6.19
Display and input devices
Four general-purpose-color LEDs (LD 1, 2, 3 and 4) are available as display device.
The 4-direction joystick (B4) with selection, Wakeup (B2) and Tamper/key button (B3) are available as input
devices.
A 4" 800x480 TFT color LCD with capacitive touch panel is connected to the MIPI DSI interface of the
STM32H7x7XI microcontroller.
Pin number
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55
57
59
UM2525 - Rev 3
Table 16.
LCD module connector (CN15)
Description
Pin connection
GND
-
DSI_CK_P
-
DSI_CK_N
-
GND
-
DSI_D0_P
-
DSI_D0_N
-
GND
-
DSI_D1_P
-
DSI_D1_N
-
GND
-
BLVDD(5V)
-
BLVDD(5V)
-
-
-
BLGND
-
BLGND
-
-
-
-
-
SCLK/MCLK
PE5
LRCLK
PE4
I2S_DATA
PE6
-
-
-
-
CEC_CLK
PA8
CEC
PA15
DSI_TE
PJ2
-
-
BL_CTRL
PA6
-
DSI_RESET
PF10
-
Pin number
Description
2
-
4
TOUCH_INT
6
GND
8
RFU
10
RFU
12
GND
14
RFU
16
RFU
18
GND
20
-
22
-
24
-
26
-
28
-
30
-
32
-
34
-
36
3.3V
38
-
40
I2C1_SDA
42
-
44
I2C1_SCL
46
-
48
-
50
-
52
-
54
-
56
-
58
-
60
1.8V
UM2525
Display and input devices
Pin connection
-
MFX GPIO14
-
GND
GND
-
GND
GND
-
-
-
-
-
-
-
-
-
-
-
PB7
PB6
-
-
-
-
-
-
-
-
page 20/69
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