9.9 CN1 TFT LCD display connector
The CN1 connector is designed to connect the 4.3-inch TFT LCD touchscreen board. Table 22 shows the
assignment of CN1 and STM32H7B3LIH6QU terminals.
Figure 24. CN1 TFT LCD display connector
Table 22. CN1 TFT LCD display connector
MCU port Signal name CN1 pin number Signal name MCU port
- GND 1 2 GND -
PI15 LCD_R0 3 4 LCD_G0 PJ7
PJ0 LCD_R1 5 6 LCD_G1 PJ8
PJ1 LCD_R2 7 8 LCD_G2 PJ9
PJ2 LCD_R3 9 10 LCD_G3 PJ10
PJ3 LCD_R4 11 12 LCD_G4 PJ11
PJ4 LCD_R5 13 14 LCD_G5 PK0
PJ5 LCD_R6 15 16 LCD_G6 PK1
PJ6 LCD_R7 17 18 LCD_G7 PK2
- GND 19 20 GND -
PJ12 LCD_B0 21 22 LCD_DE PK7
PJ13 LCD_B1 23 24 LCD_ON/OFF PA2
PJ14 LCD_B2 25 26 LCD_HSYNC PI12
PJ15 LCD_B3 27 28 LCD_VSYNC PI13
PK3 LCD_B4 29 30 GND -
PK4 LCD_B5 31 32 LCD_CLK PI14
PK5 LCD_B6 33 34 GND -
PK6 LCD_B7 35 36 NRST NRST
- GND 37 38 I2C4_SDA PD13
PH2 LCD_INT 39 40 I2C1_SCL PD12
- NC 41 42 NC -
PA1 LCD_BL_CTRL 43 44 NC PB6
- 5V 45 46 NC -
- GND 47 48 NC -
- GND 49 50 3V3 -
UM2569
CN1 TFT LCD display connector
UM2569 - Rev 1
page 33/54
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