7.15 LCD
The LCD is provided and mounted with the STM32MP135F-DK Discovery kit.
7.15.1 Description
The TFT LCD module is connected to the board through the 40-pin connector CN16. The touch panel is
embedded in the LCD module.
The LCD module is composed of a TFT LCD module with an LCD driver. The 4.3" LCD supports a resolution of
480 × 272 dots in 262K colors (RGB). The touch panel drive works with a self-capacitive controller.
7.15.2 Operating voltage
The LCD module with its touch panel power supply is connected to 3V3_SW.
The backlight of the LCD is driven by a dedicated circuit connected to 5V_VIN.
7.15.3 LCD interface
Table 17 describes the I/O configuration of the LCD and CTP interfaces.
Table 17. I/O configuration of the LCD and CTP interfaces
I/O Configuration
PD10 PD10 is connected to LTDC_B2
PF2 PF2 is connected to LTDC_B3
PH14 PH14 is connected to LTDC_B4
PE0 PE0 is connected to LTDC_B5
PB6 PB6 is connected to LTDC_B6
PF1 PF1 is connected to LTDC_B7
PH13 PH13 is connected to LTDC_G2
PF3 PF3 is connected to LTDC_G3
PD5 PD5 is connected to LTDC_G4
PG0 PG0 is connected to LTDC_G5
PC7 PC7 is connected to LTDC_G6
PA15 PA15 is connected to LTDC_G7
PG7 PG7 is connected to LTDC_R2
PB12 PB12 is connected to LTDC_R3
PD14 PD14 is connected to LTDC_R4
PE7 PE7 is connected to LTDC_R5
PE13 PE13 is connected to LTDC_R6
PE9 PE9 is connected to LTDC_R7
PD9 PD9 is connected to LTDC_CLK
PH9 PH9 is connected to LTDC_DE
PC6 PC6 is connected to LTDC_HSYNC
PG4 PG4 is connected to LTDC_VSYNC
PF5 PF5 is connected to LCD_INT
PD1 PD1 is used as I2C5_SCL shared between USB and CSI
PH6 PH6 is used as I2C5_SDA shared between USB and CSI
PH2 PH2 is connected to LCD_NRST
UM2993
LCD
UM2993 - Rev 2
page 22/42
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