PLL2650X_CON0_S
v0 &= ~(PLL2650X_CON0_M | PLL2650X_CON0_P | PLL2650X_CON0_S);
__SHIFTIN(pll_rate->pll_s, PLL2650X_CON0_S);
__SHIFTOUT((v0), PLL2650X_CON0_S))