MeiG Smart product technical information
SLM758
Hardware Design Guide
Page 57
4.13. SD Card Interface
SLM758 supports SD card interface and supports up to 64GB.
The reference circuit is as follows:
Figure 4.31: SD Card Interface Circuit
4.14 I2C Bus Interface
The SLM758 module supports four hardware I2C bus interfaces and one camera-specific
CCI interface. The pin definitions and default functions are as follows:
Table 4.11: I2C Interface Pin Description
Name
Pin
Default function
CAM_I2C_SDA0
105
Camera dedicated
CAM_I2C_SCL0
104
GPIO14_SENSOR_I2C4_SDA
17
General purpose I2C, default for sensor
GPIO15_SENSOR_I2C4_SCL
18
GPIO6_I2C2_SDA
13
General purpose I2C
GPIO7_I2C2_SCL
14
CAM_I2C_SDA1
96
Camera dedicated
CAM_I2C_SCL1
95
GPIO10_TP_I2C3_SDA
234
General purpose I2C, default for TP
GPIO11_TP_I2C3_SCL
233
GPIO18_NFC_I2C5_SDA
254
Universal I2C, default for NFC
GPIO19_NFC_I2C5_SCL
253
Note: To use the 2.2KΩ pull-up resistor to 1.8V when used as an I2C bus interface, refer to Table
3.1 - I2C Interface.
