Smart LTE Module Series
Smart EVB User Guide
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Figure 23: Pin Assignment of (U)SIM1 Card Connector (J503)
Table 7: Pin Assignment of (U)SIM1 Interface
(J503)
The pin assignment of (U)SIM2 interface (J504) is the same as that of (U)SIM1 interface (J503).
Pin No.
Pin Name
I/O
Description
C1
USIM_VDD
O
(U)SIM1 card power supply
C2
USIM_RST
O
(U)SIM1 card reset signal
C3
USIM_CLK
O
(U)SIM1 card clock signal
C5
GND
Ground
C6
VPP
Not connected
C7
USIM_DATA
I/O
Bi-directional data line
CD1
GND
GND
Ground
CD2
USIM_DETECT
I
(U)SIM1 card detection
NOTE
