LTE-A Module Series
EG18 Hardware Design
EG18_Hardware_Design 28 / 104
ANT_ MIMO1
101
AI
Support all band 4x4
MIMO antenna
interface
them open.
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.
If unused, keep it
open.
WAKE_ON_
WIRELESS
160
DI
Wake up the host
(EG18) by an external
Wi-Fi module
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
1.8V power domain.
Active low.
If unused, keep it
open.
WLAN_SLP_
CLK
169
DO
WLAN sleep clock
V
OL
max=0.45V
V
OH
min=1.35V
If unused, keep it
open.
ADC Interfaces
Pin Name
Pin No.
I/O
Description
DC Characteristics Comment
ADC0
173
AI
General purpose
analog to digital
converter interface
Voltage range:
0V to 1.875V
If unused, keep it
open.
ADC1
175
AI
General purpose
analog to digital
converter interface
Voltage range:
0V to 1.875V
If unused, keep it
open.