Table 14. Lcd Module Connector (Cn20); Figure 36. Mfx - ST STM32H743I-EVAL User Manual

Hardware layout and configuration
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The 4-direction joystick (B4) with selection, Wakeup (B2) and Tamper/key button (B3) are
available as input devices.
5.7" 640x480 TFT color LCD with capacitive touch panel is connected to the RGB LCD
interface of the STM32H743XI microcontroller.

Table 14. LCD module connector (CN20)

Pin No. Description
1 GND
3 R0
5 R1
7 R2
9 R3
11 R4
13 R5
15 R6
17 R7
19 GND
21 B0
23 B1
25 B2
27 B3
29 B4
31 B5
33 B6
35 B7
37 GND
39 INT
41 -
43 BL_CTRL
45 5V
47 BLGND
49 BLGND
The orientation of the 5.7-inch LCD daughterboard can be changed by means of hinged
standoffs and pillars. Refer to
Pin connection Pin No.
- 2
PI15 4
PJ0 6
PJ1 8
PJ2 10
PJ3 12
PJ4 14
PJ5 16
PJ6 18
- 20
PJ12 22
PJ13 24
PJ14 26
PJ15 28
PK3 30
PK4 32
PK5 34
PK6 36
- 38
MFX GPIO14 40
- 42
PA6 44
- 46
- 48
- 50
Figure 6 for details.
DocID030511 Rev 1
UM2198
Description Pin connection
GND -
G0 PJ7
G1 PJ8
G2 PJ9
G3 PJ10
G4 PJ11
G5 PK0
G6 PK1
G7 PK2
GND -
ENB PK7
- -
HSYNC PI12
VSYNC PI13
GND -
CLK PI14
GND -
RESET# -
I2C1_SDA PB7
I2C1_SCL PB6
- -
- -
- -
- -
3.3V -