Secure digital input/output interface (SDIO) RM0402
864/1163 RM0402 Rev 6
Figure 304. “No response” and “no data” operations
Figure 305. (Multiple) block read operation
Figure 306. (Multiple) block write operation
Note: The SDIO will not send any data as long as the Busy signal is asserted (SDIO_D0 pulled
low).
MSv36068V1
Operation (no response) Operation (no data)
SDIO_CMD
SDIO_D
From host to card(s) From host to card From card to host
ResponseCommand Command
MSv36069V1
Command Response
Data block crc
Data block crc Data block crc
Block read operation
Multiple block read operation
Data stop operation
From host to card From card to host
data from card to host Stop command
stops data transfer
Command Response
SDIO_CMD
SDIO_D
MSv36070V1
Command Response
Data block crc Data block crc
Data stop operation
From host to card From card to host
data from host to card Stop command
stops data transfer
Command Response
SDIO_CMD
SDIO_D
Busy
Block write operation
Busy
Multiple block write operation
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