Quectel EG25-G - Page 27

LTE Module Series
EG25-G Hardware Design
EG25-G_Hardware_Design 26 / 100
V
IH
min=1.2V
V
IH
max=2.0V
SDC1_CLK
133
DO
WLAN SDIO bus
clock
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
If unused, keep it
open.
SDC1_CMD
134
DO
WLAN SDIO bus
command
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
If unused, keep it
open.
WAKE_ON_
WIRELESS
135
DI
Wake up the host
(EG25-G module) by
FC20 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_EN
136
DO
WLAN function
control via FC20
module
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
Active high.
Cannot be pulled up
before startup.
If unused, keep it
open.
COEX_UART_
RX
137
DI
LTE/WLAN&BT*
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.
Cannot be pulled up
before startup.
If unused, keep it
open.
COEX_UART_
TX
138
DO
LTE/WLAN&BT*
coexistence signal
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
Cannot be pulled up
before startup.
If unused, keep it
open.
BT_RTS*
37
DI
BT UART request to
send
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.
BT_TXD*
38
DO
BT UART transmit
data
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
If unused, keep it
open.
BT_RXD*
39
DI
BT UART receive
data
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.
BT_CTS*
40
DO
BT UART clear to
send
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
Cannot be pulled up
before startup.
If unused, keep it