Recovery Failure for 10GbE MAC with 10GBASE-R PHY Design Example in Stratix IV Devices

Description

When you compile the 10GbE MAC with 10GBASE-R PHY design example in Stratix IV devices, the Quartus II TimeQuest Timing Analyzer reports a failure in the Recovery timing analysis report.

This issue affects the 10GbE MAC with 10GBASE R PHY design example in Stratix IV devices.

Resolution

No workaround.

This issue will be fixed in a future version of the 10-Gbps Ethernet MAC MegaCore function.