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.










