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NAND FLASH CONTROLLER S3C2440A RISC MICROPROCESSOR
6-4
NAND FLASH MEMORY TIMING
HCLK
CLE / ALE
nWE
TACLS TWRPH0 TWRPH1
DATA
COMMAND / ADDRESS
Figure 6-3. CLE & ALE Timing (TACLS=1, TWRPH0=0, TWRPH1=0)
HCLK
nWE / nRE
DATA DATA
TWRPH0 TWRPH1
Figure 6-4 nWE & nRE Timing (TWRPH0=0, TWRPH1=0)