state.
The followin
Sendin
When
E
3.5.1.4. USB
If host does
circuit to let
Execut
Ensure
Discon
The followin
E
ng figure sho
g data to EC
EC25has UR
B Applicatio
s not support
the module
e AT comma
e the DTR is
nect USB_V
ng figure sho
EC25-A_Us
ows the con
USB_V
USB
USB
AP_RE
Module
G
F
C25through
RC to report
on without
t USB suspe
e enter into s
and
AT+QSC
held in high
VBUS.
ows the con
USB
U
U
AP
Modu
Figure 6: S
ser_ManualC
nection betw
VBUS
B_DP
B_DM
EADY
GND
RI
Figure 5: Sl
USB will wa
t, RI signal w
USB Suspe
end function
sleep mode.
CLK=1
to e
h level or kee
nection betw
B_VBUS
USB_DP
USB_DM
P_READY
ule
RI
GND
Sleep Applic
Confidentia
ween the mo
eep Applica
ake up the m
will wake up
end Functio
n, you should
nable the sle
ep it open.
ween the mo
Power
Switch
cation witho
al / Release
odule and th
VDD
USB
USB
GPIO
GND
EINT
ation with R
module.
the host.
on
d disconnect
eep mode.
odule and th
VDD
USB_D
USB_D
GPIO
H
EINT
GPIO
GND
out Suspen
d 24 / 6
he host.
D
B_DP
B_DM
O
Host
D
T
RI
t USB_VBU
he host.
DP
DM
Host
nd Function
L
EC25-AU
69
S with addit
n
LTE Module
ser Manua
tional contro
e
al
ol
All manuals and user guides at all-guides.com