I am trying to use the XMC4500 (BGA144) with an external memory and all 6 USICs, but it seems there is a pinout problem. The EBU for the external memory uses the ports P0.5 and P2.14 and these are also the ports used by USIC U1C0.
Does this really mean that this USIC cannot be used when external memory is connected? Or is this an error in the Pinout Tool?
I see the pin multiplexing conflict, as you describe. Unfortunately the EBU does take up quite a few pins. The XMC4700 comes in a 196 pin LFBGA package, and this might be an option for your project.
