Quectel UC20

UMTS/HSPA/LTE Module Series
UMTS&LTE EVB User Guide
UMTS&LTE_EVB_User_Guide Confidential / Released 20 / 32
Figure 15: Pins Assignment of USIM Card Holder
Table 7: Pin Assignment of J702
J702 Pin
Signal Name
I/O
Function
C1
USIM_VDD
O
USIM/SIM card power
C2
USIM_RST
O
USIM/SIM card reset
C3
USIM_CLK
O
USIM/SIM card clock
C5
GND
/
Ground
C6
VPP
/
Not connected
C7
USIM_DATA
I/O
Data line, bi-directional
CD1
GND
GND
USIM card detection
CD2
USIM_PRESENCE
I
USIM card detection
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