DocID027916 Rev 2
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UM1902
Hardware layout and configuration
78
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.
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.
Table 13. LED related jumpers
Jumper
Description
JP23
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 :
JP24
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)
Pin No.
Description
Pin connection
Pin No.
Description
Pin connection
1
GND
-
2
GND
-
3
R0
PI15
4
G0
PJ7
5
R1
PJ0
6
G1
PJ8
7
R2
PJ1
8
G2
PJ9
9
R3
PJ2
10
G3
PJ10
11
R4
PJ3
12
G4
PJ11
13
R5
PJ4
14
G5
PK0
15
R6
PJ5
16
G6
PK1
17
R7
PJ6
18
G7
PK2
19
GND
-
20
GND
-