Data Sheet

深圳市中龙通电子科技有限公司 Page 4
WiFi Module
CDW-B18188F-2C
6. Pin Description and PCB size
NO.
Symbol
Description
1
GND
Ground connections
2
RF
RF out External PI-type circuit is requested
3-4
GND
Ground connections
5-10
NC
11
VCC
Power supply 3.3V is required(≥600mA)
12
DM
USB negative differential data lines
13
DP
USB positive differential data lines
14
GND
Ground connections
15\17\18
NC
16
CHIP_EN
Chip Power Down（Default high）
19
GPIO2
Host wake WIFI
3.3V
DM
DP
GND
NC
C H IP _E N
NC
NC
G P IO 2
G P IO 0
GND
RF
GND
GND
NC
NC
NC
NC
NC
NC