Product Info

LTE Standard Module Series
EG95 Series Hardware Design
EG95_Series_Hardware_Design
29 / 99
V
IH
max = 2.0V
PCM Interface
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
PCM_DIN
6
DI
PCM data input
V
IL
min = -0.3 V
V
IL
max = 0.6 V
V
IH
min = 1.2 V
V
IH
max = 2.0 V
1.8 V power domain.
If unused, keep it
open.
PCM_DOUT
7
DO
PCM data output
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
If unused, keep it
open.
PCM_SYNC
5
IO
PCM data frame
synchronization
signal
V
OL
max = 0.45 V
V
OH
min = 1.35 V
V
IL
min = -0.3 V
V
IL
max = 0.6 V
V
IH
min = 1.2 V
V
IH
max = 2.0 V
1.8 V power domain.
In master mode, it is
an output signal. In
slave mode, it is an
input signal.
If unused, keep it
open.
PCM_CLK
4
IO
PCM clock
V
OL
max = 0.45 V
V
OH
min = 1.35 V
V
IL
min = -0.3 V
V
IL
max = 0.6 V
V
IH
min = 1.2 V
V
IH
max = 2.0 V
1.8 V power domain.
In master mode, it is
an output signal. In
slave mode, it is an
input signal.
If unused, keep it
open.
I2C Interface
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
I2C_SCL
40
OD
I2C serial clock.
Used for external
codec
An external pull-up to
1.8 V is required.
If unused, keep it
open.
I2C_SDA
41
OD
I2C serial data.
Used for external
codec
An external pull-up to
1.8 V is required.
If unused, keep it
open.
ADC Interface
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
ADC0
24
AI
General purpose
analog to digital
Voltage range:
0.3 V to VBAT_BB
If unused, keep it
open.