pub type AFSEL8_W<'a, const O: u8> = FieldWriter<'a, u32, AFRH_SPEC, u8, AFSEL8_A, 4, O>;
Field AFSEL8 writer - Alternate function selection for port x bit y (y = 8..15)
AFSEL8
AF0
AF1
AF2
AF3
AF4
AF5
AF6
AF7