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In this
mode, the c
Sleep Mode
e
During
this mode,
TCP/U
DP data fro
In this
mode, the p
Power Dow
wn
active.
The serial i
Mode
and VB
BAT_BB) rem
3.5. Pow
wer Savin
ng
3.5.1. Sle
eep Mode
e
EC25 is abl
e to reduce
its current c
section des
cribes EC25
5's power sa
3.5.1.1. UAR
RT Applicat
tion
If host com
mmunicates w
with module
enter into th
he sleep mod
de.
Execut
e AT comma
and AT+QSC
Drive D
DTR to high
level.
The followin
ng figure sho
ows the con
Driving
host DTR to
o low level w
When E
EC25 has U
URC to repo
about R
RI behavior.
AP_RE
EADY will de
etect the slee
EC25-A_Us
E
All manuals and user guides at all-guides.com
current cons
umption of t
the module
e can still r
m the netwo
ork normally
power mana
agement uni
interface is n
not accessib
mains applie
ed.
consumption
n to a minim
aving proced
dure.
e via UART
interface, t
CLK=1 to e
nable the sle
nection betw
ween the mo
Module
RXD
TXD
RI
DTR
AP_RE
EADY
GND
Figure 3: UA
F
ART Sleep
will wake up
p the module
ort, RI signa
al will wake
ep state of h
host (can be
ser_ManualC
Confidentia
the module w
will be reduc
ced to the m
receive pagi
ing messag
ge, SMS, vo
y.
t shuts dow
n the power
r supply. So
ble. Operatin
ng voltage (
(connected t
mum value du
uring the sle
eep mode. T
the following
g preconditi
ons can let
eep mode.
odule and th
he host.
Host
TXD
D
RXD
D
EIN
T
GPI
O
GPI
O
GND
D
Application
n
e.
up the host
t. Refer to C
Chapter 3.1
e configured
to high leve
el or low leve
al / Release
d
22 / 6
69
LTE Module
L
e
EC25-AU
ser Manua
al
minimal level
.
oice call and
d
ftware is no
ot
to VBAT_RF
F
The following
g
the module
e
16 for details
s
el detection)
).
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