PLLA9FRACO_SDIV_MASK
sdiv = (pll_con0 >> PLLA9FRACO_SDIV_SHIFT) & PLLA9FRACO_SDIV_MASK;
con0 &= ~(PLLA9FRACO_SDIV_MASK << PLLA9FRACO_SDIV_SHIFT);
(PLLA9FRACO_SDIV_MASK << PLLA9FRACO_SDIV_SHIFT));