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RTS
65
DTR
66
TXD
67
RXD
68
Debug UA
ART Interfac
ce
Pin Name
Pin No
o.
DBG_TXD
D
12
DBG_RXD
D
11
ADC Inter
rface
Pin Name
Pin No
o.
ADC0
45
ADC1
44
PCM Inter
rface
Pin Name
Pin No
o.
EC25-A_Us
E
All manuals and user guides at all-guides.com
DI
Request to
send.
Data termin
nal
DI
ready,sleep
mode
control.
DO
Transmit da
ata.
DI
Receive dat
ta.
I/O
Description
n
DO
Transmit da
ata.
DI
Receive dat
ta.
I/O
Description
n
General pur
rpose
AI
analog to di
igital
converter.
General pur
rpose
AI
analog to di
igital
converter.
I/O
Description
n
ser_ManualC
Confidentia
open.
V
min=-0.3
3V
IL
1.8V powe
V
max=0.6
V
IL
If unused,
V
min=1.2V
V
IH
open.
V
max=2.0
0V
IH
1.8V powe
V
min=-0.3
3V
Pull-up by
IL
V
max=0.6
V
Low level w
IL
V
min=1.2V
V
the module
IH
V
max=2.0
0V
If unused,
IH
open.
1.8V powe
V
max=0.4
45V
OL
If unused,
V
min=1.3
35V
OH
open.
V
min=-0.3
3V
IL
1.8V powe
V
max=0.6
V
IL
If unused,
V
min=1.2V
V
IH
open.
V
max=2.0
0V
IH
DC Charac
cteristics
Comment
1.8V powe
V
max=0.4
45V
OL
If unused,
V
min=1.3
35V
OH
open.
V
min=-0.3
3V
IL
1.8V powe
V
max=0.6
V
IL
If unused,
V
min=1.2V
V
IH
open.
V
max=2.0
0V
IH
DC Charac
cteristics
Comment
Voltage ran
ge:
If unused,
0.3V to VBA
AT_BB
open.
Voltage ran
ge:
If unused,
0.3V to VBA
AT_BB
open.
DC Charac
cteristics
Comment
al / Release
d
19 / 6
69
L
LTE Module
e
EC25-AU
ser Manua
al
er domain.
keep it
er domain.
default.
wakes up
e.
keep it
er domain.
keep it
er domain.
keep it
t
er domain.
keep it
er domain.
keep it
t
keep it
keep it
t
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