Smart LTE Module Series
SC600Y&SC600T Hardware Design
SC600Y&SC600T_Hardware_Design 34 / 128
SD_DATA3
65
IO
V
OH
min=2.2V
SD_DET
64
DI
SD card insertion
detection
V
IL
max=0.63V
V
IH
min=1.17V
Active low.
SD_LDO11
63
PO
Power supply for SD
card
Vnorm=2.95V
I
O
max=800mA
SD_LDO12
179
PO
1.8V/2.95V output
Vnorm=1.8V/2.95V
I
O
max=50mA
Power supply for SD
card’s pull
-up circuit.
TP (Touch Panel) Interfaces
Pin Name
Pin No.
I/O
Description
DC Characteristics Comment
TP0_RST
138
DO
Reset signal of
touch panel (TP0)
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
Active low.
TP0_INT
139
DI
Interrupt signal of
touch panel (TP0)
V
IL
max=0.63V
V
IH
min=1.17V
1.8V power domain.
TP0_I2C_SCL 140
OD
I2C clock signal of
touch panel (TP0)
1.8V power domain.
TP0_I2C_SDA 206
OD
I2C data signal of
touch panel (TP0)
1.8V power domain.
TP1_RST
136
DO
Reset signal of
touch panel (TP1)
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
Active low.
TP1_INT
137
DI
Interrupt signal of
touch panel (TP1)
V
IL
max=0.63V
V
IH
min=1.17V
1.8V power domain.
TP1_I2C_SDA 204
OD
I2C data signal of
touch panel (TP1)
1.8V power domain.
TP1_I2C_SCL 205
OD
I2C clock signal of
touch panel (TP1)
1.8V power domain.
LCM Interfaces
Pin Name
Pin No.
I/O
Description
DC Characteristics Comment
LCD_BL_A
21
PO
Current output for
LCD backlight
LCD_BL_K1
22
AI
Current sink for LCD
backlight
LCD_BL_K2
23
AI
Current sink for LCD
backlight