Service Guide

Wi-Fi&Bluetooth Module Series
FC908A_Hardware_Design 25 / 49
3.5.2. WLAN_EN
WLAN_EN is used to control the WLAN function of the module. Wi-Fi function will be enabled when
WLAN_EN is at high level.
Table 9: Pin Definition of WLAN_EN
WLAN_EN is the Wi-Fi function enable signal. When wiring, keep it away from sensitive signals such as
radio frequency, analog signal, clock, and DC-DC noise signals.
3.5.3. WLAN_WAKE
WLAN_WAKE is used to wake up the host.
Table 10: Pin Definition of WLAN_WAKE
Pin Name
Pin No.
I/O
Description
Comment
WLAN_EN
12
DI
Wi-Fi function enable control
VDDIO power domain.
Active high.
Pin Name
Pin No.
I/O
Description
Comment
WLAN_WAKE
13
DO
Wake up the host by WLAN
VDDIO power domain.
If unused, keep it open.
NOTE