pub type UPDOWN_W<'a, const O: u8> = BitWriter<'a, u32, MODE_SPEC, UPDOWN_A, O>;
Field UPDOWN writer - Selects up mode or up-and-down mode for the counter
UPDOWN
struct UPDOWN_W<'a, const O: u8> { /* private fields */ }
Up counter, edge-aligned PWM duty cycle
Up and down counter, center-aligned PWM duty cycle