Quectel UMTS&LTE EVB - Page 29

UMTS/HSPA/LTE Module Series
UMTS&LTE EVB User Guide
UMTS&LTE_EVB_User_Guide Confidential / Released 28 / 44
The following figure shows the pin assignments of J702.
C1C2C3 C5C6C7
C1C2C3
C5C6C7
CD2CD1
Figure 21: Pin Assignments of J702
Table 7: Pin Definition of J702
Pin No.
Signal Name
I/O
Function
C1
USIM_VDD
PO
USIM card power supply, provided by
UMTS&LTE EVB
C2
USIM_RST
DO
USIM card reset
C3
USIM_CLK
DO
USIM card clock
C5
GND
/
Ground
C6
VPP
/
Not connected
C7
USIM_DATA
I/O
Data line, bi-directional
CD1
GND
GND
USIM card insertion detection
CD2
USIM_PRESENCE
I
USIM card insertion detection.
Support low level detection.
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