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Overview

SmartDV’s Ethernet 10G PCS IP is a silicon-proven, fully featured Physical Coding Sublayer solution purpose-built for SoC designs requiring reliable 10 Gigabit Ethernet chip-to-chip and chip-to-module connectivity across networking, switching, and data center applications. Fully compliant with IEEE 802.3-2022 Clause 48 for XAUI PCS, it delivers complete 10GBASE-X PCS functionality with 8b/10b encoding across four independent 3.125 Gbaud lanes, extending the reach of the XGMII interface for board-level and chip-to-chip 10 Gigabit Ethernet designs.

Designed for the practical integration requirements of modern 10 Gigabit Ethernet switch, router, and NIC SoC designs, the IP implements 8b/10b encoding on each lane in the transmit path and 10b/8b decoding on each lane in the receive path to convert between serialized code-groups and 32-bit XGMII data with 4-bit control characters, complete per-lane code-group boundary synchronization, and deskew of received code-groups from all lanes to a common alignment pattern. Its conversion of XGMII Idle control characters to and from a randomized code-group sequence enables serial lane synchronization, clock rate compensation, and lane-to-lane alignment, giving networking SoC teams a production-tested, spec-complete 10G PCS implementation for XAUI-based 10 Gigabit Ethernet designs.

Built for design flexibility and silicon efficiency, the IP core is highly configurable for both ASIC and FPGA implementations, with a strong focus on area optimization, power management, and peak performance. Its parameterized lane architecture and clean host interface enable fast integration across a wide range of networking process nodes.

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Ethernet 10G PCS
Key Features
  • Full 10G XAUI PCS Functionality – Complete 10GBASE-X PCS implementation per IEEE 802.3-2022 Clause 48 with 8b/10b encoding across four independent 3.125 Gbaud lanes
  • Bidirectional 8b/10b Coding – 8b/10b encoding on each lane in the transmit path and 10b/8b decoding on each lane in the receive path
  • XGMII Interface Conversion – Complete conversion between 32-bit XGMII data with 4-bit control characters and serialized PCS code-groups
  • Code-Group Synchronization – Per-lane code-group boundary synchronization for reliable lane-level frame alignment
  • Lane Deskew – Deskew of received code-groups from all lanes to a common alignment pattern for robust multi-lane operation
  • Idle Sequence Randomization – Conversion of XGMII Idle control characters to and from randomized code-group sequences for serial lane synchronization and clock rate compensation
  • Energy Efficient Ethernet Support – IEEE 802.3az EEE support for power-efficient operation during periods of low link utilization
  • Loopback Functionality – Configurable loopback modes for design validation and system-level diagnostics
  • Link Fault and Error Indications – Complete link fault detection and error indication signaling per IEEE 802.3-2022
  • Chip-to-Chip and Board-Level Reach Extension – Extends XGMII interface reach for chip-to-chip and board-level 10 Gigabit Ethernet interconnect
Compliance and Compatibility
  • Fully compliant with IEEE 802.3-2022 Clause 48 (10GBASE-X PCS) and Clause 47 (XAUI)
  • Compliant with IEEE 802.3az Energy Efficient Ethernet
  • Configurable SoC interface supporting AMBA AXI, AHB, APB, and custom wrappers for seamless integration
  • Compatible with ASIC and FPGA design flows across leading foundry process nodes
  • Compatible with all major EDA synthesis, simulation, and linting flows

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