Renesas SH7262 R5S72620 User Manual
Section 25 NAND Flash Memory Controller
R01UH0134EJ0400 Rev. 4.00
Page 1335 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
Yes
No
No
Start
End
Read one sector.
Yes
Starting single-sector read/continuous sector read
3-symbol ECC circuit is enabled.
Perform sector reading with
ECC generation only.
ECC generation only.
4ECCEN bit in
FLCMNCR = 1?
4ECCCORRECT
bit in FLCMNCR = 1?
Reading operation is suspended
after ECC error-containing sector
has been read.
4ECCEXST in FL4ECCCR is set
and correction pattern
generation starts.
Results of ECC processing are
set in FL4ECCCR and
FL4ECCRES1 to FL4ECCRES4.
Yes
No
ECC error occurred?
End
Yes
No
FLCMDCR.
SCTCNT == 0?
Figure 25.16 Flow of 4-Symbol ECC Operation