Harold Hallikainen wrote:
> I did a project with a bit banged uart on a 16f630 (1200bps). My second
> chip gave me serial errors, but I then discovered I needed to manually set
> the oscillator cal value (code below). After that, a bunch of systems have
> worked fine.
>
>         Bank1
> 	call 	3FFh 				;Get the cal value
> 	movwf 	OSCCAL ;Calibrate
>         Bank0
>
>
> Harold
>
>   
In line with that: I found out that running your system with TWO stop 
bits (rather than one) allows the
UARTS at each end to resynch between characters. This usually allows the 
system to work fine with
a 3-4% error.

--Bob

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