AR# 71379

CPRI v8.7 (Rev 3) - The QPLL clock frequency on a 10.1G FEC enabled line rate is not correct

Description

The QPLL clock frequency on a 10.1G FEC enabled line rate is not correct.

What can cause this problem?

Solution

This is a known issue in CPRI version 8.7 Rev 3, included in the 2017.2 release.

It is fixed in CPRI version 8.9 included in Vivado 2018.1 and later versions.

  • Vivado 2017.2 - User can download the CPRI IP patch from (Xilinx Answer 71370) to work around the problem
  • Vivado 2018.1 - The issue has been fixed in 2018.1 and later versions.

For a detailed list of CPRI Release Notes and Known Issues, see (Xilinx Answer 54473).

Linked Answer Records

Master Answer Records

Answer Number Answer Title Version Found Version Resolved
71370 CPRI v8.7 (Rev 3) - Patch update for CPRI v8.7 (Rev 3) in Vivado 2017.2 N/A N/A
AR# 71379
Date 09/12/2018
Status Active
Type General Article
IP