Data Sheet

16
LS004ONWNS Datasheet
7. Host Interface
7.1 SDIO2.0 Host Interface
7.1.1 SDIO Interface Signals
Pin Name Type Description
SD_CLK I
SDIO 4-bit Mode: Clock input
SDIO 1-bit Mode: Clock input
SDIO SPI Mode: Clock input
SD_CMD/
USB_VBUS_ON
I/O
SDIO 4-bit Mode: Command/response (input/output)
SDIO 1-bit Mode: Command line
SDIO SPI Mode: Data input
SD_D0 I/O
SDIO 4-bit Mode: Data line Bit[0]
SDIO 1-bit Mode: Data line
SDIO SPI Mode: Data output
SD_D1 I/O
SDIO 4-bit Mode: Data line Bit[1]
SDIO 1-bit Mode: Interrupt
SDIO SPI Mode: Interrupt
SD_D2 I/O
SDIO 4-bit Mode: Data line Bit[2] or read wait (optional)
SDIO 1-bit Mode: Read wait (optional)
SDIO SPI Mode: Reserved
SD_D3 I/O
SDIO 4-bit Mode: Data line Bit[3]
SDIO 1-bit Mode: Reserved
SDIO SPI Mode: Card select (active low)
Luxshare-ICT
Confidential