Laptop User Manual

S3C2440A RISC MICROPROCESSOR NAND FLASH CONTROLLER
6-17
SPARE AREA ECC REGISTER
Register Address R/W Description Reset Value
NFSECCD 0x4E00001C R/W NAND Flash ECC(Error Correction Code) register for spare
area data read
0x00000000
NFSECCD Bit Description Initial State
ECCData1_1 [31:24] 2
nd
ECC for I/O[15:8] 0x00
ECCData1_0 [23:16] 2
nd
ECC for I/O[ 7:0]
Note: In Software mode, Read this register when you need to
read 2
nd
ECC value from NAND flash memory.
0x00
ECCData0_1 [15:8] 1
st
ECC for I/O[15:8] 0x00
ECCData0_0 [7:0] 1
st
ECC for I/O[ 7:0]
Note: In Software mode, Read this register when you need to
read 1
st
ECC value from NAND flash memory. This register has
same read function of NFDATA.
0x00
Note
Only word access is valid.