User Guide

WE866C6 Hardware Design Guide
1VV0301658 Rev. 1 Page 15 of 58 2020-06-16
Pin
Pin Name
Pin Reference
Voltage
Pin
Type
Pin Description
G5
WL_EN
VIO
DI, PD
WLAN enable (Active high)
G6
BT_EN
VIO
DI, PD
Bluetooth enable (Active high)
RF Antennas
D1
ANT1
A
AI, AO
Antenna 1 - Main Antenna for modules with a
single antenna configuration
G3
RFU ANT2
NA
NA
Reserved for Antenna 2.
Power
A1
VDD_3.3V
3.13 V to 3.46 V
P
Main Input voltage (WIFI & BT)
A2
VDD_3.3V
3.13 V to 3.46 V
P
Main Input voltage (WIFI & BT)
A3
VDDIO
1.8 V or 3.3 V
P
Voltage supply for all I/O signals (1.71V - 3.46V)
A7
GND
Power Ground
B1
GND
Power Ground
B2
GND
Power Ground
C1
GND
Power Ground
C2
GND
Power Ground
D2
GND
Power Ground
E1
GND
Power Ground
E2
GND
Power Ground
F1
GND
Power Ground
F2
GND
Power Ground
F3
GND
Power Ground
F4
GND
Power Ground
G2
GND
Power Ground
G4
GND
Power Ground
G7
GND
Power Ground
Factory use
D3
RFU
NC
-
Reserved for future use. No connect.
E3
RFU
NC
-
Reserved for future use. No connect.
E4
RFU
NC
-
Reserved for future use. No connect.
E5
RFU
NC
-
Reserved for future use. No connect.
E6
RFU
NC
-
Reserved for future use. No connect.
F5
RFU
NC
-
Reserved for future use. No connect.
F6
RFU
NC
-
Reserved for future use. No connect.
F7
RFU
NC
-
Reserved for future use. No connect.
G1
RFU
NC
-
Reserved for future use. No connect.