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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
Pin Name
Pin No.
WLAN_WAKE
16
3.5.2. SDIO Interface
The following table shows the pin definition of SDIO interface.
Table 7: Pin Definition of SDIO Interface
Pin Name
Pin No.
SDIO_CMD
17
SDIO_CLK
18
SDIO_DATA3
19
SDIO_DATA2
20
SDIO_DATA0
21
SDIO_DATA1
22
The following figure shows the SDIO interface connection between FC800L and host.
FC800L_Hardware_Design
I/O
Description
Wake up the host by
DO
WLAN, and SDIO interrupt
function
I/O
Description
DIO
SDIO command
DI
SDIO clock
DIO
SDIO data bit 3
DIO
SDIO data bit 2
DIO
SDIO data bit 0
DIO
SDIO data bit 1
Wi-Fi&Bluetooth Module Series
Comment
GPIO_1 connected to
WLAN_WAKE must be
interruptible.
Comment
VDDIO power domain
24 / 50
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