Product Specs

22
SDIO_DATA1
SDIO data line 1
23
GND
Ground connections
24
WL_WAKE
WLAN to wake up HOST
25
NC
No connection(floating)
26
NC
No connection(floating)
27
PCM_SYNC
PCM sync signal
28
PCM_IN
PCM data input
29
PCM_OUT
PCM data output
30
PCM_CLK
PCM clock
31
SUSCLK
External 32k or RTC clock input
32
GND
Ground connections
33
NC
No connection(floating)
34
VDIO
I/O Voltage supply input
35
NC
No connection(floating)
36
VBAT
3.3V Main Power Supply
37
NC
No connection(floating)
38
BT_REG_ON
0: BT disable; 1: BT active (1.8~3.3V)
39
GND
Ground connections
40
UART_TXD
Bluetooth UART interface
41
UART_RXD
Bluetooth UART interface
42
UART_RTS_N
GND
43
UART_CTS_N
Bluetooth UART interface
44
SD_RESET
SDIO System reset
45
NC
No connection(floating)
46
GND
Ground connections
47
NC
No connection(floating)
48
GND
Ground connections
49
HOST_WAKE_BT
HOST wake up Bluetooth device
50
BT_WAKE_HOST
Bluetooth device to wake up HOST