AR# 45731: RXAUI v2.2 - Timing Failure in Marvell Mode when targeting Kintex-7 and Virtex-7 devices
AR# 45731
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RXAUI v2.2 - Timing Failure in Marvell Mode when targeting Kintex-7 and Virtex-7 devices
Description
When targeting Kintex-7 and Virtex-7 devices in ISE 13.4 software, timing errors might be encountered using RXAUI v2.2 with the Marvell mode selected. The symptom is that the design might fail to meet timing with trce reporting a path with large clock skew on a RX path from the GTX similar to the following: