CLKS_MASK
#define CLKS_MASK (0xfff << 0)
#define CLKS_MASK (0xfff << 0)
#define CLKS_MASK (0xfff << 0)
#define CLKS_MASK (0xfff << 0)
# define CLKS_MASK (0xff << 3)
#define CLKS_MASK (0xfff << 0)
#define CLKS_MASK (0xfff << 4)
#define CLKS_MASK (0xfff << 0)