Altera Interlaken MegaCore Function User Guide

User guide for Altera's Interlaken MegaCore Function implementing Interlaken Protocol v1.2 for FPGA design with parameter settings, functional description…


Altera Interlaken MegaCore Function User Guide - cover page
Brand
Altera
Document type
User Manual
Language
English
Pages
86
File format
PDF
File size
2.6 MB
Published
05 November, 2026
Updated
05 November, 2026
MD5 checksum
1A2A71CDB1B84F5DA6685CD0295E52DD

About this manual

This document provides detailed instructions for using the Altera Interlaken MegaCore Function, which implements the Interlaken Protocol Specification, Revision 1.2. It covers design flows, parameter settings, functional descriptions, and signal interfaces for FPGA implementations. The function supports various lane configurations and data rates on Stratix IV GT and GX devices, with features including flow control, low overhead framing, and integrity checking. It includes simulation and hardware verification guidance, as well as resource utilization data for different configurations.

What's inside

  • About This MegaCore Function
  • Getting Started
  • Parameter Settings
  • Functional Description
  • Signals
  • Qsys Design Examples
  • Appendix A: Initializing the MegaCore Function
  • Appendix B: Excluding Transceivers
  • Appendix C: Closing Timing
  • Appendix D: Connecting to User-Defined Arbitration

Specifications

Supported Lane Rates3.125 to 10.3125 Gbps (Stratix IV GT), 3.125 to 6.375 Gbps (Stratix IV GX)
Supported Number of Lanes4, 8, 10, 12, and 20
Raw Bandwidth12.50 Gbps to 127.50 Gbps

Frequently asked questions

What protocol does the Interlaken MegaCore Function implement?

It implements the Interlaken Protocol Specification, Revision 1.2.

What are the supported lane rates for Stratix IV GT devices?

Lane rates from 3.125 to 10.3125 Gbps.

What is the maximum raw bandwidth supported?

Up to 127.50 Gbps raw bandwidth.

What interfaces does the MegaCore function provide?

It provides Avalon-ST interfaces on the transmit and receive datapaths.

Download PDF (2.6 MB)

More Altera Manuals


View all Altera manuals →