GTS Ethernet Hard IP User Guide: Agilex™ 3 FPGAs and SoCs

ID 848477
Date 7/07/2025
Public
Document Table of Contents

12.4.2. PTP User Flow

You must implement proper TX and RX data flows prior to sending PTP commands to the IP core and utilizing the timestamps.
Attention: The following flows depict pseudo-code meant for conceptual, illustrative purposes. For definitive software routines, consult the design example.

The figures below depict the TX and RX client flows described in the PTP TX Client Flow and PTP RX Client Flow sections.

Figure 82. PTP TX Client Flow
The figure displays the following events in PTP TX client flow. For more information, refer to PTP TX User Flow.
  • A: Reading TX raw offset data from IP
  • B: Calculating the TX offset value
  • C: Writing calculated TX offset value to the IP