> I'm having trouble with a PIC16F628 sending data @ 2400 baud and
> using internal OSC.    Using code rather than USART.   Seems to
> be 1 bit out every ten bytes or so.

        The internal osc in the 628 isn't generally accurate enough to do serial.
With that said I've done a few projects with the internal osc using the
hardware UART and haven't had any problems. TTYL

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