User's Manual

LTE Module Series
BG96 Hardware Design
BG96_Hardware_Design Confidential / Released 23 / 71
GPIO/
SPI_CLK*
26
DO
GPIO/SPI
master clock
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
If unused, keep it open.
UART3_TXD/
SPI_MOSI*
27
DO
Transmit data/
Master Out
Salve In of SPI
interface
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
If unused, keep it open.
UART3_RXD/
SPI_MISO*
28
DI
Receive data/
Master In Slave
Out of SPI
interface
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.
I2S* Interface
Pin Name
Pin No.
I/O
Description
DC
Characteristics
Comment
I2S_MCLK*
63
DO
I2S master
clock
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
If unused, keep it open.
I2S_BCLK*
4
DO
I2S bit clock
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
If unused, keep it open.
I2S_WCLK*
5
DO
I2S data frame
clock
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
If unused, keep it open.
I2S_D0*
6
IO
I2S data 0
V
IL
max=0.6V
V
IH
min=1.2V
V
OL
max=0.45V
V
IH
min=1.35V
1.8V power domain.
If unused, keep it open.
I2S_D1*
7
IO
I2S data 1
V
IL
max=0.6V
V
IH
min=1.2V
V
OL
max=0.45V
V
IH
min=1.35V
1.8V power domain.
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.
External pull-up resistor is
required.
1.8V only. If unused, keep
it open.
I2C_SDA
41
OD
I2C serial data.
Used for
external codec.
External pull-up resistor is
required.
1.8V only. If unused, keep
it open.
Antenna Interfaces
Pin Name
Pin No.
I/O
Description
DC
Characteristics
Comment