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