Specifications

Module：EWN-8822CSS3AH
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Pin Definition Description
Power
Supply
Power level
6 GND Ground - -
7 GND Ground - -
8 GND Ground - -
9
Wi-Fi A
Wi-Fi Path A ANT I/O port - -
10 GND Ground - -
11 GND Ground - -
12
BT_ANT
Bluetooth ANT I/O port - -
13 GPIO6 General Purpose Input/Output Pin VDDIO Depend On VDDIO
14 G_BT General Purpose Input/Output Pin VDDIO Depend On VDDIO
15 WL_REG_ON Low asserting reset for Wi-Fi core VDDIO Depend On VDDIO
16 WL_WAKE_HOST WLAN to wake-up the host VDDIO Depend On VDDIO
17 SDIO _CMD SDIO interface command line VDDIO Depend On VDDIO
18 SDIO _CLK SDIO interface clock line VDDIO Depend On VDDIO
19 SDIO _DATA_3 SDIO interface data line 3 VDDIO Depend On VDDIO
20 SDIO _DATA_2 SDIO interface data line 2 VDDIO Depend On VDDIO
21 SDIO _DATA_0 SDIO interface data line 0 VDDIO Depend On VDDIO
22 SDIO _DATA_1 SDIO interface data line 1 VDDIO Depend On VDDIO
23 GND Ground - -
24 WL_WAKE_HOST WLAN to wake-up the host VDDIO Depend On VDDIO
25 GPIO7 General Purpose Input/Output Pin VDDIO Depend On VDDIO
26 NC No connect - -
27 PCM_SYNC PCM SYNC signal VDDIO Depend On VDDIO
28 PCM_IN PCM data input VDDIO Depend On VDDIO
29 PCM_OUT PCM data output VDDIO Depend On VDDIO
30 PCM_CLK PCM clock VDDIO Depend On VDDIO
31 SUSCLK
External low power clock input
(32.768KHz)
VDDIO Depend On VDDIO
32 GND Ground - -
33 NC No connect - -
34 VDDIO I/O voltage supply input (1.8V typ.) VDDIO Depend On VDDIO
35 NC No connect - -
36 VDD_3.3V
Main power voltage source input
（3.3V±10%）
Main power DC 3.3V±10%