Product Info

LTE-A Module Series
EG12 Hardware Design
EG12_Hardware_Design 28 / 100
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
control
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
If unused, keep it
open.
COEX_UART_
TX
145
DO
LTE/WLAN
coexistence signal
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
If unused, keep it
open.
COEX_UART_
RX
146
DI
LTE/WLAN
coexistence signal
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.
WLAN_EN
149
DO
WLAN function
enable control
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
Active high.