User's Manual

Pin
Outline
Pin Definition
NO
Name
Type
Description
1
GND
－
Ground connections
2
WL/BT_ANT0
I/O
RF I/O port0
3
GND
－
Ground connections
4
GND
－
Ground connections
5
GND
－
Ground connections
6
GND
－
Ground connections
7
GND
－
Ground connections
8
GND
－
Ground connections
9
WL_ANT1
I/O
RF I/O port1
10
GND
－
Ground connections
11
GND
－
Ground connections
12
NC
－
No connect
13
XTAL_OUT
O
External Crystal out
14
XTAL_IN
I
External Crystal in/ Single clock source in
15
WL_REG_ON
I
Low asserting reset for WiFi core
16
WL_HOST_WAKE
O
WLAN to wake-up HOST
17
SDIO_DATA_CMD
I/O
SDIO command line
18
SDIO_DATA_CLK
I/O
SDIO clock line
19
SDIO_DATA_3
I/O
SDIO data line 3
20
SDIO_DATA_2
I/O
SDIO data line 2