How do I use an FPLL as a Tx PLL in Arria V GX and Stratix V GX devices? - How do I use an FPLL as a Tx PLL in Arria V GX and Stratix V GX devices? Description To use an fPLL as a Tx PLL in Arria® V GX and Stratix® V GX devices, you must use the Native PHY. You should select "External PLL" mode in the Native PHY MegaWizard™ and connect the output clock of your fPLL to the ext_pll_clk input port of the Native PHY. Resolution Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['FPGA Dev Tools Quartus II Software'] novalue 12.0.2 ['Arria® V GX FPGA', 'Stratix® V GX FPGA'] ['novalue'] ['novalue'] ['novalue']