Samsung S3C2451X User Manual page 170

NAND FLASH CONTROLLER
7.13.11 ECC0/1 ERROR STATUS REGISTER
Register Address
NFECCERR 0x4E00002C
0
NFECCERR 0x4E000030
1
When ECCType is 1-bit ECC.
NFECCERR0
Reserved [31:25]
SErrorDataNo [24:21]
SErrorBitNo [20:18]
MErrorDataNo [17:7]
MErrorBitNo [6:4]
SpareError [3:2]
MainError [1:0]
NFECCERR1
Reserved
NOTE: The above values are only valid when both ECC register and ECC status register have valid value.
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
7-22
Specifications and information herein are subject to change without notice.
R/W
R NAND Flash ECC Error Status register for I/O [7:0]
R NAND Flash ECC Error Status register for I/O [7:0]
Bit
Reserved
In spare area, Indicates which number data is error
In spare area, Indicates which bit is error
In main data area, Indicates which number data is error
In main data area, Indicates which bit is error
Indicates whether spare area bit fail error occurred
00: No Error
10: Uncorrectable
Indicates whether main data area bit fail error occurred
00: No Error
10: Uncorrectable
Bit
[31:0] Reserved
Description
Description
01: 1-bit error(correctable)
11: ECC area error
01: 1-bit error(correctable)
11: ECC area error
Description
S3C2451X RISC MICROPROCESSOR
Reset Value
0xX0XX_XXXX
0x0000_0000
Initial State
Initial State
0x00
0011
111
0x7FF
111
10
10
0x00