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RTL8110S-32
Single-Chip Gigabit LOM Ethernet Controller
 
General Description

This product is covered by one or more of the following patents:
US5,307,459, US5,434,872, US5,732,094, US6,570,884, US6,115,776, and US6,327,625.

The Realtek RTL8110S-32 LOM Ethernet controller combines a triple-speed IEEE 802.3 compliant Media Access Controller (MAC) with a triple-speed Ethernet transceiver, 32-bit PCI bus controller, and embedded memory. With state-of-the-art DSP technology and mixed-mode signal technology, it offers high-speed transmission over CAT 5 UTP or CAT 3 UTP (10Mbps only) cable. Functions such as Crossover Detection & 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 device supports the PCI v2.2 bus interface for host communications with power management, and is compliant with the IEEE 802.3 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.

To achieve the most efficient power management possible, Advanced Configuration and Power Interface (ACPI) power management support is provided for modern operating systems that are capable of Operating System directed Power Management (OSPM).

In addition to the ACPI feature, the RTL8110S-32 supports remote wake-up (including AMD Magic Packet, Re-LinkOk, and Microsoft® Wake-up frame) in both ACPI and APM (Advanced Power Management) environments. The LWAKE pin provides four different output signals including active high, active low, positive pulse, and negative pulse. The versatility of the LWAKE pin provides motherboards with Wake-On-LAN (WOL) functionality. 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 RTL8110S-32.

The RTL8110S-32 is fully compliant with Microsoft® NDIS5 (IP, TCP, UDP) Checksum and Segmentation Task-offload features, and supports 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 server network server. Also, the devices boost their PCI performance by supporting PCI Memory Read Line & Memory Read Multiple when transmitting, and Memory Write and Invalidate when receiving. To better qualify for server use, the RTL8110S-32 supports the PCI Dual Address Cycle (DAC) command when the assigned buffers reside at a physical memory address higher than 4 Gigabytes.

 
Features
  • Integrated 10/100/1000 transceiver
  • Auto-Negotiation with Next page capability
  • Supports PCI 2.2, 32bit, 33/66MHz
  • Supports pair swap/polarity/skew correction
  • Crossover Detection & Auto-Correction
  • Wake-on-LAN and remote wake-up support
  • Microsoft® NDIS5 Checksum Offload (IP, TCP, UDP) and largesend offload support
  • Supports Full Duplex flow control (IEEE 802.3x)
  • Fully compliant with IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
  • Supports IEEE 802.1Q VLAN tagging
  • Serial EEPROM
  • 3.3V signaling, 5V PCI I/O tolerant
  • Transmit/Receive FIFO (8K/64K) support
  • Supports power down/link down power saving
  • JTAG support
  • Supports PCI Clock Run Pin
  • 128-pin QFP
Applications
  • Gigabit Ethernet on Motherboard
Download Page Links
Datasheets
Reference Designs
Software

 

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