NAND FLASH CONTROLLER S3C2410A
6-8
NAND FLASH OPERATION STATUS (NFSTAT) REGISTER
Register Address R/W Description Reset Value
NFSTAT 0x4E000010 R NAND flash operation status –
NFSTAT Bit Description Initial State
Reserved [16:1] Reserved –
RnB [0] NAND flash memory ready/busy status.
(This signal is checked through R/nB pin.)
0 = NAND flash memory busy
1 = NAND flash memory ready to operate
–
NAND FLASH ECC (NFECC) REGISTER
Register Address R/W Description Reset Value
NFECC 0x4E000014 R NAND flash ECC (Error Correction Code) register –
NFECC Bit Description Initial State
ECC2 [23:16] Error Correction Code #2 –
ECC1 [15:8] Error Correction Code #1 –
ECC0 [7:0] Error Correction Code #0 –
Known Problems
• Problem : NAND flash controller can't be accessed by DMA.
• Solution : Instead of DMA, use LDM/STM Instructions like our boot loader example code.
