User Manual

MeiG_SLM550_Hardware Design Manual
MeiG Smart Technology Co., Ltd 61/89
4.12 SD Card Interface
SLM550 supports SD card interface.
The reference circuit is as follows:
Figure 36 SD Card Interface Circuit
4.13 I2C Bus Interface
The SLM550 module supports five hardware I2C bus interfaces include two camera-specific CCI
interface. The pin definitions and default functions are as follows:
Table 14 I2C Interface Pin Description
Name Pin Default function
GPIO109_SENSOR_I2C4_SDA 92
Dedicated I2C for sensors only|( G-sensor, compass,
gyroscope, etc.)
GPIO110_SENSOR_I2C4_SCL 91
GPIO29_CAM_I2C_SDA0 84
Main Camera dedicated
GPIO30_CAM_I2C_SCL0 83
GPIO23_DCAM_I2C_SCL1 166
Depth Camera dedicated
GPIO22_DCAM_I2C_SDA1 205