Product Info

Automotive Module Series
AG35 Hardware Design
AG35_Hardware_Design 30 / 129
PCM_SYNC
65
IO
PCM data frame
synchronization
signal
V
OL
max=0.45V
V
OH
min=1.35V
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
1.8V power domain.
In master mode, it is
an output signal. In
slave mode, it is an
input signal.
If unused, keep it
open.
PCM_IN
66
DI
PCM data input
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
1.8V power domain.
If unused, keep it
open.
PCM_CLK
67
IO
PCM clock
V
OL
max=0.45V
V
OH
min=1.35V
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
1.8V power domain.
In master mode, it is
an output signal. In
slave mode, it is an
input signal.
If unused, keep it
open.
PCM_OUT
68
DO
PCM data output
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
If unused, keep it
open.
MCLK
152
DO
Output 12.288MHZ
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
If unused, keep it
open.
I2C1 Interface (for Codec Configuration by Default)
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
I2C1_SDA
42
IO
I2C1 serial data.
Used for external
codec.
V
OL
max=0.45V
V
OH
min=1.35V
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
External pull-up
resistor is required.
1.8V only. If unused,
keep it open.
I2C1_SCL
43
DO
I2C1 serial clock.
Used for external
codec.
V
OL
max=0.45V
V
OH
min=1.35V
External pull-up
resistor is required.
1.8V only. If unused,
keep it open.
I2C2 Interface
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
I2C2_SDA
73
IO
I2C2 serial data
V
OL
max=0.45V
V
OH
min=1.35V
External pull-up
resistor is required.