FSize
(((Div) - 16)/16 >> FSize (UTCR2_BRD) << \
(((Div) - 1)/16 >> FSize (UTCR2_BRD) << \
(((Div) - 16)/16 >> FSize (SDCR4_BRD) << \
(((Div) - 1)/16 >> FSize (SDCR4_BRD) << \
#define FMsk(Field) (((UData (1) << FSize (Field)) - 1) << FShft (Field))
#define FAlnMsk(Field) ((UData (1) << FSize (Field)) - 1)