pub type Bfa3W<'a, REG> = BitWriter<'a, REG, Bfa3>;
Field BFA3 writer - Boundary Flag 3 Activation Select
BFA3
struct Bfa3W<'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