Turn On The Module Using Keystroke; Timing Of Turning On Module - Quectel EC25 series User Manual

The turn on scenario is
VBAT
PWRK
RESET
STAT
(OD)
UART
USB
NOTE
Make sure t that VBAT is
30ms.
S1
Figure 11: Turn on
illustrated in n the followi
NOTE E
≥ 100m
KEY
V ≤ 0.5
IL
T_N
US
Inactiv
Inactiv
Fig ure 12: Tim
s stable befo ore pulling d
E EC25-A_Us ser_ManualC
TVS
Close to S1
n the Modul le Using Ke
ng figure.
ms
V ≥ 1 .3V ≥
IH
5V
TBD
TB BD
ve
TB BD
v e
ming of Turn ning on Mod
down PWRK KEY pin. The
Confidentia al / Release
EC25-AU
PWRKEY Y
eystroke
Active A
Active A
dule
e time betwe een them is
d 29 / 6 69
LTE Module L e
ser Manua al
no less than n