Usim Card Interface - SimCom SIM7100x EVB User Manual

4.3 USIM card interface

Table 4: The Pin Description of the SIM Card Socket
Pin Signal
V_USIM
1
2 USIM_RESET
3 USIM_CLK
4 GND
5 USIM_VPP
6 USIM_DATA
SIM7100x EVB User Guide
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Figure 7: SIM card socket
Input/Output
O
O
O
I/O
14
Smart Machine Smart Decision
Description
USIM Card Power output automatic
output on USIM mode，one is
3.0V±10%, another is 1.8V±10%.
Current is about 10mA.
USIM Card Reset
USIM Card Clock
Ground
Not connect
USIM Card data I/O
2015-07-20