OneNAND512Mb(KFG1216U2B-xIB6)
FLASH MEMORY
2.7.5 External Memory Spare Area Assignment
Equivalent to 1word of NAND Flash
Word
Address Address
Byte
Buf.
F
E
D
C
B
A
9
8
7
6
5
4
3
2
1
0
BootS 0
8000h
8001h
8002h
8003h
8004h
8005h
8006h
8007h
8008h
8009h
800Ah
800Bh
800Ch
800Dh
800Eh
800Fh
8010h
8011h
8012h
8013h
8014h
8015h
8016h
8017h
8018h
8019h
801Ah
801Bh
801Ch
801Dh
801Eh
801Fh
10000h
10002h
10004h
10006h
10008h
1000Ah
1000Ch
1000Eh
10010h
10012h
10014h
10016h
10018h
1001Ah
1001Ch
1001Eh
10020h
10022h
10024h
10026h
10028h
1002Ah
1002Ch
1002Eh
10030h
10032h
10034h
10036h
10038h
1003Ah
1003Ch
1003Eh
BI
Managed by Internal ECC logic
Reserved for the future use
Managed by Internal ECC logic
Reserved for the current and future use
ECC Code for Main area data (2nd)
ECC Code for Spare area data (1st)
FFh(Reserved for the future use)
ECC Code for Main area data (1st)
ECC Code for Main area data (3rd)
ECC Code for Spare area data (2nd)
Free Usage
BI
BootS 1
Managed by Internal ECC logic
Reserved for the future use Managed by Internal ECC logic
Reserved for the current and future use
ECC Code for Main area data (2nd)
ECC Code for Main area data (1st)
ECC Code for Main area data (3rd)
ECC Code for Spare area data (2nd)
ECC Code for Spare area data (1st)
FFh(Reserved for the future use)
Free Usage
BI
DataS
0_0
Managed by Internal ECC logic
Reserved for the future use Managed by Internal ECC logic
Reserved for the current and future use
ECC Code for Main area data (2nd)
ECC Code for Main area data (1st)
ECC Code for Main area data (3rd)
ECC Code for Spare area data (2nd)
ECC Code for Spare area data (1st)
FFh(Reserved for the future use)
Free Usage
BI
DataS
0_1
Managed by Internal ECC logic
Reserved for the future use Managed by Internal ECC logic
Reserved for the current and future use
ECC Code for Main area data (2nd)
ECC Code for Main area data (1st)
ECC Code for Main area data (3rd)
ECC Code for Spare area data (2nd)
ECC Code for Spare area data (1st)
FFh(Reserved for the future use)
Free Usage
27
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