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MCLK
CAM1_
75
MCLK
CAM0_RST
79
CAM0_
80
PWD
CAM1_RST
81
CAM1_PW
82
D
CAM_I2C_
83
SCL
CAM_I2C_
84
SDA
Keypad Interfaces
Pin Name
Pin No.
PWRKEY
114
KEY_VOL_
95
UP
KEY_VOL_
96
DOWN
SENSOR_I2C Interfaces
Pin Name
Pin No.
SENSOR_
91
I2C_SCL
SENSOR_
92
I2C_SDA
ADC Interfaces
Pin Name
Pin No.
ADC
128
VBAT_SNS
133
SC20-WL_Hardware_Design
camera
Clock signal of front
DO
camera
Reset signal of rear
DO
camera
Power down signal
DO
of rear camera
Reset signal of front
DO
camera
Power down signal
DO
of front camera
I2C clock signal of
OD
camera
I2C data signal of
OD
camera
I/O
Description
Turn on/off the
DI
module
DI
Volume up
DI
Volume down
I/O
Description
I2C clock signal of
OD
external sensor
I2C data signal of
OD
external sensor
I/O
Description
General purpose
AI
ADC
AI
Input voltage sense
Smart Wi-Fi Module Series
SC20-WL Hardware Design
V
min=1.35V
OH
V
max=0.45V
OL
V
min=1.35V
OH
V
max=0.45V
OL
V
min=1.35V
OH
V
max=0.45V
OL
V
min=1.35V
OH
V
max=0.45V
OL
V
min=1.35V
OH
V
max=0.45V
OL
V
min=1.35V
OH
1.8V power
domain.
1.8V power
domain.
DC
Comment
Characteristics
Pull-up to 1.8V
V
max=0.63V
IL
internally.
V
min=1.17V
IH
Active low.
V
max=0.63V
If unused, keep this
IL
V
min=1.17V
pin open.
IH
V
max=0.63V
If unused, keep this
IL
V
min=1.17V
pin open.
IH
DC
Comment
Characteristics
1.8V power
domain.
1.8V power
domain.
DC
Comment
Characteristics
Maximum voltage
not exceeding 1.7V.
Maximum input
voltage is 4.5V.
26 / 81
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