MHz
#define MHz (1000 * 1000)
#define MHz (1000 * 1000)
#define MHz (1000 * 1000)
#define MHz (1000 * 1000)
#define MHz 1000000
#define MHz 1000000
#define MHz(x) KHz(1000 * (x))
#define MHz(x) ((x) * 1000000)
#define MHz 1000000UL