BUSDIV
return (fref * mfd / (BUSDIV * 4));
mfd = 4 * BUSDIV * temp / 100;
fout = (fref * mfd / (BUSDIV * 4));
writeb(MCF_PLL_PODR_CPUDIV(BUSDIV/3) | MCF_PLL_PODR_BUSDIV(BUSDIV),
return (FREF * readb(MCF_PLL_PFDR)) / (BUSDIV * 4);