F-Tile Low Latency Ethernet 10G MAC Intel® FPGA IP Design Example User Guide

Download PDF
ID 720987
Date 7/08/2024
Public
Document Table of Contents
Document Table of Contents x
1. About the F-Tile Low Latency Ethernet 10G MAC Intel® FPGA IP Design Example User Guide 2. Quick Start Guide 3. 10M/100M/1G/2.5G/5G/10G (USXGMII) Ethernet Design Example 4. Interface Signals Description 5. Configuration Registers Description 6. F-Tile Low Latency Ethernet 10G MAC Intel FPGA IP Design Example User Guide Archives 7. Document Revision History for the F-Tile Low Latency Ethernet 10G MAC Intel® FPGA IP Design Example User Guide
2. Quick Start Guide x
2.1. Directory Structure 2.2. Generating the Design 2.3. Compiling and Simulating the Design 2.4. Compiling and Testing the Design in Hardware 2.5. Signal Tap Debugging
2.2. Generating the Design x
2.2.1. Procedure 2.2.2. Design Example Parameters
2.3. Compiling and Simulating the Design x
2.3.1. Procedure 2.3.2. Testbench
2.4. Compiling and Testing the Design in Hardware x
2.4.1. Procedure 2.4.2. Hardware Setup
2.5. Signal Tap Debugging x
2.5.1. Signal Tap Debug Signals
3. 10M/100M/1G/2.5G/5G/10G (USXGMII) Ethernet Design Example x
3.1. Features 3.2. Hardware and Software Requirements 3.3. Functional Description 3.4. Simulation 3.5. Hardware Testing 3.6. Interface Signals 3.7. Configuration Registers
3.3. Functional Description x
3.3.1. Design Components 3.3.2. Clocking Scheme 3.3.3. Reset Scheme
3.3.3. Reset Scheme x
3.3.3.1. Reset Sequence
3.3.3.1. Reset Sequence x
3.3.3.1.1. Run-time Reset Sequence—TX 3.3.3.1.2. Run-time Reset Sequence—RX 3.3.3.1.3. Run-time Reset Sequence—TX + RX
3.4. Simulation x
3.4.1. Test Case—Design Example with the IEEE 1588v2 Feature 3.4.2. Test Case—Design Example without the IEEE 1588v2 Feature
3.5. Hardware Testing x
3.5.1. Test Procedure 3.5.2. Design Constraints
4. Interface Signals Description x
4.1. Clock and Reset Interface Signals 4.2. Avalon® Memory-Mapped Interface Signals 4.3. Avalon® Streaming Interface Signals 4.4. PHY Interface Signals 4.5. Status Interface 4.6. IEEE 1588v2 Timestamp Interface Signals 4.7. Packet Classifier Interface Signals 4.8. TOD Interface Signals
5. Configuration Registers Description x
5.1. Register Access Definition 5.2. Low Latency Ethernet 10G MAC 5.3. PHY 5.4. TOD
5.3. PHY x
5.3.1. 1G/2.5G/5G/10G Multirate PHY
1. About the F-Tile Low Latency Ethernet 10G MAC Intel® FPGA IP Design Example User Guide
2. Quick Start Guide
3. 10M/100M/1G/2.5G/5G/10G (USXGMII) Ethernet Design Example
4. Interface Signals Description
5. Configuration Registers Description
6. F-Tile Low Latency Ethernet 10G MAC Intel FPGA IP Design Example User Guide Archives
7. Document Revision History for the F-Tile Low Latency Ethernet 10G MAC Intel® FPGA IP Design Example User Guide

3.3.1. Design Components

Table 7.  Design Components
Component Description
LL 10GbE MAC

The Low Latency Ethernet 10G MAC Intel® FPGA IP with the following configuration:

  • Speed: 10M/100M/1G/2.5G/5G/10G (USXGMII)
  • Datapath options: TX & RX
  • Enable ECC on memory blocks: Not selected
  • Enable supplementary address: Selected
  • Enable statistics collection: Selected
  • Statistics counters: Memory-based
  • TX and RX datapath Reset/Default To Enable: Selected
  • Use legacy Avalon Memory-Mapped Interface: Not selected
  • Use legacy Avalon Streaming Interface: Selected
For the design example with the IEEE 1588v2 feature, the following additional parameters are configured:
  • Enable time stamping: Selected
  • Enable PTP one-step clock support: Selected
  • Enable asymmetry support: Not selected
  • Enable peer-to-peer support: Not selected
  • Timestamp fingerprint width: 4
  • Time Of Day format: Enable both 96b and 64b time-of-day format
PHY The 1G/2.5G/5G/10G Multirate Ethernet PHY Intel® FPGA IP with the following configuration:
  • Speed: 10M/100M/1G/2.5G/5G/10G
  • Enabled IEEE 1588 Precision Time Protocol: Selected
  • Connect to NBASE-T PHY: Selected
  • Reference clock frequency for 10GbE (MHz): 156.250000
Channel address decoder Decodes the addresses of the components in each Ethernet channel, such as PHY and LL 10GbE MAC.
Multi-channel address decoder Decodes the addresses of the components used by all channels.
Top address decoder Decodes the addresses of the top-level components, such as the Traffic Controller.
SYS PLL

F-Tile Reference and System PLL Clocks Intel® FPGA IP that generates reference clock and system PLL clocks for the Agilex™ 7 Transceiver.

Design Components for the IEEE 1588v2 Feature
Master TOD The master TOD for all channels.
TOD Synch Synchronizes the master TOD to all local TODs.
Local TOD The TOD for each channel.
TX Packet Classifier Classify transmitting packet and generate corresponding PTP packet command to the MAC IP.
Deterministic Latency Sampling PLL Generates sampling clock for latency measurement.
TOD Sync Sampling PLL Generates sampling clock for TOD Synchronizer.
Pulse Per Second Generates pulse per second (pps) based on TOD.
Level Two Title