I2S Interfaces - Quectel SC66 Hardware Design

up to 1.8V voltage. The SENSOR_I2C interface only supports sensors of the aDSP architecture.
CAM_I2C bus is controlled by Linux Kernel code and supports connection to video output related devices.
Table 21: Pin Definition of I2C Interfaces
Pin Name Pin No
TP0_I2C_SCL 140
TP0_I2C_SDA 206
CAM_I2C_SCL0 75
CAM_I2C_SDA0 76
CAM_I2C_SCL1 196
CAM_I2C_SDA1 197
SENSOR_I2C_SCL 131
SENSOR_I2C_SDA 132
TP1_I2C_SCL 205
TP1_I2C_SDA 204

3.15. I2S Interfaces

SC66 provides two I2S interfaces with one of them is a low-power I2S. The reference power domain of
the interface is 1.8V.
Table 22: Pin Definition of I2S Interfaces
Pin Name Pin No I/O
MI2S_2_WS 203 DO
MI2S_2_DATA0 249 IO
MI2S_2_SCK 250 DO
SC66_Hardware_Design
I/O Description
OD TP I2C clock
OD TP I2C data
OD CAM I2C clock
OD CAM I2C data
OD CAM I2C clock
OD CAM I2C data
OD Sensor I2C clock
OD Sensor I2C data
OD TP I2C clock
OD TP I2C data
Description Comment
I2S word select (L/R)
I2S serial data0 channel
I2S serial clock
Smart LTE Module Series
SC66 Hardware Design
Comment
Used for TP0.
Used for rear and
front camera.
Used for depth
camera.
Used for sensor.
Cannot be
multiplexed into
general-purpose
GPIOs.
Used for TP1.
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