User's Guide

WL865E4-P Module Hardware User Guide
1VV0301580 Rev. 4 Page 16 of 56 2019-08-08
Table 1: WL865E4-P Pinout Table
RF Pads
37
ANT_BLE
AIO
BT 2.4G
RF
50 ohm
40
ANT_WIFI
AIO
WIFI 2.4G and 5G
RF
50 ohm
Power Supply
6
VDD_WLAN
I
WiFi main power supply
Power
(3.0V to 3.6V)
3.3V Nominal
Power Supply
9
VDD_VIO
I
Digital Input/Output
power supply
Power
(1.8V to 3.6V)
3.3V Nominal
Power Supply
11
VDD_BLE
I
Bluetooth main power
supply
Power
(3.0V to 3.6V)
3.3V Nominal
Power Supply
7
GND
-
Ground
Power
8
GND
-
Ground
Power
10
GND
-
Ground
Power
35
GND
-
Ground
Power
36
GND
-
Ground
Power
38
GND
-
Ground
Power
39
GND
-
Ground
Power
41
GND
-
Ground
Power
42
GND
-
Ground
Power
52
GND
-
Ground
Power
57
GND
-
Ground
Power