Quectel EG91 Series Hardware Design page 28
Lte standard module
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Also See for EG91 Series:
- Hardware design (98 pages) ,
- Hardware design (94 pages) ,
- Hardware design (108 pages)
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USIM2_
83
PRESENCE
Main UART Interface
Pin Name
Pin No.
RI
39
DCD
38
CTS
36
RTS
37
DTR
30
TXD
35
RXD
34
Debug UART Interface
Pin Name
Pin No.
DBG_TXD
23
DBG_RXD
22
EG91_Series_Hardware_Design
(U)SIM card
DI
insertion detection
I/O
Description
DO
Ring indicator
Data carrier
DO
detection
DO
Clear to send
DI
Request to send
Data terminal
ready.
DI
Sleep mode
control.
DO
Transmit data
DI
Receive data
I/O
Description
DO
Transmit data
DI
Receive data
LTE Standard Module Series
EG91 Series Hardware Design
V
min=-0.3V
IL
V
max=0.6V
IL
V
min=1.2V
IH
V
max=2.0V
IH
DC Characteristics
V
max=0.45V
OL
V
min=1.35V
OH
V
max=0.45V
OL
V
min=1.35V
OH
V
max=0.45V
OL
V
min=1.35V
OH
V
min=-0.3V
IL
V
max=0.6V
IL
V
min=1.2V
IH
V
max=2.0V
IH
V
min=-0.3V
IL
V
max=0.6V
IL
V
min=1.2V
IH
V
max=2.0V
IH
V
max=0.45V
OL
V
min=1.35V
OH
V
min=-0.3V
IL
V
max=0.6V
IL
V
min=1.2V
IH
V
max=2.0V
IH
DC Characteristics
V
max=0.45V
OL
V
min=1.35V
OH
V
min=-0.3V
IL
V
max=0.6V
IL
1.8V power domain.
If unused, keep it
open.
Comment
1.8V power domain.
If unused, keep it
open.
1.8V power domain.
If unused, keep it
open.
1.8V power domain.
If unused, keep it
open.
1.8V power domain.
If unused, keep it
open.
1.8V power domain.
Require pull-up
resistor by default.
Low level wakes up
the module.
If unused, keep it
open.
1.8V power domain.
If unused, keep it
open.
1.8V power domain.
If unused, keep it
open.
Comment
1.8V power domain.
If unused, keep it
open.
1.8V power domain.
If unused, keep it
27 / 106
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