User's Manual

LTE Module BEC CBRS-12 User Manual
26
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.
I2S_MCLK 152 DO Clock output
Provide a digital
clock output for an
external audio
codec.
If unused, keep it
open.
Antenna Interfaces
Pin Name Pin No. I/O Description DC Characteristics Comment
ANT_MAIN 107 IO
Support all band
main antenna
interface
50Ω impedance
ANT_DIV 127 AI
Support all band
RXD antenna
interface
50Ω impedance
If unused, keep
them open.
ANT_ MIMO1 101 AI
Support all band
4x4 MIMO
antenna interface
ANT_MIMO2 113 AI
Support all band
4x4 MIMO
antenna interface
ANT_GNSS 119 AI
GNSS antenna
interface
WLAN Control Interface*
Pin Name Pin No. I/O Description DC Characteristics Comment
WLAN_PWR_
EN
5 DO
WLAN power
supply enable
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
If unused, keep it