Specifications

WiFi Module
CDW-B18189F-Q1
NO. Name Description
1 SD_CMD
SDIO Command Input
2 SD_D3
SDIO Data Line 3
3 SD_D2
SDIO Data Line 2
4 SD_D1
SDIO Data Line 1
5 SD_D0
SDIO Data Line 0
6
SD_CLK
SDIO Clock Input
7
GND
Ground
8
GND
Ground
9 ANT WIFI radio antenna, Impedence control to 50oh
10 WAKE WIFI WAKE Device
11 VDIO
VDD for SDIO Pin. The power supply is the same as the signal level of
SDIO bus(3.3V ~ 1.8V)
12 VDD33 Power supply 3.3V
13 CS
This pin can Externally Shutdown
theRTL8189FTVwithoutrequiring an extra power switch
14,15 GND
Ground
16,17 GND Ground , no connect
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