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Integrated 10/100/1000Mbps Ethernet Transceiver
General Description
The Realtek RTL8211DN-VB is a highly integrated Ethernet transceiver that complies with 10Base-T, 100Base-TX, 100Base-FX, 1000Base-T, and 1000Base-X IEEE 802.3 standards. It provides all the necessary physical layer functions to transmit and receive Ethernet packets over CAT 5 UTP cable or CAT 3 UTP (10Mbps only) cable. The RTL8211DN-VB uses state-of-the-art DSP technology and an Analog Front End (AFE) to enable high-speed data transmission and reception over UTP cable. Functions such as Crossover Detection & Auto-Correction, polarity correction, adaptive equalization, cross-talk cancellation, echo cancellation, timing recovery, and error correction are implemented in the RTL8211DN-VB to provide robust transmission and reception capabilities at 10Mbps, 100Mbps, or 1000Mbps. The advanced DSP algorithms provide robust communication even in critical environments. The RTL8211DN-VB supports various interfaces to communicate with the MAC and PHY, including:
  • RGMII (Reduced Gigabit Media Independent Interface) for 1000/10Base-T and 100Base-TX
  • GMII/MII (Gigabit Media Independent Interface) for 1000/10Base-T and 100Base-TX
  • SGMII (Serial Gigabit Media Independent Interface) for 1000/10Base-T and 100Base-TX
  • Support 1000Base-X and 100Base-FX

The RTL8211DN supports a SerDes interface that can be configured as SGMII, 1000Base-X, and 100Base-FX.
  • 1000Base-T/1000Base-X IEEE 802.3ab Compliant
  • 100Base-TX/100Base-FX IEEE 802.3u Compliant
  • 10Base-T IEEE 802.3 Compliant
  • IEEE 802.3 Compliant RGMII
  • IEEE 802.3 Compliant GMII/MII
  • Supports IEEE 802.3az -2010 (Energy Efficient Ethernet)
  • Supports SerDes
  • Supports UTP or fiber mode output
  • Supports PHYRSTB core power Turn-Off
  • Built-in Wake-On-LAN (WOL)
  • Supports Interrupt function
  • Supports media converter/interface converter (SGMII to GMII/RGMII or 1000Base-X to 1000Base-T)
  • Supports Auto-Negotiation
  • Supports Parallel Detection
  • Green Ethernet (Gigabit mode only)
  • Crossover Detection & Auto-Correction
  • Automatic polarity correction
  • Baseline Wander Correction
  • Supports 120m for CAT.5 cable in 1000Base-T
  • Supports 3.3V or 2.5V signaling for GMII/RGMII
  • Provides 125MHz clock source for MAC
  • RTL8211DN provides 4 network status LEDs
  • Built-in switching regulator
  • 0.11µm process with very low power consumption
Network Interface Adapter, MAU (Media Access Unit), CNR (Communication and Network Riser), ACR (Advanced Communication Riser), Ethernet hub, and Ethernet switch.
In addition, it can be used in any embedded system with an Ethernet MAC that needs a UTP or Fiber physical connection


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