NAND FLASH CONTROLLER S3C2440A RISC MICROPROCESSOR
6-16
MAIN DATA AREA REGISTER
Register Address R/W Description Reset Value
NFMECCD0 0x4E000014 R/W NAND Flash ECC 1st and 2nd register for main data read
Note: Refer to ECC MODULE FEATURES in Page 6-8.
0x00000000
NFMECCD1 0x4E000018 R/W NAND Flash ECC 3rd 4th register for main data read
Note: Refer to ECC MODULE FEATURES in Page 6-8.
0x00000000
NFMECCD0 Bit Description Initial State
ECCData1_1 [31:24] 2nd ECC for I/O[15:8] 0x00
ECCData1_0 [23:16] 2nd ECC for I/O[ 7:0]
Note : In Software mode, Read this register when you
need to read 2nd ECC value from NAND flash memory
0x00
ECCData0_1 [15:8] 1st ECC for I/O[15:8] 0x00
ECCData0_0 [7:0] 1st ECC for I/O[ 7:0]
Note: In Software mode, Read this register when you
need to read 1st ECC value from NAND flash memory.
This register has same read function of NFDATA.
0x00
(Note) Only word access is valid.
NFMECCD1 Bit Description Initial State
ECCData3_1 [31:24] 4th ECC for I/O[15:8] 0x00
ECCData3_0 [23:16] 4th ECC for I/O[ 7:0]
Note: In Software mode, Read this register when you
need to read 4th ECC value from NAND flash memory.
0x00
ECCData2_1 [15:8] 3rd ECC for I/O[15:8] 0x00
ECCData2_0 [7:0] 3rd ECC for I/O[ 7:0]
Note: In Software mode, Read this register when you
need to read 3rd ECC value from NAND flash memory.
This register has same read function of NFDATA.
0x00
Note
Only word access is valid.