Quectel RM520N-GL Hardware Design page 24

7 USB_DP
8 W_DISABLE1#
9 USB_DM
10 LED_WWAN#
11 GND
12 Notch
13 Notch
14 Notch
15 Notch
16 Notch
17 Notch
18 Notch
19 Notch
20 RESERVED
21 CONFIG_0
22 RESERVED
23 WAKE_ON_WAN#
24 VDDIO_1V8
25 DPR*
26 W_DISABLE2#*
27 GND
28 RESERVED
29 USB_SS_TX_M
RM520N-GL_Hardware_Design
AIO USB differential data (+)
Airplane mode control.
DI
Active LOW
AIO USB differential data (-)
RF status indication
OD LED.
Active LOW
Ground
Notch
Notch
Notch
Notch
Notch
Notch
Notch
Notch
DO Not connected internally
Wake up the host.
OD
Active LOW
Power supply for
PO
Antenna tuner
Dynamic power
DI, PU reduction.
High level by default.
GNSS control.
DI
Active LOW
Ground
USB 3.1 super-speed
AO
transmit (-)
5G Module Series
1.8/3.3 V
VCC
1.8/3.3 V
Maximum output
1.8 V
current: 50 mA
1.8 V
1.8/3.3 V
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