Darrel,
You're right (again). Vinculum is the way to go, and that chip I mentioned is a hub with 7 downstream and one upstream.... it may work, but not experimenting any more if I can avoid it. I bought what was available at Akihabara today - a USBN9604, which is a node controller from National Semicon. Can't wait to get out of this meeting and back home to put things together.
If I may ask another question...
1) I understand that coding away to filter all the stuff that would come in on a comparator would be an arduous task, but why is speed an issue? People can only type so fast. Or, would the comparator require a couple cycles each time doing it's thing? I know my code would require a couple of cycles to filter the signal as well. Gave up on that route for this particular endeavor, but still fishing around for information just because I want to know more about that function on MCU.
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