Low Latency Ethernet 10G MAC IP Design Example User Guide: Agilex™ 3 and Agilex™ 5 FPGAs and SoCs

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ID 813665
Date 8/04/2025
Public
Document Table of Contents
Document Table of Contents x
1. Quick Start Guide 2. 10M/100M/1G/2.5G Ethernet Design Example 3. 10M/100M/1G/2.5G/10G Ethernet Design Example 4. 1G/2.5G Ethernet Design Example with IEEE 1588v2 Feature 5. 1G/2.5G/10G Ethernet Design Example with IEEE 1588v2 Feature 6. 2.5G Ethernet Design Example 7. 2.5G Ethernet Design Example with IEEE 1588v2 Feature 8. 10M/100M/1G/2.5G/10G MGE (Multi Gigabit Ethernet) PCS Only Ethernet Design Example 9. 10M/100M/1G/2.5G/5G/10G (USXGMII) Ethernet Design Example 10. 10M/100M/1G/2.5G/5G/10G (USXGMII) Ethernet Design Example with IEEE 1588v2 Feature 11. Interface Signals Description 12. Configuration Registers Description 13. Low Latency Ethernet 10G MAC IP Design Example User Guide: Agilex™ 3 and Agilex™ 5 FPGAs and SoCs Archives 14. Document Revision History for the Low Latency Ethernet 10G MAC IP Design Example User Guide: Agilex™ 3 and Agilex™ 5 FPGAs and SoCs
1. Quick Start Guide x
1.1. Directory Structure 1.2. Generating the Design 1.3. Simulating the Design 1.4. Compiling and Configuring the Design Example in Hardware 1.5. Signal Tap Debugging
1.2. Generating the Design x
1.2.1. Procedure 1.2.2. Design Example Parameters
1.3. Simulating the Design x
1.3.1. Procedure 1.3.2. Testbench
1.4. Compiling and Configuring the Design Example in Hardware x
1.4.1. Procedure 1.4.2. Hardware Setup
1.5. Signal Tap Debugging x
1.5.1. Signals Description 1.5.2. Signals List
2. 10M/100M/1G/2.5G Ethernet Design Example x
2.1. Features 2.2. Hardware and Software Requirements 2.3. Functional Description 2.4. Simulation 2.5. Hardware Testing 2.6. Interface Signals 2.7. Configuration Registers
2.3. Functional Description x
2.3.1. Design Components 2.3.2. Clocking Scheme 2.3.3. Reset Scheme
2.5. Hardware Testing x
2.5.1. Test Procedure
3. 10M/100M/1G/2.5G/10G 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
3.5. Hardware Testing x
3.5.1. Test Procedure
4. 1G/2.5G Ethernet Design Example with IEEE 1588v2 Feature x
4.1. Features 4.2. Hardware and Software Requirements 4.3. Functional Description 4.4. Simulation 4.5. Hardware Testing 4.6. Interface Signals 4.7. Configuration Registers
4.3. Functional Description x
4.3.1. Design Components 4.3.2. Clocking Scheme 4.3.3. Reset Scheme
4.4. Simulation x
4.4.1. Test Case—Design Example with the IEEE 1588v2 Feature
4.5. Hardware Testing x
4.5.1. Test Procedure
5. 1G/2.5G/10G Ethernet Design Example with IEEE 1588v2 Feature x
5.1. Features 5.2. Hardware and Software Requirements 5.3. Functional Description 5.4. Simulation 5.5. Hardware Testing 5.6. Interface Signals 5.7. Configuration Registers
5.3. Functional Description x
5.3.1. Design Components 5.3.2. Clocking Scheme 5.3.3. Reset Scheme
5.4. Simulation x
5.4.1. Test Case—Design Example with the IEEE 1588v2 Feature
5.5. Hardware Testing x
5.5.1. Test Procedure
6. 2.5G Ethernet Design Example x
6.1. Features 6.2. Hardware and Software Requirements 6.3. Functional Description 6.4. Simulation 6.5. Hardware Testing 6.6. Interface Signals 6.7. Configuration Registers
6.3. Functional Description x
6.3.1. Design Components 6.3.2. Clocking Scheme 6.3.3. Reset Scheme
6.5. Hardware Testing x
6.5.1. Test Procedure
7. 2.5G Ethernet Design Example with IEEE 1588v2 Feature x
7.1. Features 7.2. Hardware and Software Requirements 7.3. Functional Description 7.4. Simulation 7.5. Hardware Testing 7.6. Interface Signals 7.7. Configuration Registers
7.3. Functional Description x
7.3.1. Design Components 7.3.2. Clocking Scheme 7.3.3. Reset Scheme
7.4. Simulation x
7.4.1. Test Case—Design Example with the IEEE 1588v2 Feature
7.5. Hardware Testing x
7.5.1. Test Procedure
8. 10M/100M/1G/2.5G/10G MGE (Multi Gigabit Ethernet) PCS Only Ethernet Design Example x
8.1. Features 8.2. Hardware and Software Requirements 8.3. Functional Description 8.4. Simulation 8.5. Hardware Testing 8.6. Interface Signals 8.7. Configuration Registers
8.3. Functional Description x
8.3.1. Design Components 8.3.2. Clocking Scheme 8.3.3. Reset Scheme
8.5. Hardware Testing x
8.5.1. Test Procedure
9. 10M/100M/1G/2.5G/5G/10G (USXGMII) Ethernet Design Example x
9.1. Features 9.2. Hardware and Software Requirements 9.3. Functional Description 9.4. Simulation 9.5. Hardware Testing 9.6. Interface Signals 9.7. Configuration Registers
9.3. Functional Description x
9.3.1. Design Components 9.3.2. Clocking Scheme 9.3.3. Reset Scheme
9.5. Hardware Testing x
9.5.1. Test Procedure
10. 10M/100M/1G/2.5G/5G/10G (USXGMII) Ethernet Design Example with IEEE 1588v2 Feature x
10.1. Features 10.2. Hardware and Software Requirements 10.3. Functional Description 10.4. Simulation 10.5. Hardware Testing 10.6. Interface Signals
10.3. Functional Description x
10.3.1. Design Components 10.3.2. Clocking Scheme 10.3.3. Reset Scheme
10.4. Simulation x
10.4.1. Test Case—Design Example with the IEEE 1588v2 Feature
10.5. Hardware Testing x
10.5.1. Test Procedure
11. Interface Signals Description x
11.1. Clock and Reset Interface Signals 11.2. Avalon® Memory-Mapped Interface Signals 11.3. Avalon® Streaming Interface Signals 11.4. PHY Interface Signals 11.5. Status Interface 11.6. IEEE 1588v2 Timestamp Interface Signals
12. Configuration Registers Description x
12.1. Register Access Definition 12.2. Low Latency Ethernet 10G MAC 12.3. PHY 12.4. Packet Generator and Traffic Monitor Register Map
12.3. PHY x
12.3.1. 1G/2.5G/5G/10G Multirate PHY
1. Quick Start Guide
2. 10M/100M/1G/2.5G Ethernet Design Example
3. 10M/100M/1G/2.5G/10G Ethernet Design Example
4. 1G/2.5G Ethernet Design Example with IEEE 1588v2 Feature
5. 1G/2.5G/10G Ethernet Design Example with IEEE 1588v2 Feature
6. 2.5G Ethernet Design Example
7. 2.5G Ethernet Design Example with IEEE 1588v2 Feature
8. 10M/100M/1G/2.5G/10G MGE (Multi Gigabit Ethernet) PCS Only Ethernet Design Example
9. 10M/100M/1G/2.5G/5G/10G (USXGMII) Ethernet Design Example
10. 10M/100M/1G/2.5G/5G/10G (USXGMII) Ethernet Design Example with IEEE 1588v2 Feature
11. Interface Signals Description
12. Configuration Registers Description
13. Low Latency Ethernet 10G MAC IP Design Example User Guide: Agilex™ 3 and Agilex™ 5 FPGAs and SoCs Archives
14. Document Revision History for the Low Latency Ethernet 10G MAC IP Design Example User Guide: Agilex™ 3 and Agilex™ 5 FPGAs and SoCs

