Specifications

4 http://www.b-link.net.cn
5
NC
/
NC
6
NC
/
NC
7
NC
/
NC
8
NC
/
NC
9
VDD33
P
3.3V Main power supply
10
NC
/
NC
11
NC
/
NC
12
WL_REG_ON
I
Power down select (active low)
VDD33
13
WAKE
O
WLAN to wake-up HOST, pull high for use
VDIO
14
SD_D2
I/O
SDIO data line
15
SD_D3
I/O
SDIO data line
16
SD_CMD
I/O
SDIO command line
17
SD_CLK
I
SDIO clock line
18
SD_D0
I/O
SDIO data line
19
SD_D1
I/O
SDIO data line
20
GND
P
Ground connections
21
NC
/
NC
22
VDIO
P
VDIO for SDIO and Digital I/O pin, the power supply is
same as the signal level of SDIO bus. Base on platform
to choose 3.3V or 1.8V
23
NC
/
NC
24
NC
/
NC
25
NC
/
NC
26
NC
/
NC
27
NC
/
NC
28
NC
/
NC
29
NC
/
NC
30
NC
/
NC
31
GND
P
Ground connections
32
NC
/
NC
33
GND
P
Ground connections
34
NC
/
NC
35
NC
/
NC
36
GND
P
Ground connections
37
NC
/
NC
38
NC
/
NC