Intel WGI210AT Gigabit Ethernet Controller I210-AT Single Port PCIe v2.1 SGMII QFN-64

WGI210AT Product Overview

The Intel Ethernet Controller WGI210AT is a high-performance, low-power single-port Gigabit Ethernet controller from Intel, part of the I210-AT series. Housed in a 64-pin QFN (9×9mm) package, the WGI210AT is the commercial temperature range (0℃ to 70℃) variant of the I210-AT. The WGI210AT integrates a complete Gigabit Ethernet Media Access Control (MAC) and Physical Layer (PHY) port, along with SGMII/SerDes interfaces for connecting external PHYs. The WGI210AT connects to the host system via a PCI Express v2.1 x1 (2.5 GT/s) interface, supporting 10/100/1000Mbps auto-negotiation. The WGI210AT integrates Integrated Non-Volatile Memory (iNVM) , eliminating the need for an external EEPROM and significantly reducing BOM cost. As a key member of Intel's I210 series Ethernet controller family, the WGI210AT is specifically designed to meet the high-reliability Gigabit networking demands of enterprise servers, industrial control, and network infrastructure.

WGI210AT Key Features

The WGI210AT embodies Intel's deep expertise in high-performance networking through its robust hardware architecture and feature set. It features a PCI Express v2.1 (PCIe 2.1) x1 host interface with 2.5 GT/s transfer rate. The WGI210AT offers a fully integrated Gigabit MAC and PHY supporting 10BASE-T, 100BASE-TX, and 1000BASE-T. The WGI210AT also provides SGMII/SerDes interfaces for fiber (1000BASE-SX/LX) and backplane (1000BASE-KX/BX) applications. The WGI210AT supports IEEE 802.3az Energy Efficient Ethernet (EEE) for reduced power consumption. The WGI210AT supports IEEE 1588/802.1AS precision time synchronization (PTP) and IEEE 802.1Qav traffic shaping. The WGI210AT features four transmit and four receive queues, with RSS and MSI-X for reduced CPU utilization. The WGI210AT supports IP checksum offload, VLAN filtering, jumbo frames, and interrupt moderation. The WGI210AT supports NC-SI manageability over SMBus. The WGI210AT operates from 3.3V (I/O) and 0.9V (core) , with a temperature range of 0℃ to 70℃. The WGI210AT features fiber mode, low-power mode, programmable LED indication, and IEEE1588 timestamp support.

WGI210AT Applications

With its exceptional single-port density, flexible interface configuration, and powerful network features, the WGI210AT is widely deployed in demanding networking environments. As a core controller, the WGI210AT is an ideal component for Gigabit Ethernet server adapters, providing high-reliability Gigabit connectivity for rack servers, pedestal servers, and blade servers. The WGI210AT is also suitable for LAN on Motherboard (LOM) or mezzanine card designs. Additionally, the WGI210AT excels in embedded applications such as switch add-on cards and network appliances. The WGI210AT has been validated in real-world applications, including custom CPU base boards and X-ray system control boards.

WGI210AT Key Advantages

The WGI210AT stands out as a mature, commercially available single-port Gigabit Ethernet controller that strikes an excellent balance between high performance, high integration, and low power consumption. Housed in a 64-pin QFN (9×9mm) package with an integrated Gigabit MAC and PHY, along with SGMII/SerDes interfaces for fiber/backplane support. The WGI210AT consumes only 1W typical power, with IEEE 802.3az EEE further reducing consumption during low traffic. The WGI210AT features iNVM to eliminate external EEPROM, simplifying board design and reducing BOM cost. The WGI210AT supports 0℃ to 70℃ commercial temperature range (with WGI210IT industrial -40℃ to 85℃ variant available). Intel provides comprehensive driver support for the WGI210AT across Windows, Linux (RHEL, SLES, Ubuntu), FreeBSD, and VMware ESXi. The WGI210AT offers system integrators and OEMs a highly competitive Gigabit Ethernet connectivity solution.

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FAQs:

1 What is the WGI210AT chip
It is a single port Gigabit Ethernet controller from Intel that integrates both MAC and PHY layers offering high integration and low power consumption.

2 What network speeds does the WGI210AT chip support
It supports auto negotiation of 10Mbps 100Mbps and 1000Mbps Ethernet speeds and is fully compliant with standard Gigabit Ethernet specifications.

3 What package and pin count does WGI210AT use
It uses a QFN64 no lead surface mount package with 64 pins. It has a compact footprint and an exposed thermal pad on the bottom suitable for compact PCB designs.

4 What host bus interface does WGI210AT support
It supports the PCI Express 2.1 high speed bus interface which can be configured in single lane or dual lane mode for efficient data exchange with the host CPU.

5 What are the operating voltage and temperature ranges
 It uses a multi voltage independent power design including 1 point 0V 1 point 8V and 3 point 3V. The industrial grade temperature range is from minus 40 degrees Celsius to plus 85 degrees Celsius.

6 What application scenarios is WGI210AT chip suitable for
With its small package and high reliability it is widely used in industrial automation control boards high end embedded systems server network interfaces and computing devices requiring Gigabit network connectivity.

7 What advanced network protocol features does WGI210AT support
It supports IEEE 802 point 1Qav Audio Video Bridging Energy Efficient Ethernet standards VLAN tagging and hardware acceleration for packet checksum offloading.

8 What are the improvements over previous generation controllers
Compared to the classic Intel 82574L it offers a smaller package lower power consumption and integrates more advanced hardware acceleration and management capabilities.

9 What are the PCB design considerations for the QFN package
The exposed thermal pad on the bottom must be reliably grounded for efficient heat dissipation and improved signal integrity. Strict impedance matching and length control for the Ethernet differential traces are required.

10 Does WGI210AT chip require an external PHY chip
No it does not. It integrates a complete Gigabit Ethernet PHY transceiver onboard so only an external magnetics module and an RJ45 connector are needed to build a complete network port.