HB_PLL_DIVF_MASK
divf = (reg & HB_PLL_DIVF_MASK) >> HB_PLL_DIVF_SHIFT;
if (divf != ((reg & HB_PLL_DIVF_MASK) >> HB_PLL_DIVF_SHIFT)) {
reg &= ~(HB_PLL_DIVF_MASK | HB_PLL_DIVQ_MASK);