Smart Module Series
SC262R_Series_Hardware_Design 28 / 115
SD_DATA3
44
DIO
SDIO data bit 3
2.95 V SD card:
V
IL
max = 0.73 V
V
IH
min = 1.84 V
V
OL
max = 0.37 V
V
OH
min = 2.2 V
SD_DET
45
DI
SD card hot-plug
detect
V
IL
max = 0.63 V
V
IH
min = 1.17 V
Active low.
Touch Panel Interface
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
TP_INT
30
DI
TP interrupt
V
IL
max = 0.63 V
V
IH
min = 1.17 V
1.8 V power
domain.
TP_RST
31
DO
TP reset
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power
domain.
Active low.
TP_I2C_SCL
47
OD
TP I2C clock
Externally pull them
up to 1.8 V.
Can be used for
other I2C devices.
TP_I2C_SDA
48
OD
TP I2C data
LCM Interface
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
PWM
29
DO
PWM output
V
OL
max = 0.45 V
V
OH
max = VBAT_BB
Adjusts backlight
brightness.
LCD_RST
49
DO
LCD reset
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power
domain.
LCD_TE
50
DI
LCD tearing effect
V
IL
max = 0.63 V
V
IH
min = 1.17 V
DSI_CLK_N
52
AO
LCD MIPI clock (-)
DSI_CLK_P
53
AO
LCD MIPI clock (+)
DSI_LN0_N
54
AO
LCD MIPI data 0
(-)
DSI_LN0_P
55
AO
LCD MIPI data 0
(+)
DSI_LN1_N
56
AO
LCD MIPI data 1
(-)
DSI_LN1_P
57
AO
LCD MIPI data 1
(+)
DSI_LN2_N
58
AO
LCD MIPI data 2
(-)
