LTE Standard Module Series
EG915U_Series_Hardware_Design 23 / 81
PSM_IND
1
DO
Indicate
the module’s
power saving mode
PSM_EINT
96
DI
External interrupt pin;
wake up the module from
PSM
Other Interfaces
Pin Name
Pin No.
I/O
Description
DC Characteristics Comment
W_DISABLE#
18
DI
Airplane mode control
V
IL
min = -0.3 V
V
IL
max = 0.6 V
V
IH
min = 1.26 V
V
IH
max = 2.0 V
1.8 V power
domain. Pulled
up by default.
When it is in low
voltage level, the
module can
enter airplane
mode. If unused,
keep it open.
When the pin is
powered on,
there will be a
period of time
when the level
status is
uncertain.
AP_READY
19
DI
Application processor
ready
V
IL
min = -0.3 V
V
IL
max = 0.6 V
V
IH
min = 1.26 V
V
IH
max = 2.0 V
1.8 V power
domain.
If unused, keep it
open.
When the PIN
pin is powered
on, there will be
a period of time
when the level
status is
uncertain.
GND
Pin Name
Pin No.
GND
3, 31, 48, 50, 54, 55, 58, 59, 61, 62, 67, 68, 69, 70, 71, 72, 73, 74, 79, 80, 81, 82, 89,
90, 91, 100, 101, 102
RESERVED
Pin Name
Pin No.