    DirA:        0*L->H,        0*H->L
    DirB:        1*L->H,        0*H->L
 EnableA:        1*L->H,        1*H->L
 EnableB:        2*L->H,        1*H->L
   StepA:     1000*L->H,     1000*H->L, Max High=13us Total High=4233us
   StepB:     1000*L->H,     1000*H->L, Max High=16us Total High=4997us
Position[A]=1000

Position[B]=1000

Time in EnableA  max=225400 us, total=225400 us

Time in EnableB  max=238121 us, total=238121 us

Time in FillISR  max=2674 us, total=47996 us

Time in StepA  max=13 us, total=4233 us

Time in StepB  max=16 us, total=4997 us

Time in StepISR  max=6 us, total=8566 us

