LTE Standard Module Series
EC200U_Series_Hardware_Design 24 / 94
SDIO1_CMD
33
DIO
SDIO command
SDIO1_VDD
34
PO
SDIO power supply
WLAN
Interface
*
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
WLAN_SLP_
CLK
118
DO
WLAN sleep clock
If unused, keep it
open.
WLAN_PWR_
EN
127
DO
WLAN power supply
enable control
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
If unused, keep it
open.
SDIO2_DATA3
129
DIO
WLAN SDIO
data bit 3
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 = 1.26 V
V
IH
max = 2.0 V
1.8 V power domain.
If unused, keep them
open.
SDIO2_DATA2
130
DIO
WLAN SDIO
data bit 2
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 = 1.26 V
V
IH
max = 2.0 V
SDIO2_DATA1
131
DIO
WLAN SDIO
data bit 1
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 = 1.26 V
V
IH
max = 2.0 V
SDIO2_DATA0
132
DIO
WLAN SDIO
data bit 0
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 = 1.26 V
V
IH
max = 2.0 V
SDIO2_CLK
133
DO
WLAN SDIO CLK
V
OL
max = 0.45 V
V
OH
min = 1.35 V
SDIO2_CMD
134
DO
WLAN SDIO
command
V
OL
max = 0.45 V
V
OH
min = 1.35 V
WLAN_WAKE
135
DI
Wake up the module
by an external Wi-Fi
module
V
IL
min = -0.3 V
V
IL
max = 0.6 V
V
IH
min = 1.26 V
1.8 V power domain.
If unused, keep it
open.
