Im trying to assign two input pins(general purpose IO pin and RS232 RX) and two output pins(general purpose IO pin and RS232 TX) for the NIOS UART module. when i try to do this i get the error
Error: Net "rxd_to_the_UART", which fans out to "NIOSL2:inst|rxd_to_the_UART", cannot be assigned more than one value Error: Net is fed by "inst18~COMBOUT" Error: Net is fed by "inst17~COMBOUT"i tried assigning an input buffer(alt_inbuf) but i get a similar error. what do i do? :confused: and on an unrelated issue, would there be a problem is i assign two vcc pins for the LCDON and LCD backlight on pins? and i also assigned a ground pin to the Read/Write pin cause im not planning to do any read operation and made the data bus uni-directional. is there any problem with this configuration?
i just figured i asked two stupid questions hehewell the fan our problem could be solved using a simple or gate to or the inputs. and as for the lcd i switched to the lcd module provided in the university program ip core which does pretty much everything for you.. thanks anyways :)