Product Specs

4. Pin Assignments
Figure 4-Top view
PIN
Function
Description
1
GND
Ground connections
2
WL/BT_ANT1
WLAN and BT ANT
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_ANT0
WLAN_ANT
10
GND
Ground connections
11
GND
Ground connections
12
NC
No connection(floating)
13
NC
No connection(floating)
14
NC
No connection(floating)
15
WL_REG_ON
0: WL disable; 1: WL active (1.8~3.3V)
16
WL_WAKE
WLAN to wake up HOST
17
SDIO_CMD
SDIO command line
18
SDIO_CLK
SDIO clock line
19
SDIO_DATA3
SDIO data line 3
20
SDIO_DATA2
SDIO data line 2
21
SDIO_DATA0
SDIO data line 0