PLL0831X_SDIV_SHIFT
sdiv = (pll_con3 >> PLL0831X_SDIV_SHIFT) & PLL0831X_SDIV_MASK;
(PLL0831X_SDIV_MASK << PLL0831X_SDIV_SHIFT));
(rate->sdiv << PLL0831X_SDIV_SHIFT);