F-Tile Low Latency 50G Ethernet Intel® FPGA IP User Guide

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ID 758946
Date 1/09/2024
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Document Table of Contents
Document Table of Contents x
1. About the F-Tile Low Latency 50G Ethernet Intel® FPGA IP User Guide 2. About this IP 3. Getting Started 4. F-Tile Low Latency 50G Ethernet Intel® FPGA IP Parameters 5. Functional Description 6. Reset 7. Interfaces and Signal Descriptions 8. Control, Status, and Statistics Register Descriptions 9. Document Revision History for the F-Tile Low Latency 50G Ethernet Intel® FPGA 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 Intel® FPGA 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 Intel® FPGA IP Cores x
3.1.1. Intel® 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 Intel® FPGA IP 3.5.3. Placement Settings for the 50G Ethernet Intel FPGA IP Core
5. Functional Description x
5.1. F-Tile Low Latency 50G Ethernet Intel® FPGA IP Functional Description 5.2. User Interface to Ethernet Transmission
5.1. F-Tile Low Latency 50G Ethernet Intel® FPGA IP Functional Description x
5.1.1. F-Tile Low Latency 50G Ethernet Intel® FPGA IP TX MAC Datapath 5.1.2. 50 GbE TX PCS 5.1.3. F-Tile Low Latency 50G Ethernet Intel® FPGA IP Core RX MAC Datapath 5.1.4. Link Fault Signaling Interface 5.1.5. 50 GbE RX PCS 5.1.6. Flow Control
5.1.1. F-Tile Low Latency 50G Ethernet Intel® FPGA 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 Low Latency 50G Ethernet Intel® FPGA 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
5.2. 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. Miscellaneous Status and Debug Signals 7.7. Flow Control 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. Statistics Registers
1. About the F-Tile Low Latency 50G Ethernet Intel® FPGA IP User Guide
2. About this IP
3. Getting Started
4. F-Tile Low Latency 50G Ethernet Intel® FPGA IP Parameters
5. Functional Description
6. Reset
7. Interfaces and Signal Descriptions
8. Control, Status, and Statistics Register Descriptions
9. Document Revision History for the F-Tile Low Latency 50G Ethernet Intel® FPGA IP User Guide

2. About this IP

The F-Tile Low Latency 50G Ethernet implements the 25G & 50G Ethernet Specification, Draft 1.6 from the 25 Gigabit Ethernet Consortium and the IEEE 802.3by 25Gb Ethernet specification. The IP includes an option to support unidirectional transport as defined in Clause 66 of the IEEE 802.3-2012 Ethernet Standard. The media access control (MAC) client side interface for the F-Tile Low Latency 50G Ethernet is a 64-bit Avalon® streaming interface. It maps to two 25.78125 Gbps transceivers. Transceiver interface to 25GBASE-SR optical Physical Medium Dependent (PMD) transceiver is supported.

The F-Tile Low Latency 50G Ethernet Intel® FPGA IP provides standard media access control (MAC) and physical coding sublayer (PCS), Reed-Solomon Forward Error Correction (RS-FEC), and physical medium attachment (PMA) functions shown in the following block diagrams. The physical layer (PHY) comprises the PCS, optional RS-FEC, and elective PMA.

Figure 1.  F-Tile Low Latency 50G Ethernet MAC, PCS, and PMA IP Block Diagram

The following block diagram shows an example of a network application with F-Tile Low Latency 50G Ethernet MAC and PHY.

Figure 2. Example Network Application

Section Content
Release Information
Features
Device Family Support
Performance and Resource Utilization

Related Information
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