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Overview

SmartDV’s Ethernet 800G PCS IP is a fully featured Physical Coding Sublayer solution purpose-built for SoC designs requiring the highest ratified Ethernet bandwidth across AI training cluster, hyperscale data center, and GPU interconnect applications. Fully compliant with IEEE 802.3df-2024, the formal ratified 800 Gigabit Ethernet standard, it delivers complete 800GBASE-R PCS functionality across 32 PCS lanes (organized as dual 16-lane PCS instances), with 64b/66b encoding and decoding for backplane, copper, and optical configurations including 800GBASE-KR8, 800GBASE-CR8, 800GBASE-DR8, and 800GBASE-SR8.

Designed to address the extreme bandwidth and signal integrity demands of modern AI and hyperscale data center interconnects, the IP implements complete block synchronization and alignment marker lock, alignment marker insertion and removal, PCS lane deskew and reordering, gearbox functionality for various data widths, RS-FEC interleaving across the dual PCS instance architecture, and dedicated bit error rate monitoring and link fault detection. Its architecture aligned with IEEE 802.3df-2024’s refined link training seeding and PCS-to-PMA lane mapping for improved noise immunity, alongside support for IEEE 802.3az Energy Efficient Ethernet, give hyperscale AI infrastructure SoC teams a spec-complete 800G PCS implementation built to the ratified industry standard.

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 PMA interface architecture and clean host interface enable fast integration across a wide range of hyperscale data center process nodes.

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Ethernet 800G PCS
Key Features
  • Full 800G PCS Functionality – Complete 800GBASE-R PCS implementation per IEEE 802.3df-2024 across 32 PCS lanes organized as dual 16-lane PCS instances
  • 64b/66b Encoding and Decoding – Complete 64b/66b line encoding and decoding for both transmit and receive paths with data scrambling and descrambling
  • Block Synchronization and Alignment Marker Lock – Complete block synchronization and alignment marker lock across the full 32-lane PCS architecture
  • PCS Lane Deskew and Reordering – Complete lane deskew and reordering for reliable multi-lane 800G operation
  • RS-FEC Interleaving – RS-FEC interleaving across dual PCS instances for robust forward error correction at 800G data rates
  • Refined PCS-to-PMA Lane Mapping – Aligned with IEEE 802.3df-2024 refined link training seeding and PCS-to-PMA lane mapping for improved noise immunity
  • Gearbox Functionality – Configurable gearbox for various data widths for flexible PMA interface support
  • Flexible PMA Interface – 32-bit and 40-bit PMA interface data width support for broad SerDes compatibility
  • Bit Error Rate Monitoring – Comprehensive bit error rate monitoring with receiver link fault status detection
  • Loopback Functionality – Configurable loopback modes for design validation and system-level diagnostics
  • Energy Efficient Ethernet Support – Energy efficiency support for power-conscious hyperscale data center operation
  • Test Pattern Generation – Programmable PRBS31 and PRBS9 test pattern generation and checking for physical layer validation
Compliance and Compatibility
  • Fully compliant with IEEE 802.3df-2024 (ratified February 2024) for 800GBASE-R, 800GBASE-KR8, 800GBASE-CR8, 800GBASE-DR8, and 800GBASE-SR8
  • Architecturally aligned with Ethernet Technology Consortium 800G Specification interop considerations
  • 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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