SH7760 Datasheet, PDF (1004/1345 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 multiblock data read
Yes
(CRCERI) interrupt
detected?
No
No
(CRPI) interrupt
detected?
Yes
Read response register
Response status?
No error
Error
(DTI) interrupt
Yes
detected?
No
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
Yes
Block data read?
No
Read data from FIFO
Set the (CMDOFF) bit to 1
Execute CMD12
End of command sequence
Set the (CMDOFF) bit to 1
Set the (CMDOFF) bit to 1
Execute CMD12
Abnormal end of command sequence
Figure 26.13 Example of Operational Flow for Commands with Read Data
(Multiblock Transfer)
Rev. 1.0, 02/03, page 954 of 1294