Sd Card Interface - SimCom SIM7100x EVB User Manual

4.10 SD card interface

J208 is the Micro SD card socket.
Table 14: Micro SD Card socket
Pin Signal
1 SD_D2
2 SD_D3
3 SD_CMD
4 VREG_SDCC
5 SD_CLK
6 GND
7 SD_D0
8 SD_D1
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Figure 14: SD card socket
Input/Output
I/O
I/O
O
O
O
I/O
I/O
22
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Description
Data line 2
Data line 3
Command line
Power supply for SD card
Clock line
Ground
Data line 0
Data line 1
2015-07-20