XAUI PHY megafunction generates warning messages in the MegaWizard Plug-In Manager

Description

When you generate a XAUI PHY megafunction with the XAUI PHY MegaWizard Plug-In Manager, if you select, on the General Options tab, Hard XAUI in the XAUI interface type box, the MegaWizard Plug-In Manager generates messages similar to the following:

Warning: <connection name> must be connected to an Avalon-ST sink Warning: <connection name> must be connected to an Avalon-ST source

If you turn on Include control and status ports on the Advanced Options tab, the MegaWizard Plug-In Manager generates the following additional message:

Warning: <connection name> cannot be both connected and exported

When you generate a XAUI PHY megafunction with the XAUI PHY MegaWizard Plug-In Manager, if you select, on the General Options tab, Soft XAUI in the XAUI interface type box, the MegaWizard Plug-In Manager also generates messages similar to the following:

Warning: alt_pma_0.tx_out_clk: Signal tx_out_clk[4] of type clk must have width [1] Warning: alt_pma_0.rx_recovered_clk: Signal rx_recovered_clk[4] of type clk must have width [1] Warning: sxaui_0.tx_out_clk: Signal tx_out_clk[4] of type clk must have width [1] Warning: sxaui_0.rx_recovered_clk: Signal rx_recovered_clk[4] of type clk must have width [1]

Resolution

These messages do not affect generation. You may safely ignore these messages.