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VBAT_RF1
6
VBAT_RF2
VDD_WIFI_VL
VDD_WIFI_VM
VDD_WIFI_VH
VDD_EXT
GND
Turn On/Off
Pin Name
PWRKEY
RESET_N
Status Indication
Pin Name
6
VBAT_RF2 should be connected to an external VBAT power supply while Power Class 1.5 (optional) is designed;
otherwise, it is only used to connect decoupling capacitors.
RG520N-AT_Hardware_Design
Power supply for
229, 230,
the module's RF
PI
232, 233
part
Power supply for
107, 109,
the module's RF
PI
110, 112
part
Provides 0.95 V
266, 267
PO
for Wi-Fi/Bluetooth
modules
Provides 1.28 V
268
PO
for Wi-Fi/Bluetooth
modules
Provides 1.88 V
269
PO
for Wi-Fi/Bluetooth
modules
Provides 1.8 V for
66
PO
external circuits
12, 18, 26, 33, 42, 84, 90, 96, 113, 115, 116, 118, 119, 122–129, 131–134, 136,
137, 140–147, 149, 151, 152, 154–156, 158, 160, 161, 163, 164, 167–170, 172,
173, 176, 178, 179, 181, 182, 185, 187, 188, 190, 191, 194–197, 200, 202, 203,
205, 206, 209, 211, 212, 214, 215, 224, 226, 227, 228, 231, 234, 299–392
Pin No.
I/O
Description
Turns on/off the
7
DI
module
8
DI
Resets the module 1.8 V
Pin No.
I/O
Description
5G Module Series
Vmax = 4.4 V
Vmin = 3.3 V
Vnom = 3.8 V
Vmax = 4.4 V
Vmin = 3.3 V
Vnom = 3.8 V
Vnom = 0.95 V
I
max = 1.7 A
O
Vmax = 1.35 V
Power supply for
Vnom = 1.28 V
Wi-Fi/Bluetooth
I
max = 400 mA
modules.
O
Vnom = 1.88 V
I
max = 400 mA
O
Power supply for
external GPIO's
Vnom = 1.8 V
pull-up circuits.
I
max = 50 mA
A test point is
O
recommended to be
reserved.
DC
Comment
Characteristics
Internally pulled up
1.8 V high level
to 1.8 V.
Internally pulled up
to 1.8 V with a 40 kΩ
resistor.
A test point is
recommended to be
reserved if unused.
DC
Comment
Characteristics
20 / 109
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