pub type DEVSPD_W<'a> = FieldWriter<'a, u32, DCFG_SPEC, u8, DEVSPD_A, 2, 0>;
Field DEVSPD writer - Device Speed
DEVSPD
Low speed (PHY clock is 6 MHz). If you select 6 MHz LS mode, you must do a soft reset.
Full speed (PHY clock is 48 MHz).