8.3.1. Design Components

Table 23.  Design Components
Component Description
LL 10GbE MAC

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

  • Speed: 10M/100M/1G/2.5G/10G
  • Datapath options: TX & RX
  • Enable ECC on memory blocks: Not selected
  • Enable preamble pass-through mode: Not selected
  • Enable priority-based flow control(PFC): 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
  • Use legacy XGMII Interface: Selected
PHY The 1G/2.5G/5G/10G Multirate Ethernet PHY IP with the following configuration:
  • Speed: 1G/2.5G/10G
  • Ethernet Mode: PCS Only
  • SGMII bridge: Selected
  • Connect to MGBASE-T PHY: Selected
  • Connect to NBASE-T PHY: Not selected
Direct PHY The GTS PMA/FEC Direct PHY IP with the following configuration:
  • Direct PHY Operation Mode: Dynamically Reconfigurable
  • Reconfiguration group: 1 Lane
  • PMA mode: Duplex
  • Enable Custom PCS use: Selected
  • System PLL Frequency: 322.265625 MHz
  • Number of Secondary Profiles : 2
  • Enable Avalon Memory Mapped interface : Selected
  • Enable Direct PHY soft CSR : Selected
  • Profile 0:
    • PMA data rate: 10312.5 Mbps
    • PMA width: 32
    • PCS Options P0: Enable Custom PCS: Selected
    • Select Custom PCS interface: IEEE MII Interface
  • Profile 1:
    • PMA data rate: 3125 Mbps
    • PMA width: 20
    • PCS Options P1: Enable Custom PCS: Not Selected
  • Profile 2:
    • PMA data rate: 1250Mbps
    • PMA width: 20
    • PCS Options P2: Enable Custom PCS: Not Selected
GTS Reset Sequencer Resets the transceiver.
Address Decoder Decodes the addresses of the components.
System PLL Supports system PLL clocking mode for Direct PHY.
Dynamic Reconfiguration (DR) Controller Allows to dynamically reconfigure a subset of the transceiver channels to operate in different modes, for example data rates, without impacting the adjacent active channels.

Dynamic Reconfiguration (DR) IP Configuration:

  • Nios V data memory size: 8192
  • Number of transceiver channels: 1
  • Number of supported profiles: 3
  • CSR clock frequency in MHz : 100 MHz
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