pub type Ctl0W<'a, REG> = FieldWriterSafe<'a, REG, 2, Ctl0>;
Field CTL0 writer - Port x configuration bits (y = 0..15)
CTL0
struct Ctl0W<'a, REG> { /* private fields */ }
Input mode (reset state)
General purpose output mode
Alternate function mode
Analog mode