pub type MsbfW<'a, REG> = BitWriter<'a, REG, Msbf>;
Field MSBF writer - Most significant bit first
MSBF
struct MsbfW<'a, REG> { /* private fields */ }
Data is transmitted/received with data bit 0 first, following the start bit
Data is transmitted/received with MSB (bit 7/8/9) first, following the start bit