pub type AFRL0_W<'a, const O: u8> = FieldWriterSafe<'a, u32, AFRL_SPEC, u8, AFRL0_A, 4, O>;
Field AFRL0 writer - Alternate function selection for port x bit y (y = 0..7)
AFRL0
AF0
AF1
AF2
AF3
AF4
AF5
AF6
AF7
AF8
AF9
AF10
AF11
AF12
AF13
AF14
AF15