F-Tile 25G Ethernet IP User Guide

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ID 750198
Date 8/13/2025
Public
Document Table of Contents
Document Table of Contents x
1. About the F-Tile 25G Ethernet Intel FPGA IP User Guide 2. About this IP 3. Getting Started 4. F-Tile 25G Ethernet IP Parameters 5. Functional Description 6. Reset 7. Interfaces and Signal Descriptions 8. Control, Status, and Statistics Register Descriptions 9. F-Tile 25G Ethernet IP User Guide Archive 10. Document Revision History for the F-Tile 25G Ethernet IP User Guide
2. About this IP x
2.1. Release Information 2.2. Features 2.3. Device Family Support 2.4. Performance and Resource Utilization
3. Getting Started x
3.1. Installing and Licensing IP Cores 3.2. Specifying the IP Core Parameters and Options 3.3. Simulating the IP Core 3.4. Generated File Structure 3.5. Integrating Your IP Core in Your Design 3.6. Compiling the Full Design and Programming the FPGA
3.1. Installing and Licensing IP Cores x
3.1.1. Altera FPGA IP Evaluation Mode
3.5. Integrating Your IP Core in Your Design x
3.5.1. Pin Assignments 3.5.2. Adding the F-Tile Reference and System PLL Clocks IP 3.5.3. Placement Settings for the F-Tile 25G Ethernet IP Core
4. F-Tile 25G Ethernet IP Parameters x
4.1. Main Tab Options 4.2. Analog Parameter Tab Options
4.2. Analog Parameter Tab Options x
4.2.1. Analog Parameter Settings
5. Functional Description x
5.1. F-Tile 25G Ethernet IP Core Functional Description 5.2. User Interface to Ethernet Transmission
5.1. F-Tile 25G Ethernet IP Core Functional Description x
5.1.1. F-Tile 25G Ethernet IP TX MAC Datapath 5.1.2. 25 GbE TX PCS 5.1.3. F-Tile 25G Ethernet IP Core RX MAC Datapath 5.1.4. Link Fault Signaling Interface 5.1.5. 25 GbE RX PCS 5.1.6. Flow Control
5.1.1. F-Tile 25G Ethernet IP TX MAC Datapath x
5.1.1.1. Frame Padding 5.1.1.2. Preamble Insertion 5.1.1.3. Inter-Packet Gap Generation and Insertion 5.1.1.4. Frame Check Sequence (CRC32) Insertion
5.1.3. F-Tile 25G Ethernet IP Core RX MAC Datapath x
5.1.3.1. IP Core Preamble Processing 5.1.3.2. IP Core Malformed Packet Handling 5.1.3.3. Length/Type Field Processing
5.1.3.3. Length/Type Field Processing x
5.1.3.3.1. Length Checking 5.1.3.3.2. RX CRC Checking and Dynamic Forwarding
5.1.6. Flow Control x
5.1.6.1. TX Pause/PFC Flow Control Frame Transmission Request 5.1.6.2. XON/XOFF Pause Frames 5.1.6.3. Dynamic Reconfiguration QSF Settings
5.2. User Interface to Ethernet Transmission x
5.2.1. Order of Transmission 5.2.2. Bit Order For TX and RX Datapaths
7. Interfaces and Signal Descriptions x
7.1. TX MAC Interface to User Logic 7.2. RX MAC Interface to User Logic 7.3. Transceivers 7.4. Transceiver Reconfiguration Signals 7.5. Avalon® Memory-Mapped Management Interface 7.6. Dynamic Reconfiguration Interface Signals 7.7. Miscellaneous Status and Debug Signals 7.8. Clock Signals 7.9. Reset Signals
8. Control, Status, and Statistics Register Descriptions x
8.1. TX MAC Registers 8.2. RX MAC Registers 8.3. Pause/PFC Flow Control Registers 8.4. Statistics Registers 8.5. Hard IP Registers
8.4. Statistics Registers x
8.4.1. TX Statistics Registers 8.4.2. RX Statistics Registers
1. About the F-Tile 25G Ethernet Intel FPGA IP User Guide
2. About this IP
3. Getting Started
4. F-Tile 25G Ethernet IP Parameters
5. Functional Description
6. Reset
7. Interfaces and Signal Descriptions
8. Control, Status, and Statistics Register Descriptions
9. F-Tile 25G Ethernet IP User Guide Archive
10. Document Revision History for the F-Tile 25G Ethernet IP User Guide

1. About the F-Tile 25G Ethernet Intel FPGA IP User Guide

Updated for:
Intel® Quartus® Prime Design Suite 24.3
IP Version 7.0.0
This user guide provides the features, architecture description, steps to instantiate, and guidelines about the F-Tile 25G Ethernet IP for the Agilex™ 7 devices.

Intended Audience

This document is intended for:

  • Design architect to make IP selection during system level design planning phase
  • Hardware designers when integrating the IP into their system level design
  • Validation engineers during system level simulation and hardware validation phase

Related Documents

The following table lists other reference documents which are related to the F-Tile 25G Ethernet IP protocol.
Table 1.  Related Documents
Reference Description
F-Tile 25G Ethernet IP Design Example User Guide Provides information about how to instantiate F-Tile 25G Ethernet IP design examples using the Agilex™ 7 (F-Tile) devices.
F-Tile 25G Ethernet IP Release Notes Lists the changes made for the F-Tile 25G Ethernet IP in a particular release.
F-Tile Ethernet Intel FPGA Hard IP User Guide Provides the features, architecture description, steps to instantiate, and guidelines about the F-Tile Ethernet Intel FPGA Hard IP User Guide.
F-Tile Architecture and PMA and FEC Direct PHY IP User Guide Provides information about the architecture and implementation details for the Agilex™ 7 F-Tile building blocks, physical (PHY) layer IP, PLLs, and clock networks.

Acronyms and Glossary

Table 2.  Acronym List
Acronym Expansion
ALM Adaptive Logic Element
AVMM Avalon® memory-mapped interface
AVST Avalon® streaming interface
AXI ARM corporation's Advanced Extensible Interface
CRC Cyclic redundancy code
CSR Control and Status Register
EMIB Intel Embedded Silicon Bridge technology
FCQN Flow Control Queue Number
FPGA Field Programmable Gate Array
LAB Logic Array Block
MAC Media Access Control
MLAB Memory Logic Array Block
PCS Physical coding sublayer
PFC Priority-based flow control
PHY Physical layer
PLL Phase-locked loop
PMA Physical medium attachment
QN Queue Number
Level Two Title