type ExtiPrVal: Bitfield<Bits = u32>
type UExtiPr: Reg<Urt, Val = Self::ExtiPrVal, UReg = Self::UExtiPr, SReg = Self::SExtiPr, CReg = Self::CExtiPr> + URwRegBitBand
type SExtiPr: Reg<Srt, Val = Self::ExtiPrVal, UReg = Self::UExtiPr, SReg = Self::SExtiPr, CReg = Self::CExtiPr> + SRwRegBitBand
type CExtiPr: Reg<Crt, Val = Self::ExtiPrVal, UReg = Self::UExtiPr, SReg = Self::SExtiPr, CReg = Self::CExtiPr> + CRwRegBitBand