10G MAC/PCS ULL edition

10G Ethernet MAC/PCS Ultra Low Latency IP core for FPGAs,
exclusively on nxFramework

The world’s most reliable and mature full hardware ultra-low latency MAC & PCS IP Cores.


Bring the best-in-class ultra-low latency network connectivity to your hardware code and algorithms with Enyx rock-solid and acclaimed Ethernet IP Cores.


Minimize time-to-market with our full RTL implementation and support. Stay always at the forefront of technology with our frequent updates with the latest latency improvements and optimizations.


nxMAC/PCS – ULL is available exclusively on nxFramework.


The nxMAC/PCS – Ultra low latency edition overview:

schema nxMacs-nxPCS

Performance Reports

Consult our latest latency figures


view report

Key Points

MAC + PCS IP Cores


  • Best-in-class latency from the wire to the user’s own logic. 29 ns RTT — SOP to SOF @ 322 MHz on Xilinx Virtex Ultrascale+
  • Full RTL Enyx proprietary ultra-low latency hardware MAC and PCS implementations.
  • Clock running at up to 322 MHz, for improved latency results.
  • Standardized Avalon and AXI-4 packet streaming interfaces.
  • Unlimited instances per FPGA



Available FPGA providers:

Technical Specifications


Layers 1 and 2: Physical and Data Link


Management of layers 1 and 2 (OSI Model), compliant with:

  • Layer 1: IEEE802.3
  • Layer 2: IEEE802.3


Avalon/AXI-4 Streaming

  • 64-bit wide interface running at 322MHz for MAC client port


Core monitoring (optional)

  • 32-bit Avalon-MM/AXI- 4 lite slave control interface for MAC monitoring
  • Status and statistics available for monitoring at MAC  level

Supported FPGA platforms:

Package contents


nxMAC + nxPCS IP Core
– Libraries for functional simulation
– Synthesizable VHDL and Verilog RTL (encrypted) for synthesis/implementation


nxMAC + nxPCS Testbench
– Simulation libraries


Client-Server Reference Designs
– Simulation environment and scripts
– Quartus II and Vivado Synthesis/implementation project for supported partner’s boards


Complete Documentation
– User’s manual
– Getting started guide


Technical Support and Maintenance Updates
– 1 year of technical support
– 1 year of IP updates

Enyx certified board partners:

Available reference designs


Xilinx Virtex UltraScale +


Intel Arria 10


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