Smart Module Series
SC200L_Series(Dual-band Wi-Fi)_Hardware_Design 29 / 111
VOL_DOWN
96
DI
Volume down
V
IL
max = 0.48 V
V
IH
min = 1.39 V
If it is not used, keep it
open.
1.85 V power domain.
RGB LED Interfaces
Pin Name
Pin
No.
I/O
Description
DC Characteristics
Comment
RGB_B
249
AI
LED (-)
Connect it to the
negative pole of LED.
The maximum current is
27.7 mA.
RGB_R
252
AI
LED (-)
Connect it to the
negative pole of LED.
The maximum current is
27.7 mA.
RGB_G
253
AI
LED (-)
Connect it to the
negative pole of LED.
The maximum current is
27.7 mA.
SENSOR_I2C Interface
Pin Name
Pin
No.
I/O
Description
DC Characteristics
Comment
SENSOR_I2C_
SCL
91
OD
I2C clock for
external sensor
1.85 V power domain.
Can be used for other
I2C devices.
SENSOR_I2C_
SDA
92
OD
I2C data for
external sensor
I2C4 Interface
Pin Name
Pin
No.
I/O
Description
DC Characteristics
Comment
I2C4_SDA
106
OD
I2C4 data
1.85 V power domain.
I2C4_SCL
105
OD
I2C4 clock
1.85 V power domain.
ADC Interface
Pin Name
Pin
No.
I/O
Description
DC Characteristics
Comment
ADC
128
AI
General-purpose
ADC interface
The maximum input
voltage is 1.2 V.
Charging Interface
Pin Name
Pin
No.
I/O
Description
DC Characteristics
Comment