Smart Module Series
SC262R_Series_Hardware_Design 66 / 115
3.21. Sensor Interfaces
SC262R series module supports communication with sensors via I2C interfaces, and it supports ALS/PS
sensor, compass, accelerometer sensor, gyroscopic sensor, etc.
Table 24: Pin Definition of Sensor Interfaces
3.22. Audio Interfaces
SC262R series module provides three analog input channels and three analog output channels. The
following table shows the pin definition.
Table 25: Pin Definition of Audio Interfaces
Pin Name
Pin No.
I/O
Description
Comment
SENSOR_I2C_SCL
91
OD
I2C clock of 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 of external sensor
GPIO_43
107
DI
Light sensor interrupt
GPIO_44
109
DI
Direction sensor interrupt
GPIO_42
110
DI
Accelerometer sensor interrupt
GPIO_63
108
DI
Gyroscopic
sensor interrupt
Pin Name
Pin No.
I/O
Description
Comment
MIC1_P
4
AI
Microphone input for channel 1 (+)
MIC_GND
5
AI
Microphone reference ground
If it is not used,
connect it to the
ground.
MIC2_P
6
AI
Microphone input for headset (+)
