Quectel FC80A - Page 17

Wi-Fi&Bluetooth Module Series
FC80A_Hardware_Design 16 / 43
HOST_WAKE_BT*
49
DI
Host wakes up
Bluetooth
BT_WAKE_HOST*
50
DO
Bluetooth wakes up
host
Other Interfaces
Pin Name
Pin No.
I/O
Description
Comment
WLAN_SLP_CLK
31
DI
External 32.768 kHz
low power clock input
VDDIO power domain
SDIO_VSEL
24
DI
SDIO voltage select:
pull down: 3.3 V
pull up:1.8 V
Pull up to VDDIO internally through a
200 kΩ resistor, high level by default.
VDDIO power domain
RF Antenna Interfaces
Pin Name
Pin No.
I/O
Description
Comment
ANT_WIFI0/BT
2
AIO
Wi-Fi0/Bluetooth
antenna interface
50 Ω impedance.
ANT_WIFI1
9
AIO
Wi-Fi1 antenna
interface
ANT_BT
48
AIO
Dedicated Bluetooth
antenna interface
50 Ω impedance.
Please reserve this pin.
RESERVED Interfaces
Pin Name
Pin No.
I/O
Description
Comment
RESERVED
12–14, 25–26, 33, 35, 37, 44–46
Keep these pins open.