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3.11. UA
ART Inter
rface
The module
e provides
two UART
following sh
hows the diff
ferent featur
Main U
UART interfa
ace supports
baud ra
ate, and the
e default is
commu
unication.
Debug
UART inte
erface suppo
output.
The followin
ng tables sho
ow the pin d
Table 11: P
Pin Definitio
on of the Ma
Pin Name
Pin N
No.
RI
62
DCD
63
CTS
64
RTS
65
DTR
66
TXD
67
RXD
68
Table 12: P
Pin Definitio
on of the De
Pin Name
Pin N
No.
DBG_TXD
D
12
DBG_RXD
D
11
The logic le
vels are des
scribed in th
EC25-A_Us
E
All manuals and user guides at all-guides.com
interfaces:
main UAR
res.
s 9600, 192
200, 38400,
115200bps.
This interfa
orts 115200
0bpsbaud ra
definition.
ain UART In
nterface
I/O
De
escription
DO
O
Rin
ng indicator
DO
O
Da
ata carrier de
DO
O
Cle
ear to send
DI
Re
equest to se
DI
Sle
eep mode co
DO
O
Tra
ansmit data
DI
Re
eceive data
ebug UART
T Interface
I/O
De
escription
DO
O
Tra
ansmit data
DI
Re
eceive data
e following t
table.
ser_ManualC
Confidentia
RT interface
and debug
g UART int
57600, 115
5200, 23040
00, 460800,
ace can be
used for da
ata transmiss
ate. It can
be used for
rLinux cons
Commen
t
1.8V powe
er domain
etection
1.8V powe
er domain
1.8V powe
er domain
nd
1.8V powe
er domain
ontrol
1.8V powe
er domain
1.8V powe
er domain
1.8V powe
er domain
Commen
t
1.8V powe
er domain
1.8V powe
er domain
al / Release
d
36 / 6
69
LTE Module
L
e
EC25-AU
ser Manua
al
terface. The
e
, 921600bps
s
sion and AT
T
sole and log
g
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