Figure 27. 32L4R9IDISCOVERY Round DSI display interface
814
LCD Interface
MB1311 C
28/08/2017
Title:
Size: Reference:
Date: Sheet: of
A3
Revision:
STM32L4R9I-DISCOProject:
+5V
L2 FCM1608KF-601T03
L1 FCM1608KF-601T03
SDA
SCL
I2C
LCD_I2C
I2C1_SDA
VDD
VDD_LCD
DSI_PWR_ON 3
4
5
G
SD
6
2
1
T5
STT7P2UH7
100nF
C60
100K
R50
100nF
C5
10uF
C4
SB12
SB11
SB9
100nF
C53
PB1
DSI_TOUCH_INT
To MFX
MFX_GPIO9
DSI LCD
TOUCH_INT
LCD_BL_CTRL
DSI_BL_CTRL
DSI_TE
PG13
PB6
PF11
DSI_RESET
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
21
21
22
22
23
23
24
24
25
25
26
26
27
27
28
28
29
29
30
30
31
31
32
32
33
33
34
34
35
35
36
36
37
37
38
38
39
39
40
40
41
41
42
42
43
43
44
44
45
45
46
46
47
47
48
48
49
49
50
50
51
51
52
52
53
53
54
54
55
55
56
56
57
57
58
58
59
59
60
60
61
61
62
62
63
63
64
64
CN4
QSH-030-01-F-D-A-K-TR
I2C1_SCL
I2C1_SDA
DSI_D2_P
DSI_D2_N
DSI_D3_P
DSI_D3_N
1V8_LCD
SB10
10K
R7
DSI_SWIRE
DSI_PWR_ON
VDD_LCD
DSI_SPI2_CLK
DSI_SPI2_MOSI
DSI_SPI_D/CX
DSI_USART_CK
DSI_USART_TX
DSI_USART
DSI_SPI_CS
DSI_SPI_MOSI
DSI_SPI_CK
DSI_SPI_DCX
DSI_SPI
DSI_USART
DSI_SPI
USART3_CK
USART3_TX
SB6
SB8
DSI_CK_P
DSI_CK_N
DSI_D0_P
DSI_D0_N
DSI_D1_P
DSI_D1_N
DSI_LANES
DSI_CK_P
DSI_CK_N
DSI_D0_P
DSI_D0_N
DSI_D1_N
DSI_D1_P
DSI_LANES
BLGND
3V3_LCD
3
4
5
G
SD
6
2
1
T4
STT7P2UH7
1V8_LCD
3
4
5
G
SD
6
2
1
T6
STT7P2UH7
+3V3
+5V
+1V8
100nF
C52
3V3_LCD
I2C1_SCL
DSI_SPI_USART_CS
DSI_SPI_D/CX
SPI2_MOSI
SPI2_CLK
In case SB7 is connected, pay attention that
DSI_USART_CK is also connected to the ARD_A3
function linked to ARDUINO Sheet
SB7
SB13
MFX_GPIO10
DSI_SPI_USART_CS
PB14
PB15
PH14
PB13
PB10
PB0
PA8
In case SB13 is connected, pay attention that
DSI_USART_TX may also be used by the
STMod+/PMOD function of page 13 as USART3_TX
SB13 is exclusive with SB6
SB7 is exclusive with SB8
All DSI pairs are Differential 100 ohm
0
R118
0
R119
0
R120
C100
[N/A]
C101
[N/A]
C99
[N/A]
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