Lcm Interface - Quectel SC200L-EM Hardware Design

3.16. LCM Interface

SC200L provides an LCM interface, which is MIPI_DSI standard compliant. The interface supports
high-speed differential data transmission and supports HD+ display (1440x720 @60fps). The pin
definition of the LCM interface is shown below.
Table 18: Pin Definition of LCM Interface
Pin Name
LDO2_1V8
LDO4_2V8
PWM
LCD_RST
LCD_TE
DSI_CLK_N
DSI_CLK_P
DSI_LN0_N
DSI_LN0_P
DSI_LN1_N
DSI_LN1_P
DSI_LN2_N
DSI_LN2_P
DSI_LN3_N
DSI_LN3_P
SC200L_Hardware_Design
Pin No I/O
125 PO
156 PO
29 DO
49 DO
50 DI
52 AO
53 AO
54 AO
55 AO
56 AO
57 AO
58 AO
59 AO
60 AO
61 AO
Description
1.80 V output;Provide
enable signal for external
LCD I/O port power supply
2.80V output power supply
for LCD VCC
Adjust the backlight
brightness,PWM control
signal
LCD reset signal
LCD tearing effect signal
LCD MIPI clock signal (-)
LCD MIPI clock signal (+)
LCD MIPI data signal 0 (-)
LCD MIPI data signal 0 (+)
LCD MIPI data signal 1 (-)
LCD MIPI data signal 1 (+)
LCD MIPI data signal 2 (-)
LCD MIPI data signal 2 (+)
LCD MIPI data signal 3 (-)
LCD MIPI data signal 3 (+)
SC200L Hardware Design
Comment
Vnorm = 1.80 V
I max = 500 mA
O
Vnorm = 2.80 V
I max = 200 mA
O
1.85 V voltage domain
Can be used as ordinary
GPIO
1.85 V voltage domain
Can be used as ordinary
GPIO
1.85 V voltage domain
Can be used as ordinary
GPIO
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