How do I make a location assignment for fractional PLLs in Stratix® V devices? - How do I make a location assignment for fractional PLLs in Stratix® V devices? Description You can make a location assignment for fractional PLLs in Stratix® V devices in the Quartus® II software by using the Assignment Editor and perform these steps: In the Assignment Editor, set the Category to " Locations ". In the " To " column, select the PLL instance using the node finder. It is helpful to narrow down the search by selecting *.gpll* as the filter. In the " Assignment Name " column, select " Location ". Double click in the " Value " column and select " Fractional PLL " as the "Element" from the dropdown list. This will allow you to specify valid X, Y, and N locations from a dropdown list. Add " ~FRACTIONAL_PLL " to the PLL instance assignment to assign the PLL location correctly. For example, the node name in the " To " column should look similar to the following: altpll0:inst|altpll0_0002:altpll0_inst|altera_pll:altera_pll_i|general[0].gpll~FRACTIONAL_PLL An example of the .qsf setting would be: set_location_assignment FRACTIONALPLL_X0_Y122_N0 -to " altpll0:inst|altpll0_0002:altpll0_inst|altera_pll:altera_pll_i|general[0].gpll~FRACTIONAL_PLL" Resolution None Custom Fields values: ['novalue'] Troubleshooting 2205885612 False ['novalue'] ['novalue'] novalue novalue ['Stratix® V GX FPGA'] ['novalue'] ['novalue'] ['novalue']