LVDS Tunneling Protocol and Interface (LTPI) IP User Guide: Agilex™ 3 and Agilex™ 5 FPGAs and SoCs

ID 844310
Date 8/15/2025
Public
Document Table of Contents

1.4.4.1. Link Detect and Link Speed Selection Frames

The link detect and link speed selection frames are the initial frames transmitted during the LTPI bring-up flow.
These frames provide information for exchange between HPM and SCM within LTPI such as:
  • Speed capabilities
  • DC balance achievement on the link
  • LTPI version
  • Target link speed selection