Quectel FC80A - Page 16

Wi-Fi&Bluetooth Module Series
FC80A_Hardware_Design 15 / 43
Pin Name
Pin No.
I/O
Description
Comment
WLAN_EN
15
DI
WLAN function enable
control
Active high.
WLAN_WAKE
16
DO
Wake up the host by
WLAN
VDDIO power domain
SDIO_CMD
17
DIO
SDIO command
SDIO_CLK
18
DI
SDIO clock
SDIO_DATA3
19
DIO
SDIO data bit 3
SDIO_DATA2
20
DIO
SDIO data bit 2
SDIO_DATA0
21
DIO
SDIO data bit 0
SDIO_DATA1
22
DIO
SDIO data bit 1
Bluetooth Application Interface
Pin Name
Pin No.
I/O
Description
Comment
PCM_SYNC*
27
DI
PCM data frame sync
VDDIO power domain
PCM_DIN*
28
DI
PCM data input
PCM_DOUT*
29
DO
PCM data output
PCM_CLK*
30
DI
PCM clock
BT_EN
38
DI
Bluetooth enable
control
Active high.
VDDIO power domain
BT_TXD
40
DO
Bluetooth UART
transmit
VDDIO power domain
BT_RXD
41
DI
Bluetooth UART
receive
BT_RTS
42
DO
Bluetooth UART
request to send
BT_CTS
43
DI
Bluetooth UART clear
to send