pub type XTMODE_W<'a, REG> = FieldWriter<'a, REG, 2, XTMODE_A, Safe>;
Field XTMODE writer - Trigger Operating Mode
XTMODE
struct XTMODE_W<'a, REG> { /* private fields */ }
No external trigger
Trigger event upon a falling edge
Trigger event upon a rising edge
Trigger event upon any edge