Product Info

LTE Standard Module Series
EC25 Series Hardware Design
EC25_Series_Hardware_Design 36 / 134
V
IH
max = 2.0 V
SDC1_
DATA2
130
IO
WLAN SDIO data
bus D2
V
OL
max = 0.45 V
V
OH
min = 1.35 V
V
IL
min = -0.3 V
V
IL
max = 0.6 V
V
IH
min = 1.2 V
V
IH
max = 2.0 V
1.8 V power domain.
If unused, keep it
open.
SDC1_
DATA1
131
IO
WLAN SDIO data
bus D1
V
OL
max = 0.45 V
V
OH
min = 1.35 V
V
IL
min = -0.3 V
V
IL
max = 0.6 V
V
IH
min = 1.2 V
V
IH
max = 2.0 V
1.8 V power domain.
If unused, keep it
open.
SDC1_
DATA0
132
IO
WLAN SDIO data
bus D0
V
OL
max = 0.45 V
V
OH
min = 1.35 V
V
IL
min = -0.3 V
V
IL
max = 0.6 V
V
IH
min = 1.2 V
V
IH
max = 2.0 V
1.8 V power domain.
If unused, keep it
open.
SDC1_CLK
133
DO
WLAN SDIO bus
clock
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
If unused, keep it
open.
SDC1_CMD
134
DO
WLAN SDIO bus
command
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
If unused, keep it
open.
PM_ENABLE
127
DO
WLAN power control
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
If unused, keep it
open.
WAKE_ON_
WIRELESS
135
DI
Wake up the host
(EC25 series
module) by FC20
module
V
IL
min = -0.3 V
V
IL
max = 0.6 V
V
IH
min = 1.2 V
V
IH
max = 2.0 V
1.8 V power domain.
Active low.
If unused, keep it
open.
WLAN_EN
136
DO
WLAN function
control via FC20
module
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V 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 = -0.3 V
V
IL
max = 0.6 V
V
IH
min = 1.2 V
V
IH
max = 2.0 V
1.8 V power domain.
Cannot be pulled up
before startup.
If unused, keep it
open.