pub type DirselW<'a, REG> = BitWriter<'a, REG, Dirsel>;
Field DIRSEL writer - Quadrature Direction Update Event Service Request Selector
DIRSEL
struct DirselW<'a, REG> { /* private fields */ }
Quadrature Direction Update Event interrupt forward to POSIFx.SR0
Quadrature Direction Update Event interrupt forward to POSIFx.SR1