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SD_CMD
69
SD_DATA0
68
SD_DATA1
67
SD_DATA2
66
SD_DATA3
65
SD_DET
64
SD_LDO11
63
SD_LDO12
179
TP (Touch Panel) Interfaces
Pin Name
Pin No.
TP0_RST
138
TP0_INT
139
TP0_I2C_
140
SCL
SC650T_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
Power supply for SD
PO
card
PO
1.8V/2.95V output
I/O
Description
Reset signal of
DO
touch panel (TP0)
Interrupt signal of
DI
touch panel (TP0)
I2C clock signal of
OD
touch panel (TP0)
Smart LTE Module Series
SC650T Hardware Design
2.95V SD card：
V
max=0.37V
OL
V
min=2.2V
OH
1.8V SD card：
V
max=0.58V
IL
V
min=1.27V
IH
V
max=0.45V
OL
V
min=1.4V
OH
2.95V SD card：
V
max=0.73V
IL
V
min=1.84V
IH
V
max=0.37V
OL
V
min=2.2V
OH
1.8V SD card：
V
max=0.58V
IL
V
min=1.27V
IH
V
max=0.45V
OL
V
min=1.4V
OH
2.95V SD card：
V
max=0.73V
IL
V
min=1.84V
IH
V
max=0.37V
OL
V
min=2.2V
OH
V
max=0.63V
IL
Active low.
V
min=1.17V
IH
Vnorm=2.95V
I
max=800mA
O
Vnorm=1.8V/2.95
Power supply for SD
V
card's pull-up circuit.
I
max=50mA
O
DC
Comment
Characteristics
V
max=0.45V
1.8V power domain.
OL
V
min=1.35V
Active low.
OH
V
max=0.63V
IL
1.8V power domain.
V
min=1.17V
IH
1.8V power domain.
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