Pin Number | Identification | Description |
---|
1, 17 | 3.3V | Power positive (3.3V power input) |
2, 4 | 5V | Power positive (5V power input) |
3, 5, 7, 8, 10, 12, 13, 15, 16 | NC | Not connected |
6, 9, 14, 20, 25 | GND | Power ground |
11 | TP_IRQ | The touch panel is interrupted, and it is detected that the touch panel is pressed low |
18 | LCD_RS | Instruction/data register selection, low level is instruction, high level is data |
19 | LCD_SI / TP_SI | LCD display / touch panel SPI data input |
21 | TP_SO | Touch panel SPI data output |
22 | RST | Reset signal, low reset |
23 | LCD_SCK / TP_SCK | LCD display / touch panel SPI clock signal |
24 | LCD_CS | LCD chip select signal, low level enable |
26 | TP_CS | Touch panel chip select signal, low level enable |