Pin number Function / MCU port Pin number Function / MCU port
13 NC 14 NC
15 NC 16 NC
17 NC 18 NC
19 3V3 20 GND
Limitations:
On the STM32H735G-DK board, DFSDM1 signals are sharing the same IOs with some IOS used in STMod+. As
a consequence, when using DFSDM1 signals to control an extension audio module connected to CN20 audio
connector, the user must make sure that nothing is connected on STMod+ (1,2,3,4 pins) connector.
8.8 CN19 TFT LCD display connector
The CN19 connector is designed to connect the 4.3-inch TFT LCD touchscreen board. Table 19 shows the
assignment of CN19 and STM32H735IGK6U terminals.
Figure 17. CN19 TFT LCD display connector
Table 19. CN19 TFT LCD display connector
MCU port Signal name CN19 pin number Signal name MCU port
- GND 1 2 GND -
PE0 LCD_R0 3 4 LCD_G0 PB1
PH3 LCD_R1 5 6 LCD_G1 PB0
PH8 LCD_R2 7 8 LCD_G2 PA6
PH9 LCD_R3 9 10 LCD_G3 PE11
PH10 LCD_R4 11 12 LCD_G4 PH15
PH11 LCD_R5 13 14 LCD_G5 PH4
PE1 LCD_R6 15 16 LCD_G6 PC7
PE15 LCD_R7 17 18 LCD_G7 PD3
- GND 19 20 GND -
PG14 LCD_B0 21 22 LCD_DE PE13
PD0 LCD_B1 23 24 LCD_DISP PD10
PD6 LCD_B2 25 26 LCD_HSYNC PC6
PA8 LCD_B3 27 28 LCD_VSYNC PA4
PE12 LCD_B4 29 30 GND -
PA3 LCD_B5 31 32 LCD_CLK PG7
UM2679
CN19 TFT LCD display connector
UM2679 - Rev 1
page 25/42
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