SH7763 Datasheet, PDF (1405/2026 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 31 Multimedia Card Interface (MMCIF)
1
2
Yes
DTERI interrupt
detected?
No
No
No
FFI interrupt
detected?
Yes
No
Cap ≥
Len (1 + n (DTI))
- Cap × n (FFI)
Yes
CRCERI interrupt
Yes
detected?
No
Yes
DTERI interrupt
detected?
No
DTI interrupt
detected?
Yes
No
Next block read?
Yes
Read data from FIFO
Set the RD_CONTI to 1
Read data from FIFO
Set the CMDOFF to 1
Execute CMD12
Set the CMDOFF to 1
Execute CMD12
Clear FIFO
Set the CMDOFF to 1
End of command sequence
[Legend]
Len: Block length [Byte]
Cap: FIFO size [Byte]
n (FFI): Number of FFI from read sequence starts
n (DTI): Number of DTI from read sequence start
Figure 31.11 (2) Example of Operational Flow for Commands with Read Data
(Open-ended Multiblock Transfer)
Rev. 1.00 Oct. 01, 2007 Page 1339 of 1956
REJ09B0256-0100