User Manual

FN-LINK TECHNOLOGY LIMITED
http://www.fn-link.com
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PIN Assignment
Pin # Name Description
1 GND Ground connection
2 WL_BT_ANT RF I/O port
3 GND Ground connection
4 NC Floating (NC)
5 NC Floating (NC)
6 BT_WAKE Wake-up BT
7 BT_HOST_WAKE BT wake-up BT
8 NC Floating (NC)
9 VBAT 3.3±10% V Main power voltage source input
10 WL_XTAL_IN Floating (NC)
11 WL_XTAL_OUT Floating (NC)
12 WL_REG_ON Internal regulators power enable/disable
13 WL_HOST_WAKE WLAN wake-up HOST
14 SDIO_DATA_2 SDIO data line 2
15 SDIO_DATA_3 SDIO data line 3
16 SDIO_DATA_CMD SDIO command line
17 SDIO_DATA_CLK SDIO clock line
18 SDIO_DATA_0 SDIO data line 0
19 SDIO_DATA_1 SDIO data line 1
20 GND Ground
21 VIN_LDO_OUT Floating(NC)
22 VDDIO I/O Voltage supply input
23 VIN_LDO Floating (NC)
24 LPO External Clock input(32.768kHz), need to be reserved
25 PCM_OUT PCM Output
26 PCM_CLK PCM Clock
27 PCM_IN PCM Input
28 PCM_SYNC PCM Sync
29 WL_VDD_TXCO Floating (NC)
30 TCXO_IN Floating (NC)
31 GND Ground
32 NC Floating (NC)
33 GND Ground
34 BT_RST_N BT Reset IN
35 NC Floating (NC)
36 GND Ground
37 BT_XTAL_IN Floating (NC)
38 BT_XTAL_OUT Floating (NC)
39 NC Floating (NC)
40 NC Floating (NC)
41 UART_RTS_N UART RTS
42 UART_TXD UART Output