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RTL8111D(L)
Integrated Gigabit Ethernet Controller for PCI Express Applications
 
General Description
The Realtek RTL8111D-GR/RTL8111DL-GR Gigabit Ethernet controller combines a triple-speed IEEE 802.3 compliant Media Access Controller (MAC) with a triple-speed Ethernet transceiver, PCI Express bus controller, and embedded memory. With state-of-the-art DSP technology and mixed-mode signal technology, the RTL8111D/RTL8111DL offers high-speed transmission over CAT 5 UTP cable or CAT 3 UTP (10Mbps only) cable. Functions such as Crossover Detection and Auto-Correction, polarity correction, adaptive equalization, cross-talk cancellation, echo cancellation, timing recovery, and error correction are implemented to provide robust transmission and reception capability at high speeds.

The RTL8111D/RTL8111DL is compliant with the IEEE 802.3u specification for 10/100Mbps Ethernet and the IEEE 802.3ab specification for 1000Mbps Ethernet. It also supports an auxiliary power auto-detect function, and will auto-configure related bits of the PCI power management registers in PCI configuration space.

Advanced Configuration Power management Interface (ACPI)—power management for modern operating systems that are capable of Operating System-directed Power Management (OSPM)—is supported to achieve the most efficient power management possible. PCI MSI (Message Signaled Interrupt) and MSI-X are also supported.

In addition to the ACPI feature, remote wake-up (including AMD Magic Packet™ and Microsoft® Wake-up frame) is supported in both ACPI and APM (Advanced Power Management) environments. To support WOL from a deep power down state (e.g., D3cold, i.e., main power is off and only auxiliary exists), the auxiliary power source must be able to provide the needed power for the RTL8111D/RTL8111DL

The RTL8111D/RTL8111DL is fully compliant with Microsoft® NDIS5, NDIS6(IPv4, IPv6, TCP, UDP) Checksum and Segmentation Task-offload (Large send and Giant send) features, and supports IEEE 802 IP Layer 2 priority encoding and IEEE 802.1Q Virtual bridged Local Area Network (VLAN). The above features contribute to lowering CPU utilization, especially benefiting performance when in operation on a network server.

The RTL8111D/RTL8111DL supports Receive Side Scaling (RSS) to hash incoming TCP connections and load-balance received data processing across multiple CPUs. RSS improves the number of transactions per second and number of connections per second, for increased network throughput.

The device also features inter-connect PCI Express technology. PCI Express is a high-bandwidth, low pin count, serial, interconnect technology that offers significant improvements in performance over conventional PCI and also maintains software compatibility with existing PCI infrastructure. The device embeds an adaptive equalizer in the PCIe PHY for ease of system integration and excellent link quality. The equalizer enables the length of the PCB traces to reach 40 inches.

The RTL8111D/RTL8111DL is suitable for multiple market segments and emerging applications, such as desktop, mobile, workstation, server, communications platforms, and embedded applications.

The RTL8111D/RTL8111DL supports the Deep Slumber Mode (DSM) power saving feature. See the separate DSM application notes for details.
 
Features
  • Integrated 10/100/1000 transceiver
  • Auto-Negotiation with Next Page capability
  • Supports PCI Express™ 1.1
  • Supports pair swap/polarity/skew correction
  • Crossover Detection & Auto-Correction
  • Wake-on-LAN and remote wake-up support
  • Microsoft® NDIS5, NDIS6 Checksum Offload (IPv4, IPv6, TCP, UDP) and Segmentation Task-offload (Large send v1 and Large send v2) support
  • Supports Full Duplex flow control (IEEE 802.3x)
  • Supports jumbo frame to 9K bytes
  • Fully compliant with IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
  • Supports IEEE 802.1P Layer 2 Priority Encoding
  • Supports IEEE 802.1Q VLAN tagging
  • Embedded OTP memory can replace the external EEPROM
  • Serial EEPROM
  • Transmit/Receive on-chip buffer support
  • Supports power down/link down power saving
  • Built-in Switching regulator
  • Supports PCI MSI (Message Signaled Interrupt) and MSI-X
  • Supports quad core Receive-Side Scaling (RSS)
  • Embeds an adaptive equalizer in PCI express PHY (PCB traces to reach 40 inches)
  • Supports Deep Slumber Mode (DSM) power saving feature
  • Customized LEDs
  • 64-pin QFN package (RTL8111D) and 48-pin LQFP (RTL8111DL) Green package
Applications
  • PCI Express™ Gigabit Ethernet on Motherboard, Notebook, or Embedded system
Download Page Links
Datasheets
Reference Designs

 

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