Agilex™ 5 Known Issue List

ID 849494
Date 11/24/2025
Public
Document Table of Contents

2.1.1.12. IEEE 1588v2 PTP Accuracy Issue for GTS Ethernet Hard IP for 25GE Rate Designs in Dynamically Reconfigurable Mode

Description

When switching from a PTP-enabled variant to a CPRI IP variant, you may observe IEEE 1588v2 PTP accuracy errors for GTS Ethernet Hard IP 25GE rate no-FEC designs in Dynamically Reconfigurable mode. You may encounter this issue when using Quartus® Prime Pro Edition software version 25.3 and earlier.

Workaround

None.

Status

Table 15.  Device Status Table
Devices Affected Planned Fix

A5EC008xxxxxxxx

A5EC013xxxxxxxx

A5ED008xxxxxxxxCS

A5ED013xxxxxxxxCS

This issue is planned to be fixed in a future release of the Quartus® Prime Pro Edition software