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| Pin number | pin name | function description |
| 1 | CS | Chip select pin of the display driver chip, low level effective |
| 2 | RS | Selection data/selection register |
| 3 | WR | Write control pin |
| 4 | RD | Read control pin |
| 5 | RES | Reset pin of the display driver chip, low level resets |
| 6~21 | D0-D15 | 16-bit data line |
| 22,26,27 | GND | Power ground pin |
| 23 | BLK | Backlight control pin, default can be left unconnected, low level turns off backlight |
| 24,25 | VCC | Power supply 3.3V |
| 28 | B1_VDD | Backlight adjustment voltage, default is consistent with the display voltage of the screen |
| 29 | MIS | Touch chip output signal |
| 30 | MOS | Touch chip input signal |
| 31 | PEN | Touch chip interrupt |
| 32 | NC | Floating |
| 33 | TCS | Touch chip chip select, low level effective |
| 34 | TCLK | Touch chip clock pin when touching the chip |
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