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s3c2440 三个时钟
s3c2410 有三个时钟FLCK 、HCLK 和PCLK （这3个时针都是核心时针）s3c2410 芯片有这么一段话：FCLK is used by ARM920T ，内核时钟，主频。HCLK is used for AHB bus, which is used by the ARM920T, the memory con
s3c2410 有三个时钟FLCK 、HCLK 和PCLK （这3个时针都是核心时针）s3c2410 芯片有这么一段话：FCLK is used by ARM920T ，内核时钟，主频。HCLK is used for AHB bus, which is used by the ARM920T, the memory con
