Product Info

Smart Module Series
SC200R Series Hardware Design
SC200R_Series_Hardware_Design 66 / 125
3.21. Sensor Interfaces
SC200R series module supports communication with sensors via I2C interfaces, and it supports ALS/PS,
compass, accelerometer, gyroscope, etc.
Table 26: Pin Definition of Sensor Interfaces
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 27: Pin Definition of Audio Interfaces
Pin Name Pin No. I/O Description 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
GPIO_43 107 DI Light sensor interrupt
GPIO_44 109 DI Compass sensor interrupt
GPIO_42 110 DI Accelerometer sensor interrupt
GPIO_63 108 DI Gyroscope sensor interrupt
Pin Name Pin No. I/O Description Comment
MIC1_P 4 AI Main microphone input (+)
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 (+)
MIC_BIAS2 155 AO Microphone bias voltage 2 V
O
= 1.6–2.85 V