Quectel LTE-A Series Hardware Design page 31
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- Hardware design (88 pages) ,
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- Hardware design (86 pages)
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Antenna Tuner Control Interfaces* (RFFE Interface/GPIO Interface)
Pin Name
Pin Name
RFFE_CLK
71
RFFE_DATA
73
GPIO_3
159
GPIO_4
161
GPIO_5
172
Other Pins
Pin Name
Pin No.
USB_BOOT
140
SLEEP_IND
144
WAKEUP_IN
150
W_DISABLE#
151
EG18_Hardware_Design
I/O
Description
DO
RFFE serial
interface used for
external tuner
IO
control
IO
GPIO interface
IO
dedicated for
external tuner
control
IO
I/O
Description
Force the module
to enter
DI
emergency
download mode
DO
Sleep indication
Sleep mode
DI
control
Airplane mode
DI
control
LTE-A Module Series
EG18 Hardware Design
DC Characteristics
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
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
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
V
min=-0.3V
IL
V
max=0.6V
IL
V
min=1.2V
IH
V
max=2.0V
IH
Comment
If unused, keep
them open.
If unused, keep
them open.
Comment
1.8V power domain.
Active high
If unused, keep it
open.
1.8V power domain.
If unused, keep it
open.
1.8V power domain.
Pulled up by
default.
Low level wakes up
the module.
If unused, keep it
open.
1.8V power domain.
Pulled up by
default.
In low voltage level,
the module will
enter airplane
mode.
If unused, keep it
open.
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