Quectel SC200L-EM Hardware Design page 17

SD_CMD 40
SD_DATA0 41
SD_DATA1 42
SD_DATA2 43
SD_DATA3 44
SD_DET 45
Touch Panel (TP) Interface
Pin Name Pin No.
TP_INT 30
TP_RST 31
TP_I2C_SCL 47
TP_I2C_SDA 48
LCM Interface
Pin Name Pin No.
SC200L_Hardware_Design
Command signal of
IO
SD card
IO
IO
High speed
IO
bidirectional digital
signal lines of SD
card
IO
SD card insertion
DI
detection
I/O Description
Interrupt signal of
DI
TP
DO Reset signal of TP
I2C clock signal of
OD
TP
I2C data signal of
OD
TP
I/O Description
SC200L Hardware Design
1.8 V SD card：
V max = 0.53 V
IL
V min = 1.30 V
IH
V max = 0.19 V
OL
V min = 1.58 V
OH
3.0 V SD card：
V max = 0.87 V
IL
V min = 2.17 V
IH
V max = 0.31 V
OL
V min = 2.61 V
OH
1.8 V SD card：
V max = 0.53 V
IL
V min = 1.30 V
IH
V max = 0.19 V
OL
V min = 1.58 V
OH
3.0 V SD card：
V max = 0.87 V
IL
V min = 2.17 V
IH
V max = 0.31 V
OL
V min = 2.61 V
OH
V max = 0.48 V
IL
V min = 1.39 V
IH
DC
Characteristics
V max = 0.48 V
IL
V min = 1.39 V
IH
V max = 0.20 V
OL
V min = 1.46 V
OH
DC
Characteristics
SD card insert
detection signal.
Active low.
Comment
1.85V power domain
Can be used as
ordinary GPIO.
1.85V power domain
Active low, Can be
used as ordinary
GPIO.
1.85V power domain,
Can be used as
ordinary GPIO.
Comment
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