Warning: <fPLL instance name>.xcvr_fpll_a10_0: The value of parameter cmu_fpll_pll_n_counter_coarse_dly cannot be automatically resolved. Valid value ranges are: {0 ps} {200 ps} {400 ps} {600 ps} {800 ps} {1.0 ns}. - Warning: <fPLL instance name>.xcvr_fpll_a10_0: The value of parameter cmu_fpll_pll_n_counter_coarse_dly cannot be automatically resolved. Valid value ranges are: {0 ps} {200 ps} {400 ps} {600 ps} {800 ps} {1.0 ns}. Description Due to a problem in the Quartus® II software version 14.0 Arria® 10 Edition and later, you may observe the following warnings in the IP Parameter Editor when instantiating the Arria 10 fPLL: Warning: <fPLL instance name>.xcvr_fpll_a10_0: The value of parameter cmu_fpll_pll_n_counter_coarse_dly cannot be automatically resolved. Valid value ranges are: {0 ps} {200 ps} {400 ps} {600 ps} {800 ps} {1.0 ns}. Warning: <fPLL instance name>.xcvr_fpll_a10_0: The value of parameter cmu_fpll_pll_n_counter_fine_dly cannot be automatically resolved. Valid value ranges are: {0 ps} {50 ps} {100 ps} {150 ps}. Warning: <fPLL instance name>.xcvr_fpll_a10_0: The value of parameter cmu_fpll_pll_ref_buf_dly cannot be automatically resolved. Valid value ranges are: {0 ps} {1.0 ns} {2.0 ns} {3.0 ns} {4.0 ns} {5.0 ns}. Resolution This is a known bug in Quartus II software version 14.0 Arria 10 Edition and later. You may ignore these false warnings. This problem 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 14.0a10 ['Arria® FPGAs', 'Arria® 10 FPGAs and SoCs', 'Arria® 10 GX FPGA'] ['novalue'] ['novalue'] ['novalue']