pub type CPOL_W<'a, REG, const O: u8> = BitWriter<'a, REG, O, CPOLSELECT_A>;
Field CPOL writer - Clock Polarity
CPOL
struct CPOL_W<'a, REG, const O: u8> { /* private fields */ }
TxD Change:- Rising XCK edge, RxD Sample:- Falling XCK edge
TxD Change:- Falling XCK edge, RxD Sample:- Rising XCK edge