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