Renesas R5S72621 User Manual
Section 25 NAND Flash Memory Controller
Page 1320 of 2108
R01UH0134EJ0400 Rev. 4.00
Sep
24,
2014
SH7262 Group, SH7264 Group
25.3.17
4-Symbol ECC Error Count Register (FL4ECCCNT)
FL4ECCCNT is a 32-bit readable register that indicates the number of errors detected by the 4-
symbol ECC circuit. Only 0 can be written to this register. To clear this register, write 0 to all bits.
symbol ECC circuit. Only 0 can be written to this register. To clear this register, write 0 to all bits.
Bit:
Initial value:
R/W:
Bit:
Initial value:
R/W:
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R
R
R
R
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R
R
R
R
R
R
R
R
R
R
R
R
R
R/W
R/W
R/W
-
-
-
-
-
-
-
-
-
ERRCNT[10:0]
-
-
-
-
-
-
-
-
-
ERRMAX[2:0]
Bit Bit
Name
Initial
Value R/W
Value R/W
Description
31 to 27
All
0
R
Reserved
These bits are always read as 0. The write value should
always be 0.
always be 0.
26 to 16 ERRCNT
[10:0]
H'000 R/W
Error
Counter
Only 0 can be written to these bits.
Indicates the total number of errors found in a series of
sectors that have been read (for one block at maximum,
which consists of 64 pages
sectors that have been read (for one block at maximum,
which consists of 64 pages
4 sectors).
If a sector contains five or more errors, they are
counted as five.
counted as five.
15 to 3
All
0
R
Reserved
These bits are always read as 0. The write value should
always be 0.
always be 0.