Preliminary
S3C2451X RISC MICROPROCESSOR
NAND FLASH CONTROLLER
7
-25
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.
7.13.13 SPARE AREA ECC STATUS REGISTER
Register
Address
R/W
Description
Reset Value
NFSECC
0x4E00003C
R
NAND Flash ECC register for I/O [7:0]
0xXXXXXX
NFSECC
Bit
Description
Initial State
Reserved [31:16]
Reserved
0xXXXX
SECC0_1
[15:8]
Spare area ECC1 Status for I/O[7:0]
0xXX
SECC0_0
[7:0]
Spare area ECC0 Status for I/O[7:0]
0xXX
NOTE:
The NAND flash controller generate NFSECC when read or write spare area data while the SpareECCLock
(NFCONT[6]) bit is ‘0’ (Unlock).
7.13.14 4-BIT ECC ERROR PATTEN REGISTER
Register
Address
R/W
Description
Reset Value
NFMLCBITPT 0x4E000040
R NAND Flash 4-bit ECC Error Pattern register for data[7:0]
0x00000000
NFMLCBITPT
Bit
Description
Initial State
4
th
Error bit pattern
[31:24]
4
th
Error bit pattern
0x00
3
rd
Error bit pattern
[23:16]
3
rd
Error bit pattern
0x00
2
nd
Error bit pattern
[15:8]
2
nd
Error bit pattern
0x00
1
st
Error bit pattern
[7:0]
1
st
Error bit pattern
0x00