> If you look at the DataSheet carefully (Section 2.2.1 in the
> Figure 2.1), there is only one place where they mention that
> "4 MHz input only" but AFAIK you can use higher crystal
> which can be divided to 4 MHz using the PLL divider like
> 12MHz/3

Someone mentioned that before, you or Dario I think. Uses
6MHz or 8MHz IIRC

> Anyway, in the evening I was thinking why did you use
> timer if you do not do anything else in parallel:

There are several ways I could have made the delay. TMR0
seemed the most convenient, and also this is a small part of a
very large project and it's probable I'll work the timer into the
interrupt handler later. There will be 3 UARTs running and I
need something more interactive than dedicated code. In the
end the timer problem highlighted something that needed to be
worked out

I appreciate the response and suggestion

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