8223A-SR
FN-LINK TECHNOLOGY LIMITED
10
Proprietary & Confidential Information
17
SDIO_DATA_CLK
I/O
SDIO clock line
18
SDIO_DATA_0
I/O
SDIO data line 0
19
SDIO_DATA_1
I/O
SDIO data line 1
20
GND
－
Ground connections
21
NC
－
Floating (Don’t connected to ground)
22
VDDIO
P
I/O Voltage supply input 1.8V or 3.3V
23
NC
－
Floating (Don’t connected to ground)
24
LPO
I
External Low Power Clock input (32.768KHz)
25
PCM_OUT
O
PCM Data output
26
PCM_CLK I/O
PCM
clock
27
PCM_IN
I
PCM data input
28
PCM_SYNC I/O
PCM
sync
signal
29
NC
－
Floating (Don’t connected to ground)
30
NC
－
Floating (Don’t connected to ground)
31
GND
－
Ground connections
32
NC
－
Floating (Don’t connected to ground)
33
GND
－
Ground connections
34
BT_EN I
Enable pin for Bluetooth device
ON: pull high ; OFF: pull low
35
NC
－
Floating (Don’t connected to ground)
36
GND
－
Ground connections
37
NC
－
Floating (Don’t connected to ground)
38
NC
－
Floating (Don’t connected to ground)
39
Debug_UART_TXD
O
Floating (Don’t connected to ground)
40
Debug_UART_RXD
I
Floating (Don’t connected to ground)
41
UART_RTS_N
O
Bluetooth UART interface
42
UART_TXD
O
Bluetooth UART interface
43
UART_RXD
I
Bluetooth UART interface
44
UART_CTS_N
I
Bluetooth UART interface
