pub type RXFTCFG_W<'a, const O: u8> = FieldWriter<'a, u32, CR3_SPEC, u8, RXFTCFG_A, 3, O>;
Field RXFTCFG writer - Receive FIFO threshold configuration
RXFTCFG
RXFIFO reaches 1/8 of its depth
RXFIFO reaches 1/4 of its depth
RXFIFO reaches 1/2 of its depth
RXFIFO reaches 3/4 of its depth
RXFIFO reaches 7/8 of its depth
RXFIFO becomes full