serout out of order on 12F675

[paul borgmeier]

Serout2 sends LSB first – your HSB appears to be the one that is corrupted. This screams “timing issue” to me. If you are using the Internal Oscillator (which it appears you are), you might want to switch to a XTAL for reliable timing. If that is not possible, consider a slower baud rate or get a good scope and play with the OSCAL value until the timing works (at the given temperature – it will change if the temperature changes).
HTH,

[Ricardo]

Paul,

Based on your comment, I assumed that the pic basic was reading the stop bit as the MSB of the data. My conclusion is that the pic clock was too fast. So I reduced the OSCCAL from its 3460h original value to 3450h and it worked on the first try! Now I´ll play a litle bit more with the OSCCAL to find the midpoint to (hopefully) garantee that the circuit will be stable over temperature changes.

Thank you for your valuable help!