Data Sheet

深圳市中龙通电子科技有限公司 Page 5
WiFi Module
CDW.47W3155-00
NO.
Name
Type
Description
1
GND
—
Ground connections
2
ANT0
I/O
BT_RF I/O port (default)
3
GND
—
Ground connections
4
GND
—
Ground connections
5
GND
—
Ground connections
6
GND
—
Ground connections
7
GND
—
Ground connections
8
GND
—
Ground connections
9
ANT1
I/O
2.4/5G WL_RF I/O port
10
GND
—
Ground connections
11
GND
—
Ground connections
12
ANT2
I/O
No connect (Reserved for BT RF)
13
GND
—
Ground connections
14
NC
—
No connect
15
CHP_EN
I
Chip enable,activ high
16
WL_WAKE_HOST
I/O
WiFi_Wake_Host
17
SDIO_CMD
I/O
SDIO command line
18
SDIO_CLK
I/O
SDIO CLK
19
SDIO_DATA_3
I/O
SDIO DATA3
20
SDIO_DATA_2
I/O
SDIO DATA2
21
SDIO_DATA_0
I/O
SDIO DATA0
22
SDIO_DATA_1
I/O
SDIO DATA1
23
GND
—
Ground connections
24
NC
—
No connect
25
NC
—
No connect
26
NC
—
No connect
27
PCM_SYNC
I/O
PCM sync signal