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Flex-MuxOneNAND4G(KFM4GH6Q4M-DEBx)
Flex-MuxOneNAND8G(KFN8GH6Q4M-DEBx)
Flex-MuxOneNAND16G(KFKAGH6Q4M-DEBx)
2.8.26 ECC Status Register 1 FF00h (R)
This Read register shows the Error Correction Status. The Flex-MuxOneNAND can correct up to 4-bit errors.
ECC can be performed on the NAND Flash main and spare memory areas. The ECC status register can also show the number of errors in a
sector as a result of an ECC check in during a load operation. ECC status bits are also updated during a boot loading operation.
FF00h, default = 0000h
15
14
13
12
Reserved
2.8.27 ECC Status Register 2 FF01h (R)
FF01h, default = 0000h
15
14
13
12
Reserved
2.8.28 ECC Status Register 3 FF02h (R)
FF02h, default = 0000h
15
14
13
12
Reserved
2.8.29 ECC Status Register 4 FF03h (R)
FF03h, default = 0000h
15
14
13
12
Reserved
Error Status
ECC location Information
Item
ER0
ER1
ER2
ER3
ER4
ER5
ER6
ER7
11
10
9
ER1
11
10
9
ER3
11
10
9
ER5
11
10
9
ER7
ER
00000
00001
00010
00100
01000
10000
Error status of 1st selected sector (Main and Spare area)
Error status of 2nd selected sector (Main and Spare area)
Error status of 3rd selected sector (Main and Spare area)
Error status of 4th selected sector (Main and Spare area)
Error status of 5th selected sector (Main and Spare area)
Error status of 6th selected sector (Main and Spare area)
Error status of 7th selected sector (Main and Spare area)
Error status of 8th selected sector (Main and Spare area)
8
7
6
5
Reserved
8
7
6
5
Reserved
8
7
6
5
Reserved
8
7
6
5
Reserved
1bit error(correctable)
2bit error(correctable)
3bit error(correctable)
4bit error(correctable)
Definition
- 54 -
FLASH MEMORY
4
3
2
1
ER0
4
3
2
1
ER2
4
3
2
1
ER4
4
3
2
1
ER6
ECC Status
No Error
Uncorrectable
0
0
0
0
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