RM0082
RS_SDIO controller
Doc ID 018672 Rev 1
691/844
Figure 75.
Data transaction sequence with SDMA
Start
End
(1)
(2)
(3)
(4)
(6)
(7)
(9)
(13)
(5)
(8)
(10)
(11)
(12)
(14)
Set System Address Reg
Set Block Size Reg
Set Block Count Reg
Set Argument Reg
Set Transfer Mode Reg
Set Command Mode Reg
Wait for
Command Complete Int
Command
Complete Int occur
Clr Command Complete Status
Get Response Data
Wait for
Transfer Complete Int
and DMA Int
Transfer
Complete Int
occur
Check Interrupt
Status
DMA Int occur
Clr DMA Interrupt Status
Set System Address Reg
Clr Transfer Complete Status
Clr DMA Interrupt Status