Sensor Interfaces; Audio Interfaces - Quectel SC262R Series Hardware Design

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
Pin Name
SENSOR_I2C_SCL
SENSOR_I2C_SDA
GPIO_43
GPIO_44
GPIO_42
GPIO_63

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.
MIC1_P 4
MIC_GND 5
MIC2_P 6
SC262R_Series_Hardware_Design
Pin No. I/O Description
91 OD I2C clock of external sensor
92 OD I2C data of external sensor
107 DI Light sensor interrupt
109 DI Direction sensor interrupt
110 DI Accelerometer sensor interrupt
Gyroscopic
108 DI
sensor interrupt
I/O Description
AI Microphone input for channel 1 (+)
AI Microphone reference ground
AI Microphone input for headset (+)
Smart Module Series
Comment
Dedicated for external
sensors.
Cannot be used for
touch panel, NFC, I2C
keyboard, etc.
Externally pull them up
to 1.8 V.
Comment
If it is not used,
connect it to the
ground.
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