Quectel EC25 series

The followi
n
codec desi
g
Table 14:
P
Pin Name
PCM_IN
E
PC
M
PC
M
PC
M
PC
PCM
_
PCM_
PCM
_
PCM
_
n
g table sh
o
g
n.
P
in Definiti
o
Pin
N
24
E
C25-A_U
s
M
_CLK
M
_SYNC
M
_OUT
M
_IN
_
CLK
SYNC
_
OUT
_
IN
o
ws the pin
o
n of PCM
a
N
o. I/O
DI
s
e
r
_Manual
C
MS B
12
MS B
Figure 22:
MS B
MS B
12
Figure 23:
A
definition
o
a
nd I2C Int
e
Descri
PCM d
C
onfidenti
a
LS
125us
LS
Primary M
o
125us
A
uxiliary
M
o
f PCM an
d
e
rface
ption
ata input
a
l / Release
B
256255
B
o
de Timin
g
L
1
15
L
M
ode Timin
g
d
I2C interf
a
d 39 /
6
MS B
MS B
g
L
SB
1
6
L
SB
g
a
ce which c
Commen
1.8V pow
e
L
EC25-AU
6
9
an be appli
t
e
r domain
L
TE Modul
e
ser Manu
a
ed on audi
o
e
a
l
o