pub type DDB_W<'a, const O: u8> = BitWriter<'a, u32, SPI_TCR_SPEC, DDB_A, O>;
Field ddb writer - Dummy Burst Type
ddb
struct DDB_W<'a, const O: u8> { /* private fields */ }
The bit value of dummy SPI burst is zero
The bit value of dummy SPI burst is one