Net Buses/Groups
Generate a Net Group or Bus Group.
This will be used for PollEx DFE+ option. You can classify nets according to their electrical characteristics. By using net class assigned to each net, DDR nets are automatically grouped when performing Automatic DDR Bus Analysis. Upon selecting the Properties-Net Buses/Groups menu, the Net Buses/Groups dialog opens.
Click Generate DDR Buses, the DDR Bus groups will be generated automatically. In this process, it creates a following table by referring to Net Classes and Electrical constraints of nets. You can add arbitrary bus group by clicking Add.