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USIM1_DATA
45
USIM1_CLK
46
USIM1_RST
44
USIM1_DET
42
USIM1_GND
47
USIM2_VDD
87
EG915U_Series_Hardware_Design
DIO
(U)SIM1 card data
DO
(U)SIM1 card clock
DO
(U)SIM1 card reset
(U)SIM1 card hot-plug
DI
detect
-
Ground
(U)SIM2 card power
PO
supply
LTE Standard Module Series
Vmin = 1.7 V
For 3.0 V (U)SIM:
Vmax = 3.05 V
Vmin = 2.7 V
For 1.8 V (U)SIM:
V
max = 0.6 V
IL
V
min = 1.26 V
IH
V
max = 0.45 V
OL
V
min = 1.35 V
OH
For 3.0 V (U)SIM:
V
max = 1.0 V
IL
V
min = 1.95 V
IH
V
max = 0.45 V
OL
V
min = 2.55 V
OH
For 1.8 V (U)SIM:
V
max = 0.45 V
OL
V
min = 1.35 V
OH
For 3.0 V (U)SIM:
V
max = 0.45 V
OL
V
min = 2.55 V
OH
For 1.8 V (U)SIM:
V
max = 0.45 V
OL
V
min = 1.35 V
OH
For 3.0 V (U)SIM:
V
max = 0.45 V
OL
V
min = 2.55 V
OH
V
min = -0.3 V
IL
V
max = 0.6 V
IL
V
min = 1.26 V
IH
V
max = 2.0 V
IH
-
Iomax = 50 mA
1.8 V (U)SIM：
Vmax = 1.9 V
Vmin = 1.7 V
3.0 V (U)SIM：
Vmax = 3.05 V
Vmin = 2.7 V
can be identified
automatically by
the module.
1.8 V power
domain. If
unused, keep
this pin open
Specified ground
for (U)SIM1 card
Either 1.8 V or
3.0 V (U)SIM
card is
supported and
can be identified
automatically by
the module.
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