4 http://www.b-link.net.cn
4
NC
/
NC
5
NC
/
NC
6
BT_WAKE
I
HOST wake-up Bluetooth device
VDIO
7
BT_WAKE_HOST
O
Bluetooth device to wake-up HOST
VDIO
8
NC
/
NC
9
VDD33
P
3.3V Main power supply
10
NC
/
NC
11
NC
/
NC
12
WL_DSI#
I
WLAN radio off (active low)
VDD33
13
WL_WAKE_HOST O
WLAN to wake-up HOST
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
3.3V SDIO power supply
23
NC
/
NC
24
SUSCLK_IN
I
Shared with GPIO6.
External 32K or RTC clock input with 1.8V ~ 3.3V swing.
This clock source is configured by BT and WL FW,
respectively.
25
PCM_DOUT
O
PCM Data output
26
PCM_CLK
I/O
PCM Clock
27
PCM_DIN
I
PCM data input
28
PCM_SYNC
O
PCM sync signal
29
NC
/
NC
30
NC
/
NC
31
GND
P
Ground connections
32
NC
/
NC
33
GND
P
Ground connections
34
BT_DIS#
I
Shut down BT function (active low)
VDD33
35
NC
/
NC
36
GND
P
Ground connections
