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UMTS/HSPA Module Series
UC20 EVB User Guide
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Figure 15: Pins Assignment of SIM Card Holder
Table 7: Pin Assignment of J502
J502 Pin
1
2
3
4
5
6
7
8
Signal Name
I/O
Function
GND
/
Ground.
VPP
/
Not connected.
SIM_DATA
I/O
Data line, bi-directional.
SIM_CLK
O
SIM card clock.
SIM_RST
O
SIM card reset.
SIM_VDD
O
SIM card power, generated by the
UMTS module.
/
Connected to GND. When the SIM
card cover is inserted, pin 7 is
connected to pin 8.
I
SIM card detection.
SIM_PRESENCE
NOTES
1. UC20 Mini PCIe does not support SIM card detection.
2. The SIM card detection function of UC20-TE-A is disabled by default.
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