Why can't I generate a reduced MIF file with altgx_diffmifgen.exe for an Arria II GX TX only instance? - Why can't I generate a reduced MIF file with altgx_diffmifgen.exe for an Arria II GX TX only instance? Description Due to a bug in Quartus® II software versions 11.1sp2 and later you might see the following error message when trying to generate a reduced MIF file with altgx_diffmifgen.exe for an Arria® II GX TX only instance. Traceback (most recent call last): File "<string>", line 499, in <module> File "<string>", line 489, in altera_main File "<string>", line 348, in read File "<string>", line 255, in calc_word_line_number AttributeError: diff_mif_gen instance has no attribute 'has_rxpll' Resolution This issue will be fixed in a future version of the Quartus II software. Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['FPGA Dev Tools Quartus II Software'] novalue 11.1.2 ['Arria® II FPGAs', 'Arria® II GX FPGA'] ['novalue'] ['novalue'] ['novalue']