PCM_IN
PCM_OUT
PCM_SYN
PCM_CLK
I2C Interfa
Pin Name
I2C_SCL
I2C_SDA
RF Interfa
Pin Name
ANT_DIV
ANT_MAIN
ANT_GNS
GPIO Pins
Pin Name
E
24
T 25
NC 26
K 27
ace
Pin No
41
42
ace
Pin
No
35
N 49
SS 47
s
Pin N
EC25-A_Us
DI
DO
IO
IO
o. I/O
OD
OD
o. I/O
AI
IO
AI
No. I/O
ser_ManualC
PCM data in
PCM data o
PCM data fr
sync signal.
PCM clock.
Description
I2C serial cl
Used for ex
codec.
I2C serial d
Used for ex
codec.
Description
Diversity an
Main antenn
GNSS ante
Description
Confidentia
nput.
output.
rame
.
n
lock.
xternal
ata.
xternal
n
ntenna.
na.
nna.
n
al / Release
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
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
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
DC Charac
50ohm impe
50ohm impe
50ohm impe
DC Charac
d 20 / 6
3V
V
V
0V
45V
35V
45V
35V
3V
V
V
0V
45V
35V
3V
V
V
0V
cteristics
cteristics
edance.
edance.
edance.
cteristics
L
EC25-AU
69
1.8V powe
If unused,
open.
1.8V powe
If unused,
open.
1.8V powe
In master
an output s
slave mod
input signa
If unused,
open.
1.8V powe
In master
an output s
slave mod
input signa
If unused,
open.
Comment
External p
resistor is
1.8V only.
keep it ope
External p
resistor is
1.8V only.
keep it ope
Comment
If unused,
open.
If unused,
open.
Comment
LTE Module
ser Manua
er domain.
keep it
er domain.
keep it
er domain.
mode, it is
signal. In
e, it is an
al.
keep it
er domain.
mode, it is
signal. In
e, it is an
al.
keep it
t
ull-up
required.
If unused,
en.
ull-up
required.
If unused,
en.
t
keep it
keep it
t
e
al
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