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RESET_N
225
VOL_UP
95
VOL_DOWN
96
Sensor I2C Interface
Pin Name
Pin No.
SENSOR_I2C_
91
SCL
SENSOR_I2C_
92
SDA
Charging Interface
Pin Name
Pin No.
BAT_SNS
133
BAT_THERM
134
SC262R_Series_Hardware_Design
Reset the
DI
module
DI
Volume up
DI
Volume down
I/O
Description
I2C clock for
OD
external sensor
I2C data for
OD
external sensor
I/O
Description
Sensed battery
AI
voltage for
charger circuits
Battery
AI
temperature
detect
Smart Module Series
V
max = 0.63 V
IL
V
min = 1.17 V
IH
V
max = 0.63 V
IL
V
min = 1.17 V
IH
DC Characteristics
DC Characteristics
Disabled by default
and can be enabled
via software
configuration.
If it is not used,
keep it open.
Cannot be
externally pulled up.
1.8 V power
domain.
If it is not used,
keep it open.
Cannot be
externally pulled up.
1.8 V power
domain.
Comment
Dedicated for
external sensors.
Cannot be used for
touch panel, NFC,
I2C keyboard, etc.
Externally pull them
up to 1.8 V.
Comment
The maximum input
voltage is 4.2 V.
Internally pulled up.
Supports 47 kΩ
NTC thermistor by
default - externally
connect it to the
47 kΩ NTC
thermistor.
If it is not used,
connect it to GND
with a 47 kΩ
resistor.
31 / 115
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