SH7760 Datasheet, PDF (1003/1345 Pages) Renesas Technology Corp – SuperHTM RISC engine

Start of command sequence
Set the number of transfer bytes
(block size) to (TBCR)
Execute CMD16
: Set block length
Execute CMD17
: Execute single block data read
(CRCERI) interrupt
Yes
detected?
No
No
(CRPI) interrupt
detected?
Yes
Read response register
Response status?
No error
(DTI) interrupt
detected?
No
Error
Yes
No
(FFI) interrupt
detected?
Yes
Yes
Block data read
completed?
No
Read data from FIFO
Set the (RD_CONTI) bit to 1
(CRCERI) interrupt
Yes
detected?
No
Set the (CMDOFF) bit to 1
End of command sequence
Abnormal end of command sequence
Figure 26.12 Example of Operational Flow for Commands with Read Data
(Single Block Transfer)
Rev. 1.0, 02/03, page 953 of 1294