Quectel FC80A User Manual

Wi-Fi&Bluetooth Module Series
FC80A_Hardware_Design 19 / 43
3.4.3. SDIO Interface
The following table shows the pin definition of SDIO interface.
Table 8: Pin Definition of SDIO Interface
The following figure shows the SDIO interface connection between FC80A and host.
SDIO_CLK
SDIO_CMD
SDIO_DATA0
SDIO_DATA1
SDIO_DATA2
SDIO_DATA3
HOST
FC80A
SDIO_DATA0
SDIO_DATA1
SDIO_DATA2
SDIO_DATA3
SDIO_CLK
SDIO_CMD
NM
VDDIO
NM NM NM NM
NM
NM
NM
NM NM NM
NM
Figure 5: SDIO Interface Connection
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

Quectel FC80A Specifications

General

Brand	Quectel
Model	FC80A
Category	Control Unit
Language	English