User's Manual

Table Of Contents
NAND FLASH CONTROLLER S3C2450X RISC MICROPROCESSOR
7-22
13.11 ECC0/1 ERROR STATUS REGISTER
Register Address R/W Description Reset Value
NFECCERR0 0x4E00002C R NAND Flash ECC Error Status register for I/O [7:0] 0xX0XX_XXXX
NFECCERR1 0x4E000030 R NAND Flash ECC Error Status register for I/O [7:0] 0x0000_0000
13.11.1 When ECCType is 1-bit ECC.
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 = Uncorrectable
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 = Uncorrectable
11 = ECC area error
10
NFECCERR1 Bit Description Initial State
Reserved [31:0] Reserved 0x00
NOTE: The above values are only valid when both ECC register and ECC status register have valid value.