Wi-Fi&Bluetooth Module Series
FC800L_Hardware_Design 24 / 50
3.5.1. WLAN_WAKE
WLAN_WAKE is used to wake up the host. And the interrupt function that replaces the regular SDIO D1
interrupt pin.
Table 6: Pin Definition of WLAN_WAKE
3.5.2. SDIO Interface
The following table shows the pin definition of SDIO interface.
Table 7: Pin Definition of SDIO Interface
The following figure shows the SDIO interface connection between FC800L and host.
Pin Name
Pin No.
I/O
Description
Comment
WLAN_WAKE
16
DO
Wake up the host by
WLAN, and SDIO interrupt
function
GPIO_1 connected to
WLAN_WAKE must be
interruptible.
Pin Name
Pin No.
I/O
Description
Comment
SDIO_CMD
17
DIO
SDIO
command
VDDIO power domain
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