type SpiCr1Val: Bitfield<Bits = u32>
type USpiCr1: USpiCr1<T, Val = Self::SpiCr1Val, UReg = Self::USpiCr1, SReg = Self::SSpiCr1, CReg = Self::CSpiCr1>
type SSpiCr1: SSpiCr1<T, Val = Self::SpiCr1Val, UReg = Self::USpiCr1, SReg = Self::SSpiCr1, CReg = Self::CSpiCr1>
type CSpiCr1: CSpiCr1<T, Val = Self::SpiCr1Val, UReg = Self::USpiCr1, SReg = Self::SSpiCr1, CReg = Self::CSpiCr1>