Samsung S3C2416 User Manual page 181

S3C2416 RISC MICROPROCESSOR
13.11.2 When ECCType is 4-bit ECC.
NFECCERR0
ECC Busy
ECC Ready
Reserved
4-bit MECC Error
nd
2 Bit Error Location
Reserved
st
1 Bit Error Location
NOTE: These values are updated when ECCDecDone (NFSTAT[6]) is set ('1').
NFECCERR1
Reserved
th
4 Bit Error Location
Reserved
rd
3 Bit Error Location
These values are updated when ECCDecDone (NFSTAT[6]) is set ('1').
NOTE:
Bit
[31] Indicates the 4-bit ECC decoding engine is searching
whether a error exists or not
0 = Idle
1 = Busy
[30] ECC Ready bit
[29] Reserved
[28:26] 4-bit ECC decoding result
000 = No error
001 = 1-bit error
010 = 2-bit error
011 = 3-bit error
100 = 4-bit error
101 = Uncorrectable
11x = reserved
Note: If it happens that there are more errors than 4 bits, 4-bit
ECC module does not ensure right detection.
[25:16]
Error byte location of 2
[15:10] Reserved
[9:0]
Error byte location of 1
Bit
[31:26] Reserved
[25:16]
Error byte location of 4
[15:10] Reserved
[9:0]
Error byte location of 3
Description
nd
bit error
st
bit error
Description
th
bit error
rd
bit error
NAND FLASH CONTROLLER
Initial State
0
1
0
000
0x00
0x00
Initial State
0x00
0x00
0x00
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