Smart Module Series
SC206E_Series_Hardware_Design 55 / 115
A reference circuit for the LCM interface is shown below.
DSI_ CLK_P
LEDA
NC
LEDK
LPTE
NC (SDA-TP)
VIO18
NC (VTP-TP)
DSI _LN3_P
LCD_TE
LCD_ RST
DSI_LN3_N
DSI_LN2_P
_ CLK_N
DSI_LN2_N
RESET
LCD_ID
NC (SCL-TP)
NC (RST-TP)
NC (EINT-TP)
GND
VCC28
GND
MIPI_TDP3
MIPI_TDN3
GND
MIPI_TDP2
MIPI_TDN2
GND
MIPI_TDP1
MIPI_TDN1
GND
LDO15A_1V8
LCM _ LED+
LCM _LED-
1
2
3
4
5
6
7
8
9
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
MIPI_TDP0
MIPI_TDN0
GND
MIPI_TCP
MIPI_TCN
29
28
30
3
4
5
6
3
4
5
6
3
4
5
6
3
4
5
6
DSI_LN1_N
DSI_LN1_P
DSI_LN0_N
DSI_LN0_P
1
2
3
4
5
6
11
1
2
1
2
1
2
1
2
100 nF
4.7
μF
1
μF
Module
LCM
FL1
FL2
FL3
FL4
FL5
EMI filter
C3
C2
C1
NC
GND
GND
GND
GND
ADC
31
32
33
34
DSI
GND
LDO_IOVDD
NM
LCM_2V8
OUT
GND
IN
EN
LDO
VPH_PWR
GPIO
1
μF
C4
Figure 19: Reference Circuit Design for LCM Interface
MIPI are high-speed signal lines. It is recommended to add common-mode filters in series near the LCM
connector, to improve protection against electromagnetic radiation interference.
DSI_LN2_P
59
AO
LCD MIPI lane 2 data (+)
-
DSI_LN3_N
60
AO
LCD MIPI lane 3 data (-)
-
DSI_LN3_P
61
AO
LCD MIPI lane 3 data (+)
-
PWM
29
DO
PWM output
1.8 V power domain.