DC | LCD data/command selection pin |
| 7 | WR | Write control signals |
| 8 | TE | Synchronization signal, not necessary to connect |
| 9 | DB0-DB7 | 8-bit data line |
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