>>Define SER_BITS 7
I think you mean DEFINE SER2_BITS 7 and this is for software Serial Out (not Hardware) so the data sheet will not help in this case. The hardware UART (on all PICs?) does not support 7N1.
Something to try: two adjacent pins connected together ... set one for output using SEROUT 8N1. Set the adjacent pin for output using SEROUT2 7N1. Make the pin not in use an input - switch back and forth as needed. You also could use the USART for the 8N1 rather than SEROUT. You might need weak pullups (or pulldowns if inverted mode) to ensure the serial line is not corrupted when you switch between pins.
Good Luck
Paul Borgmeier
Salt Lake City, UT
USA
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