Display And Input Devices; Table 13. Led Related Jumpers; Table 14. Lcd Modules Connector (Cn20) - ST User Manual User Manual

UM1902
5.18

Display and input devices

4-general-purpose-color leds (LD 1,2,3,4) are available for the display device and they are
connected on MFX.
Jumper
JP23
JP24
The 4-direction joystick (B3) with selection, Wakeup/Tamper button (B2) are available as
input devices.
5.7-inch 640x480-pixel TFT color LCD with capacitive touch panel are connected to RGB
LCD interface of the STM32F746NGH6 microcontroller.
Pin No.
1
3
5
7
9
11
13
15
17
19
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Table 13. LED related jumpers

PB7 is connected to LED3(red) when JP23 is set as shown to the right (Default
setting):
PB7 is used as VSYNC signal of camera when JP23 is set as shown to the right :
PF10 is connected to LED1(green) when JP24 is set as shown to the right (Default
setting):
PF10 is used as analog input from potentiometer when JP24 is set as shown to the
right :

Table 14. LCD modules connector (CN20)

Description Pin connection
GND -
R0 PI15
R1 PJ0
R2 PJ1
R3 PJ2
R4 PJ3
R5 PJ4
R6 PJ5
R7 PJ6
GND -
DocID027916 Rev 2
Hardware layout and configuration
Description
Pin No. Description
2 GND
4 G0
6 G1
8 G2
10 G3
12 G4
14 G5
16 G6
18 G7
20 GND
Pin connection
-
PJ7
PJ8
PJ9
PJ10
PJ11
PK0
PK1
PK2
-
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