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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.
I/O
PD10
PF2
PH14
PE0
PB6
PF1
PH13
PF3
PD5
PG0
PC7
PA15
PG7
PB12
PD14
PE7
PE13
PE9
PD9
PH9
PC6
PG4
PF5
PD1
PH6
PH2
UM2993 - Rev 2
Table 17.
I/O configuration of the LCD and CTP interfaces
PD10 is connected to LTDC_B2
PF2 is connected to LTDC_B3
PH14 is connected to LTDC_B4
PE0 is connected to LTDC_B5
PB6 is connected to LTDC_B6
PF1 is connected to LTDC_B7
PH13 is connected to LTDC_G2
PF3 is connected to LTDC_G3
PD5 is connected to LTDC_G4
PG0 is connected to LTDC_G5
PC7 is connected to LTDC_G6
PA15 is connected to LTDC_G7
PG7 is connected to LTDC_R2
PB12 is connected to LTDC_R3
PD14 is connected to LTDC_R4
PE7 is connected to LTDC_R5
PE13 is connected to LTDC_R6
PE9 is connected to LTDC_R7
PD9 is connected to LTDC_CLK
PH9 is connected to LTDC_DE
PC6 is connected to LTDC_HSYNC
PG4 is connected to LTDC_VSYNC
PF5 is connected to LCD_INT
PD1 is used as I2C5_SCL shared between USB and CSI
PH6 is used as I2C5_SDA shared between USB and CSI
PH2 is connected to LCD_NRST
Configuration
UM2993
LCD
page 22/42
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