Product Info
LTE Module Series
EC25 Hardware Design
EC25_Hardware_Design 35 / 112
SDC1_
DATA1
131 IO
WLAN SDIO data
bus D1
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.
If unused, keep it
open.
SDC1_
DATA0
132 IO
WLAN SDIO data
bus D0
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.
If unused, keep it
open.
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.
PM_ENABLE 127 DO
External power
control
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
(EC25 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.
WLAN_SLP_
CLK
118 DO WLAN sleep clock
If unused, keep it
open.