Design Considerations For Usim Connector - Quectel UC20 Manual

3.11.2. Design Considerations for USIM Connector

For 8-pin USIM connector, it is recommended to use Molex 91228. Please visit http://www.molex.com for
more information.
Table 13: Pin Description of Molex USIM Connector
Name
VDD
RST
CLK
/
GND
VPP
DATA I/O
/
UC20_Hardware_Design
Figure 24: Molex 91228 USIM Connector
Pin Function
C1 USIM card power supply.
C2 USIM card reset.
C3 USIM card clock.
C4 Not defined.
C5 Ground.
C6 Not connected.
C7 USIM card data.
Pull-down GND with external circuit. When the tray is present, C4
C8
is connected to C8.
Confidential / Released
UMTS/HSPA Module Series
UC20 Hardware Design
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