Samsung S3C6400X, User Manual, Page: 184 / 1189

PRELIMINARY
S3C6400X RISC MICROPROCESSOR NAND FLASH CONTROLLER
8
-23
Preliminary product information describe products that are in development,
for which full characterization data and associated errata are not yet available.
Specifications and information herein are subject to change without notice.
ECC0/1 ERROR STATUS REGISTER
Register Address R/W Description Reset Value
NFECCERR0 0x7020002C R NAND Flash ECC Error Status register for I/O [7:0] 0x007FFFFA
NFECCERR1 0x70200030 R NAND Flash ECC Error Status register for I/O [7:0] 0x007FFFFA
When ECCType is SLC.
NFECCERR0 Bit Description Initial State
Reserved [31:25]
Reserved
0x00
SErrorDataNo [24:21] In spare area, Indicates which number data is error 0011
SErrorBitNo [20:18] In spare area, Indicates which bit is error 111
MErrorDataNo [17:7] In main data area, Indicates which number data is error 0x7FF
MErrorBitNo [6:4] In main data area, Indicates which bit is error 111
SpareError [3:2] Indicates whether spare area bit fail error occurred
00: No Error 01: 1-bit error(correctable)
10: Multiple error 11: ECC area error
10
MainError [1:0] Indicates whether main data area bit fail error occurred
00: No Error 01: 1-bit error(correctable)
10: Multiple error 11: ECC area error
10
NFECCERR1 Bit Description Initial State
Reserved [31:0] Reserved 0x00
Note:
The above value
s
are
only valid when
both
ECC register
and
ECC status register have valid value.