Sensor Interfaces; Audio Interfaces - Quectel SC200R Series Hardware Design

3.21. Sensor Interfaces

SC200R series module supports communication with sensors via I2C interfaces, and it supports ALS/PS,
compass, accelerometer, gyroscope, etc.
Table 27: 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

SC200R series module provides three analog input channels and three analog output channels. The
following table shows the pin definition.
Table 28: Pin Definition of Audio Interfaces
Pin Name Pin No.
MIC1_P 4
MIC_GND 5
MIC2_P 6
MIC_BIAS2 155
SC200R&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 Compass sensor interrupt
110 DI Accelerometer sensor interrupt
108 DI Gyroscope sensor interrupt
I/O Description
AI Microphone input for channel 1 (+)
AI Microphone reference ground
AI Microphone input for headset (+)
AO Microphone bias voltage 2
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.
V = 1.6–2.85 V
O
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