Display; Table 10. Display Connections - ST STM32U5G9J-DK2 User Manual

7.5

Display

The STM32U5G9J-DK2 Discovery kit embeds a 5-inch 800x480 TFT LCD MB1860 board, which is connected to
the RGB interface of the STM32U5G9ZJT6Q MCU through a 50-pin connector (CN3).
The MB1860 board uses the RK050HR18-CTG TFT LCD from Rocktech including a backlight and a capacitive
touch panel.
The touchscreen controller is connected to the STM32U5G9ZJT6Q MCU via the I2C2 bus, at the 0x5D address).
Connector
Pin Signal Function
1 GND
3 R0 LCD R0
5 R1 LCD R1
7 R2 LCD R2
9 R3 LCD R3
11 R4 LCD R4
13 R5 LCD R5
15 R6 LCD R6
17 R7 LCD R7
19 GND
21 B0 LCD B0
23 B1 LCD B1
25 B2 LCD B2
27 B3 LCD B3
29 B4 LCD B4
31 B5 LCD B5
33 B6 LCD B6
35 B7 LCD B7
37 GND
39 TP INT
interrupt
41 NC
43 BL CTRL GPIO PWM
45 BL 5V
47 BL GND
49 BL GND
49 BL GND
UM3223 - Rev 1
Table 10.
MCU
I/O Pin
GND
PC6 98
PC7 99
PE15 61
PD8 73
PD9 74
PD10 75
PD11 76
PD12 77
GND
PB9 140
PB2 48
PD14 79
PD15 80
PD0 116
PD1 117
PE7 51
PE8 52
GND
GPIO PE5 4
GND
PE6 5
5V
GND
GND
GND
Display connections
Connector
Pin Signal
2 GND
4 G0
6 G1
8 G2
10 G3
12 G4
14 G5
16 G6
18 G7
20 GND
22 DE
24 DISP
ON/OFF
26 HSYNC
28 VSYNC
30 GND
32 PCLK
34 GND
36 TP WAKE
38 TPSDA
40 TPSCL
42 NC
44 NC
46 NC
48 NC
50 VDD
50 VDD
UM3223
Board functions
MCU
Function I/O Pin
GND
LCD G0 PC8 100
LCD G1 PC9 101
LCD G2 PE9
LCD G3 PE10
LCD G4 PE11
LCD G5 PE12
LCD G6 PE13
LCD G7 PE14
GND
LCD DE PD6 123
GPIO PE4
output
LCD PE0 141
HSYNC
LCD PD13
VSYNC
GND
LCD CLK PD3 119
GND
System NRST
NRST
I2C2 SDA PF0
I2C2 SCL PF1
-
-
-
-
3V3
3V3
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