Of course you're right, Gerhard!! I was looking at STATE changes, rather 
than falling edges!! My bad!

Thanks for the correction!
Dennis

Gerhard Fiedler wrote:
> Dennis J. Murray wrote:
>
>   
>> First of all, Andre, the sequence should be: 00, 01,11,10, then repeat. I
>> assume your submitted sequence had a typo! The second, more important
>> point: if you just look at just one channel for a falling edge, you'll
>> miss a lot! Look at the sequence again and you'll see what I mean.
>> Channel A has a falling edge every TWO signal changes, NOT on every
>> change! Same for Channel B.
>>     
>
> FWIW, wouldn't that be a falling edge every /four/ state changes? And a
> (rising or falling) edge every two state changes?
>
> Gerhard
>
>   
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