| Number | Symbol | Explanation |
|---|---|---|
| 1 | GND | Power ground terminal |
| 2 | VCC | Power supply: 3.3V |
| 3 | SCL | SPI clock line |
| 4 | SDA | SPI data line |
| 5 | RES | LCD reset |
| 6 | DC | LCD data/command selection pin |
| 7 | CS1 | LCD chip select, low level valid, must not be floating |
| 8 | BLK | Backlight control switch, default backlight is on, low level turns off backlight |
| 9 | FSO | Character font data output |
| 10 | CS2 | Character font chip chip select |