ug899Creating Single-Ended or Differential IO Ports - 2020.2 English - UG899 Vivado Desn Suite User Guide: IO and Clock Planning (UG899) Document ID UG899 Release DateXilinx Resources - 2022.2 English - UG899 Vivado Desn Suite User Guide: IO and Clock Planning (UG899) Document ID UG899 Release Date Version 2022.2