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S3C2440A RISC MICROPROCESSOR NAND FLASH CONTROLLER
6-15
COMMAND REGISTER
Register Address R/W Description Reset Value
NFCMMD 0x4E000008 R/W NAND Flash command set register 0x00
NFCMMD Bit Description Initial State
Reserved [15:8] Reserved 0x00
NFCMMD [7:0] NAND Flash memory command value 0x00
ADDRESS REGISTER
Register Address R/W Description Reset Value
NFADDR 0x4E00000C R/W NAND Flash address set register 0x0000XX00
REG_ADDR Bit Description Initial State
Reserved [15:8] Reserved 0x00
NFADDR [7:0] NAND Flash memory address value 0x00
DATA REGISTER
Register Address R/W Description Reset Value
NFDATA 0x4E000010 R/W NAND Flash data register 0xXXXX
NFDATA Bit Description Initial State
NFDATA [31:0] NAND Flash read/program data value for I/O
(Note) Refer to DATA REGISTER CONFIGURATION in
p6-5.
0xXXXX