Quectel EC200T Hardware Design page 22

Module
GND
USIM_VDD
USIM_RST
USIM_CLK
USIM_DET
USIM_DATA
Figure 4: Reference Circuit of (U)SIM Interface with an 8-pin (U)SIM Card Connector
If (U)SIM card detection function is not needed, please keep USIM_DET unconnected. A reference circuit
for (U)SIM interface with a 6-pin (U)SIM card connector is illustrated in the following figure.
Module
GND
USIM_VDD
USIM_RST
USIM_CLK
USIM_DATA
Figure 5: Reference Circuit of (U)SIM Interface with a 6-pin (U)SIM Card Connector
EC200T_Mini_PCIe_Hardware_Design
USIM_VDD
15K
0R
0R
0R
33pF 33pF 33pF
USIM_VDD
15K
0R
0R
0R
33pF 33pF 33pF
GND
LTE Standard Module Series
EC200T Mini PCIe Hardware Design
GND GND
(U)SIM Card Connector
VCC
RST
CLK
GND
100nF
(U)SIM Card Connector
VCC GND
RST VPP
IO
CLK
GND
100nF
GND
VPP
IO
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