r5s77631ay266bgv Renesas Electronics Corporation., r5s77631ay266bgv Datasheet - Page 1407

• Manufacturer Part Number: r5s77631ay266bgv
• Description: Renesas 32-bit Risc Microcomputer Superhtm Risc Engine Family Sh-4a Series
• Manufacturer: Renesas Electronics Corporation.

[Legend]
Len:
Cap:
n (FFI): Number of FFI from read sequence starts
n (DTI): Number of DTI from read sequence start
No
Figure 31.12 (2) Example of Operational Flow for Commands with Read Data
Set the RD_CONTI to 1
Block length [Byte]
FIFO size [Byte]
Read data from FIFO
FFI interrupt
detected?
Yes
No
No
No
No
Set the CMDOFF to 1
Read data from FIFO
(Pre-defined Multiblock Transfer)
CRCERI interrupt
DTERI interrupt
DTERI interrupt
TBNCR value
Len (1 + n (DTI))
DTI interrupt
BTI interrupt
- Cap × n (FFI)
= n (DTI) ?
detected?
detected?
detected?
detected?
detected?
Cap ≥
1
No
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
End of command sequence
Set the CMDOFF to 1
Execute CMD12
Section 31 Multimedia Card Interface (MMCIF)
Clear FIFO
Rev. 1.00 Oct. 01, 2007 Page 1341 of 1956
Set the CMDOFF to 1
REJ09B0256-0100
2