Low Latency Ethernet 10G MAC Stratix® 10 FPGA IP Design Example User Guide

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ID 683026
Date 1/23/2025
Public
Document Table of Contents
Document Table of Contents x
1. Quick Start Guide 2. 10GBASE-R 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. 10M/100M/1G/2.5G/5G/10G (USXGMII) Ethernet Design Example 7. Interface Signals Description 8. Configuration Registers Description 9. Low Latency Ethernet 10G MAC Stratix® 10 FPGA IP Design Example User Guide Archives 10. Document Revision History for the Low Latency Ethernet 10G MAC Stratix® 10 FPGA IP Design Example User Guide
1. Quick Start Guide x
1.1. Directory Structure 1.2. Generating the Design 1.3. Compiling and Simulating the Design 1.4. Changing Target Device in Hardware Design Example 1.5. Compiling and Testing the Design in Hardware
1.2. Generating the Design x
1.2.1. Procedure 1.2.2. Design Example Parameters
1.3. Compiling and Simulating the Design x
1.3.1. Procedure 1.3.2. Testbench
1.3.1. Procedure x
1.3.1.1. Updating PHY IP Design File Names
1.4. Changing Target Device in Hardware Design Example x
1.4.1. Procedure
1.5. Compiling and Testing the Design in Hardware x
1.5.1. Procedure 1.5.2. Hardware Setup
2. 10GBASE-R 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 and Reset Scheme
2.5. Hardware Testing x
2.5.1. Test Cases 2.5.2. Configuring FIFO Depth for Avalon® Streaming Loopback 2.5.3. Running Avalon® Streaming Loopback Test Case with Jumbo Ethernet Packets
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 3.3.4. Timing Constraints
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 4.3.4. Timing Constraints
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 5.3.4. Timing Constraints
5.4. Simulation x
5.4.1. Test Case—Design Example with the IEEE 1588v2 Feature
5.5. Hardware Testing x
5.5.1. Changing to SFP+ Setting 5.5.2. Test Procedure
6. 10M/100M/1G/2.5G/5G/10G (USXGMII) 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
6.4. Simulation x
6.4.1. Test Case—Design Example with the IEEE 1588v2 Feature 6.4.2. Test Case—Design Example without the IEEE 1588v2 Feature
6.5. Hardware Testing x
6.5.1. Test Procedure
7. Interface Signals Description x
7.1. Clock and Reset Interface Signals 7.2. Avalon® Memory-Mapped Interface Signals 7.3. Avalon® Streaming Interface Signals 7.4. PHY Interface Signals 7.5. Status Interface 7.6. IEEE 1588v2 Timestamp Interface Signals 7.7. Packet Classifier Interface Signals 7.8. TOD Interface Signals
8. Configuration Registers Description x
8.1. Register Access Definition 8.2. Low Latency Ethernet 10G MAC 8.3. PHY 8.4. Transceiver Reconfiguration 8.5. TOD
8.3. PHY x
8.3.1. 1G/2.5G/5G/10G Multirate PHY
1. Quick Start Guide
2. 10GBASE-R 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. 10M/100M/1G/2.5G/5G/10G (USXGMII) Ethernet Design Example
7. Interface Signals Description
8. Configuration Registers Description
9. Low Latency Ethernet 10G MAC Stratix® 10 FPGA IP Design Example User Guide Archives
10. Document Revision History for the Low Latency Ethernet 10G MAC Stratix® 10 FPGA IP Design Example User Guide

7.1. Clock and Reset Interface Signals

Table 19.  Clock and Reset Interface Signals
Signal Direction Width Description
csr_clk In 1 125 MHz configuration clock for the Avalon® memory-mapped interface and core logic. In Stratix® 10 devices, it also provides clock for core logics.
csr_rst_n In 1

Active-low reset signal for the Avalon® memory-mapped interface.

tx_rst_n In 1

Active-low reset signal for the TX datapath.

rx_rst_n In 1

Active-low reset signal for the RX datapath.

mac_clk In 1 156.25 MHz configuration clock for the Avalon® streaming interface and 0 ppm frequency difference with refclk.
refclk In 1 125 MHz reference clock for the TX PLLs .
ref_clk_clk In 1 644.53125 MHz clock for the TX PLL.
core_clk_312 Out 1 312.5 MHz clock for the fast domain.
core_clk_156 Out 1 156.25 MHz clock for the slow domain.
rx_pma_clkout Out 1 CDR recovered clock.
reset In 1 Assert this asynchronous and active-high signal to reset the whole design example.
tx_digitalreset In [NUM_CHANNELS]

Asynchronous and active-high signal to reset PCS TX portion of the transceiver PHY.
rx_digitalreset In [NUM_CHANNELS]

Asynchronous and active-high signal to reset PCS RX portion of the transceiver PHY.
tx_digitalreset_stat Out [NUM_CHANNELS] Status signal for tx_digitalreset from PHY.
rx_digitalreset_stat Out [NUM_CHANNELS] Status signal for rx_digitalreset from PHY.
tx_analogreset In [NUM_CHANNELS] Asynchronous and active-high signal to reset PMA TX portion of the transceiver PHY
rx_analogreset In [NUM_CHANNELS] Asynchronous and active-high signal to reset PMA RX portion of the transceiver PHY.
tx_analogreset_stat Out [NUM_CHANNELS] Status signal for tx_analogreset from PHY.
rx_analogreset_stat Out [NUM_CHANNELS] Status signal for rx_analogreset from PHY.
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