pub type DlenW<'a, REG> = FieldWriter<'a, REG, 2, Dlen, Safe>;
Field dlen writer - Data length: 00=5bit; 01=6bit; 10=7bit; 11=8bit
dlen
pub struct DlenW<'a, REG> { /* private fields */ }
5-bit data
6-bit data
7-bit data
8-bit data