Introduction Of Wlan Pin Multiplexing Function - Quectel FC908A Hardware Design

3.5.4. Introduction of WLAN Pin Multiplexing Function

Table 11: Pin setting description
SDIO_DATA2
L
H
As shown in the above table, SDIO and
function is currently under development. The following is the definition of
Table 12: Pin Definition of SDIO Interface
Pin Name
SDIO_DATA2
SDIO_DATA3
SDIO_CMD
SDIO_CLK
SDIO_DATA0
SDIO_DATA1
FC908A_Hardware_Design
Mode
SPI*
SDIO
SPI* modes can be configured through SDIO_DATA2. The
Pin No. SPI Mode
14 NC
15 CS
16 DI
17 SCLK
18 DO
19 IRQ
Wi-Fi&Bluetooth Module Series
Note
Sampling at power-on reset.
SPI* pin multiplexing:
Description
/
Card select
Data input
Clock
Data output
Interrupt
SPI*
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