Wi-Fi&Bluetooth Module Series
FC80A_Hardware_Design 18 / 43
3.4. WLAN Application Interface
The following figure shows the WLAN application interface connection between FC80A and the host.
HOST
FC80A
SDIO
GPIO1
WLAN_EN
GPIO2
WLAN_WAKE
SDIO
Figure 4: WLAN Application Interface Connection
3.4.1. WLAN_EN
WLAN_EN is used to control the WLAN function of the module. WLAN function will be enabled when
WLAN_EN is at high level.
Table 6: Pin Definition of WLAN_EN
3.4.2. WLAN_WAKE
WLAN_WAKE is used to wake up the host.
Table 7: Pin Definition of WLAN_WAKE
Pin Name
Pin No.
I/O
Description
Comment
WLAN_EN
15
DI
WLAN function enable control
Active high.
Pin Name
Pin No.
I/O
Description
Comment
WLAN_WAKE
16
DO
Wake up the host by
WLAN