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S3C6400X RISC MICROPROCESSOR
SOFTWARE MODE
S3C6400X only supports software mode access. Use this mode to access NAND flash memory completely. The
NAND Flash Controller supports direct access interface with the NAND flash memory.
1) Writing to the command register = the NAND Flash Memory command cycle
2) Writing to the address register = the NAND Flash Memory address cycle
3) Writing to the data register = write data to the NAND Flash Memory (write cycle)
4) Reading from the data register = read data from the NAND Flash Memory (read cycle)
5) Reading main ECC registers and Spare ECC registers = read data from the NAND Flash Memory
NOTE: In the software mode, you have to check the RnB status input pin by using polling or interrupt.
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.
NAND FLASH CONTROLLER
8-5
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