DirA:        0*L->H,        0*H->L
    DirB:        1*L->H,        0*H->L
 EnableA:        2*L->H,        1*H->L
 EnableB:        0*L->H,        0*H->L
   StepA:    20000*L->H,    20000*H->L, Max High=10us Total High=101913us
   StepB:        2*L->H,        2*H->L, Max High=4us Total High=9us
Position[A]=20000

Position[B]=2

Time in EnableA  max=4203 us, total=4203 us

Time in StepA  max=10 us, total=101913 us

Time in StepB  max=4 us, total=9 us