RM0008 Secure digital input/output interface (SDIO)
Doc ID 13902 Rev 12 545/1096
Figure 208. SDIO (multiple) block write operation
Note: The SDIO will not send any data as long as the Busy signal is asserted (SDIO_D0 pulled
low).
Figure 209. SDIO sequential read operation
Figure 210. SDIO sequential write operation
ai14737
Block write operation
Data stop operation
Multiple block write operation
From host to card From card to host
Data from host to card
Stop command
stops data transfer
Optional cards Busy.
Needed for CE-ATA
Command Response Command Response
Data block
crc
Busy
Busy
Data block crc
Busy
SDIO_CMD
SDIO_D
ai14738
Data stop operation
From card to host
Stop command
stops data transfer
Command Response Command Response
Data transfer operation
Data stream
From host to
card(s)
Data from card to host
SDIO_CMD
SDIO_D
ai14739
Data stop operation
From card to host
Stop command
stops data transfer
Command Response Command Response
Data transfer operation
Data stream
From host to
card(s)
Data from host to card
SDIO_CMD
SDIO_D
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