pub type Bfa0W<'a, REG> = BitWriter<'a, REG, Bfa0>;
Field BFA0 writer - Boundary Flag 0 Activation Select
BFA0
struct Bfa0W<'a, REG> { /* private fields */ }
Set boundary flag BFLy if result is above the defined band or compare value, clear if below
Set boundary flag BFLy if result is below the defined band or compare value, clear if above