Data Sheet

FTY Technology Co.,Ltd
3.2 Pin Definition
Pin
Function
Description
1
GND
GND
2
WIFI_ANT
RF RX&TX Signal
3
GND
GND
4-8
NC
NC
9
VDD33
Power supply for system
（
3.3V±0.3V
）
10-11
NC
NC
12
CS
Chip select
，
Activity high
；
Internal pull high to 3.3V at
100K
Ω
13
WL_HOST_WAKE
For WLAN wake-up HOST, Internal pull high to 3.3V at
100KΩ
14
SD_D2
SDIO Data Line 2
15
SD_D3
SDIO Data Line 3
16
SD_CMD
SDIO Command Input
17
SD_CLK
SDIO Clock Input
18
SD_D0
SDIO Data Line 0
19
SD_D1
SDIO Data Line 1
20
GND
GND
21
NC
NC
22
VDDIO
VDD for SDIO Pin, the power supply is same as the
signal level of SDIO bus (3.3V ~ 1.8V)
23-30
NC
NC
31
GND
GND
32
NC
NC
33
GND
GND
34-35
NC
NC
36
GND
GND
37-44
NC
NC