Product Info
Smart Module Series
SC200R Series Hardware Design
SC200R_Series_Hardware_Design 31 / 125
Pin Name Pin No. I/O Description DC Characteristics Comment
SENSOR_I2C_
SCL
91 OD
I2C clock for
external sensor
Dedicated for
external sensors.
Cannot be used for
touch panel, NFC,
I2C keyboard, etc.
Externally pull them
up to 1.8 V.
SENSOR_I2C_
SDA
92 OD
I2C data for
external sensor
Charging Interface
Pin Name Pin No. I/O Description DC Characteristics Comment
BAT_SNS 133 AI
Battery voltage
detect
The maximum input
voltage is 4.2 V.
BAT_THERM 134 AI
Battery
temperature
detect
Internally pulled up.
Externally connect it
to the 47 kΩ NTC
thermistor.
If it is not used,
connect it to GND
with a 47 kΩ
resistor.
BAT_ID 185 AI
Battery type
detect
V
OL
min = 0.1 V
V
OH
max = 1.7 V
Internal pulled down
with a 100 kΩ
resistor.
If it is not used,
keep it open.
CHG_SEL 127 DI Charger select
If you use an
internal charging
chip, keep this pin
open.
If you use an
external charging
chip, connect it to
GND.
ADC Interface
Pin Name Pin No. I/O Description DC Characteristics Comment
ADC 128 AI Generic ADC
The maximum input
voltage is 1.7 V.
Antenna Interfaces