Quectel EG91 Series Hardware Design page 27
Lte standard module
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- Hardware design (98 pages) ,
- Hardware design (94 pages) ,
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USIM1_RST
44
USIM1_
42
PRESENCE
USIM2_VDD
87
USIM2_DATA
86
USIM2_CLK
84
USIM2_RST
85
EG91_Series_Hardware_Design
Reset signal of
DO
(U)SIM card
(U)SIM card
DI
insertion detection
Power supply for
PO
(U)SIM card
Data signal of
IO
(U)SIM card
Clock signal of
DO
(U)SIM card
Reset signal of
DO
(U)SIM card
LTE Standard Module Series
EG91 Series Hardware Design
For 1.8V (U)SIM:
V
max=0.45V
OL
V
min=1.35V
OH
For 3.0V (U)SIM:
V
max=0.45V
OL
V
min=2.55V
OH
V
min=-0.3V
IL
V
max=0.6V
IL
V
min=1.2V
IH
V
max=2.0V
IH
For 1.8V (U)SIM:
Vmax=1.9V
Vmin=1.7V
For 3.0V (U)SIM:
Vmax=3.05V
Vmin=2.7V
I
max=50mA
O
For 1.8V (U)SIM:
V
max=0.6V
IL
V
min=1.2V
IH
V
max=0.45V
OL
V
min=1.35V
OH
For 3.0V (U)SIM:
V
max=1.0V
IL
V
min=1.95V
IH
V
max=0.45V
OL
V
min=2.55V
OH
For 1.8V (U)SIM:
V
max=0.45V
OL
V
min=1.35V
OH
For 3.0V (U)SIM:
V
max=0.45V
OL
V
min=2.55V
OH
For 1.8V (U)SIM:
V
max=0.45V
OL
V
min=1.35V
OH
For 3.0V (U)SIM:
V
max=0.45V
OL
V
min=2.55V
OH
1.8V power domain.
If unused, keep it
open.
Either 1.8V or 3.0V is
supported by the
module automatically.
26 / 106
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