> Isn't that where this digression into uart internal 
> operations started?
> Someone opined that pauses between characters would help 
> receivers sync
> up, and everyone jumped on it as not being needed if the uarts worked
> right.  Well, I agree, in principle, but here we are again at "extra
> time between characters might help", and I have to agree with 
> that TOO.

I don't agree to that, in the sense that IMHO a UART who benefits from
that extra space is badly written. Right after sampling the value of the
stop bit the state machine can start sampling for the start bit.

> Two nop's gets you to just before
> the middle of the first bit, three nop's to just after the 
> middle of the second bit...  Not a lot of time to do 
> everything perfect, and extra time
> between characters would probably help A LOT...

Why not ignore the stop bit altogether?

Wouter van Ooijen

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