Quectel EC25-AUX Hardware Design page 36

Other Interface Pins
Pin Name Pin No.
WAKEUP_IN 1
W_DISABLE# 4
AP_READY 2
USB_BOOT Interface
Pin Name Pin No.
USB_BOOT 115
RESERVED Pins
Pin Name Pin No.
3, 18, 43,
55, 73~84,
RESERVED 113, 114,
116, 117,
140-144.
EC25_Hardware_Design
I/O Description
DI Sleep mode control
Airplane mode
DI
control
Application
DI processor sleep
state detection
I/O Description
Force the module to
DI enter emergency
download mode
I/O Description
Reserved
LTE Standard Module Series
EC25 Hardware Design
DC Characteristics
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 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
DC Characteristics
Comment
1.8V power domain.
Cannot be pulled up
before startup.
Low level wakes up
the module.
If unused, keep it
open.
1.8V power domain.
Pull-up by default.
At low voltage level,
module can enter
airplane mode.
If unused, keep it
open.
1.8V power domain.
If unused, keep it
open.
Comment
1.8V power domain.
Cannot be pulled up
before startup.
It is recommended to
reserve test point.
Comment
Keep these pins
unconnected.
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