Quectel EC200U Series Hardware Design page 30

WLAN_EN 136
Antenna Interface
Pin Name Pin No.
ANT_BT/WIFI_
35
SCAN
ANT_GNSS 47
ANT_MAIN 49
USB_BOOT
Pin Name Pin No.
USB_BOOT 115
Other Interface
Pin Name Pin No.
WAKEUP_IN 1
AP_READY 2
EC200U_Series_Hardware_Design
WLAN function
DO
enable control
I/O Description
The shared antenna
interface of
AIO
Bluetooth and Wi-Fi
Scan
GNSS antenna
AI
interface
Main antenna
AIO
interface
I/O Description
Control pin for the
DI module to enter
download mode
I/O Description
DI Wake up the module
Application
DI
processor ready
LTE Standard Module Series
V max = 2.0 V
IH
V max = 0.45 V
OL
V min = 1.35 V
OH
DC Characteristics
DC Characteristics
V min = -0.3 V
IL
V max = 0.6 V
IL
V min = 1.26 V
IH
V max = 2.0 V
IH
DC Characteristics
V min = -0.3 V
IL
V max = 0.6 V
IL
V min = 1.26 V
IH
V max = 2.0 V
IH
V min = -0.3 V
IL
V max = 0.6 V
IL
Comment
Bluetooth and Wi-Fi
Scan cannot be
used
simultaneously;
Wi-Fi Scan antenna
can
only receive but not
transmit.
50 Ω characteristic
impedance.
If unused, keep it
open.
50 Ω characteristic
impedance. If
unused, keep it
open.
50 Ω characteristic
impedance.
Comment
1.8 V power domain,
a circuit design for
entering download
mode should be
reserved.
Comment
1.8 V power domain.
Pull-up by default.
If unused, keep it
open.
1.8 V power domain.
If unused, keep it
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