Smart Module Series
SC690A_Series_Hardware_Design 67 / 105
4.12. Sensor Interfaces
The module supports communication with sensors via I2C interface, and it supports various sensors
such as acceleration sensor, gyroscopic sensor, compass, light sensor, temperature sensor, etc.
Table 25: Pin Definition of Sensor Interfaces
4.13. Flash Interfaces
The module supports 2 flash LED drivers, with maximal output current up to 1.5 A per channel. The
default output current is 1000 mA in flash mode and 300 mA in torch mode.
Table 26: Pin Definition of Flash Interfaces
Pin Name
Pin No. I/O
Description
Comment
SENSOR_I2C_SCL
131
OD
I2C clock signal of external sensor
1.8 V power domain.
SENSOR_I2C_SDA
132
OD
I2C data signal of external sensor
1.8 V power domain.
GPIO_35
253
DI
Can be multiplexed into ALPS_INT,
used as light sensor interrupt
GPIO_34
254
DI
Can be multiplexed into MAG_INT,
used as geomagnetic sensor interrupt
GPIO_33
137
DI
Can be multiplexed into GYRO_INT,
used as gyroscopic sensor interrupt
GPIO_32
237
DI
Can be multiplexed into ACCEL_INT,
used as acceleration sensor interrupt
Pin Name
Pin No.
I/O
Description
Comment
FLASH1_LED
26
AO
Flash/torch driver output
Support flash and torch modes.
2 × 1.5 A (maximum 1.5 A
combined)
FLASH2_LED
228
AO
Flash/torch driver output
