Hi all, Found the culprit after some hours of head scratching. I accidently put a '1' instead of a '0' in the bit that enables the EUSART1 module. cheers Tony On Sat, Oct 7, 2017 at 2:11 PM, Jason White wrote: > It may be interesting to disassemble the compiled output of the working C > examples > > On Friday, October 6, 2017, Anthony Nixon wrote: > >> Hi all, >> >> I am using a 18 f47K40 for a project that uses the serial port on >> RC6(Rx) and RC7(Rx) but cannot get the port to work. >> >> I have many projects like this using 16F devices but I can't get this >> one working. >> >> I know the chip is functioning because of a led display working and as >> far as I can tell the basic EUSART setup is the same as other chips I >> have used. >> >> I have not used the peripheral pin select before and may be that is the >> problem. >> >> I am programming in assembler and all web examples are in C with >> function calls that do not explain the pin setup process. >> >> This is a snippet of the PPS code >> >> BANKSEL RX1PPS >> >> movlw b'00010111' >> movwf RX1PPS,BANKED ; PORTC<7> as the EUSART1 RX input, >> >> movlw b'00001001' ; PORTC<6> as the EUSART1 TX output >> movwf RC6PPS,BANKED >> >> Any help appreciated. >> >> cheers >> >> Tony >> -- >> http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive >> View/change your membership options at >> http://mailman.mit.edu/mailman/listinfo/piclist >> > > > -- > Jason White > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .