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LTE Module Series
EG95 Hardware Design
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The following figure shows a reference design of (U)SIM2 interface with an 8-pin (U)SIM card connector.
Module
USIM2_VDD
USIM_GND
USIM2_RST
USIM2_CLK
USIM2_DATA
USIM2_PRESENCE
0R
0R
0R
VDD_EXT
51K
100nF
(U)SIM Card Connector
GND
GND
33pF 33pF 33pF
VCC
RST
CLK
IO
VPP
GND
GND
USIM2_VDD
15K
Figure 19: Reference Circuit of (U)SIM2 Interface with an 8-Pin (U)SIM Card Connector
If (U)SIM2 card detection function is not needed, please keep USIM2_PRESENCE unconnected. A
reference circuit of (U)SIM2 interface with a 6-pin (U)SIM card connector is illustrated in the following
figure.
reference circuit of (U)SIM2 interface with a 6-pin (U)SIM card connector is illustrated in the following
figure.
Module
USIM2_VDD
USIM_GND
USIM2_RST
USIM2_CLK
USIM2_CLK
USIM2_DATA
0R
0R
0R
100nF
(U)SIM Card Connector
GND
33pF 33pF 33pF
VCC
RST
CLK
IO
VPP
GND
GND
15K
USIM2_VDD
Figure 20: Reference Circuit of (U)SIM2 Interface with a 6-Pin (U)SIM Card Connector