Product Info

LTE-A Module Series
EG12 Hardware Design
EG12_Hardware_Design 31 / 100
3.4. Operating Modes
The table below summarizes different operating modes of EG12.
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
USB_BOOT
140
DI
Force the module
to enter into
emergency
download mode
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
1.8V power domain.
Active high
If unused, keep it
open.
SLEEP_IND
144
DO
Sleep indication
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
If unused, keep it
open.
WAKEUP_IN
150
DI
Sleep mode
control
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
1.8V power domain.
Pulled up by
default.
Low level wakes up
the module.
If unused, keep it
open.
W_DISABLE
#
151
DI
Airplane mode
control
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
1.8V power domain.
Pulled up by
default.
In low voltage level,
the module can
enter into airplane
mode.
If unused, keep it
open.
RESERVED Pins
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
RESERVED
4, 6~9, 11, 12,
14, 15, 18~23,
72, 91, 95,
134, 176,
192~195,
197~201,
209~213
Reserved
Keep these pins
unconnected.