pub type DATALEN_W<'a, const O: u8> = FieldWriter<'a, u32, CFG_SPEC, u8, DATALEN_A, 2, O>;
Field DATALEN writer - Selects the data size for the USART.
DATALEN
7 bit Data length.
8 bit Data length.
9 bit data length. The 9th bit is commonly used for addressing in multidrop mode. See the ADDRDET bit in the CTL register.