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AR# 33460

LogiCORE CPRI v2.3 - Virtex-6 FPGA GTX reference clock default is 122.88 MHz

Description

The CPRI core defaults to using a 122.88 MHz reference clock when a design is generated for Virtex-6. CPRI operation at speeds of 2.4 Gbps and above might require a different reference clock selection.

Solution

Please read device errata and user guides, or contact Xilinx for guidance on selecting the correct reference clock.

AR# 33460
Date Created 09/09/2009
Last Updated 12/15/2012
Status Archive
Type General Article