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AFDX 1G MAC
Design IP
Overview

SmartDV’s AFDX (Avionics Full Duplex Switched Ethernet) 1G MAC IP is a silicon-proven, high-performance solution built for safety-critical aerospace and defense systems. Fully compliant with ARINC 664 specifications, it ensures deterministic, high-speed, and fault-tolerant data communication across avionics networks.
Designed for flexibility, the IP core is highly configurable to meet specific design requirements, supporting both ASIC and FPGA implementations while optimizing for area, power, and performance. It can be seamlessly integrated with AFDX switch controllers and supports features like virtual links, traffic shaping, and redundancy management, making it ideal for modern avionics architectures.

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AFDX 1G MAC
Benefits
  • Full-duplex Ethernet link for high-speed, reliable communication
  • Virtual Link Traffic Shaping with configurable Bandwidth Allocation Gap (BAG)
  • Ultra-low latency and compact footprint for resource-constrained designs
  • Programmable Inter-Packet Gap (IPG) and preamble length for design flexibility
  • Support for GMII, RGMII, and MII interfaces
  • MDIO interface compliant with Clause 22 and Clause 45 standards
Compliance and Compatibility
  • Fully compliant with ARINC 664 for avionics Ethernet communication
  • Supports 10/100/1000 Mbps speeds per IEEE 802.3-2018
  • Frame preemption as per IEEE 802.1Qbu
  • Interspersed express traffic compliant with IEEE 802.3br
  • Time-aware traffic scheduling per IEEE 802.1Qav and 802.1Qbv
  • Frame replication and elimination per IEEE 802.1CB
  • Class-based flow control with FIFO buffering for each class, per IEEE 802.1Q
  • Compatible with all major EDA tools for synthesis, simulation, and linting

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