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Home » NEWEST Products » New by Manufacturer » Intel » 82540 Gigabit Ethernet Controllers - Intel
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Intel 82540 Gigabit Ethernet Controllers

Intel's 82540 Gigabit Ethernet Controllers are a single, compact component with an integrated Gigabit Ethernet Media Access Control (MAC) and physical layer (PHY) functions. For desktop, workstation and mobile PC Network designs with critical space constraints, it allows for a Gigabit Ethernet implementation in a very small area that is footprint compatible with current generation 10/100Mbps Fast Ethernet designs. The 82540 integrates Intel’s fourth generation gigabit MAC design with fully integrated, physical layer circuitry to provide a standard IEEE 802.3 Ethernet interface for 1000BASE-T, 100BASE-TX, and 10BASE-T applications (802.3, 802.3u, and 802.3ab). The controller is capable of transmitting and receiving data at rates of 1000Mbps, 100Mbps, or 10Mbps. In addition to managing MAC and PHY layer functions, the controller provides a 32-bit wide direct Peripheral Component Interconnect (PCI) 2.2 compliant interface capable of operating at 33 or 66MHz.

Additional Resources

Datasheet Datasheet
datasheet Specification Update

Learn More About Intel's Ethernet Network Controllers

Features
  • PCI Bus (v2.3) support for 32-bit wide interface at 33 MHz and 66 MHz
  • Algorithms that optimally use advanced PCI, MWI, MRM, and MRL commands
  • CardBus Information Services (CIS) Pointer
  • Low-latency transmit and receive queues
  • IEEE 802.3x-compliant flow-control support with software-controllable thresholds
  • Caches up to 64 packet descriptors in a single burst
  • Programmable host memory receive buffers (256 B to 16 KB) and cache line size (16 B to 256 B)
  • Wide, optimized internal data path architecture 64 KB configurable Transmit and Receive FIFO buffers
  • Integrated for 10/100/1000 Mb/s operation
  • IEEE 802.3ab Auto-Negotiation support
  • IEEE 802.3ab PHY compliance and compatibility
  • Automatic detection of cable lengths and MDI vs. MDI-X cable at all speeds
  • Transmit and receive IP, TCP, and UDP checksum off-loading capabilities
  • Transmit TCP segmentation
  • Advanced packed filtering
  • Jumbo frame support up to 16 KB
  • IEEE 802.1q VLAN support with VLAN tag insertion, stripping and packet filtering for up to 4096 VLAN tags
  • Descriptor ring management hardware for transmit and receive
  • Interrupt coalescing (multiple packets per interrupt)
  • Onboard SMB port, ASF 1.0, ACPI, Wake on LAN, and PXE
  • Compliance with PCI Power Management 1.1 and ACPI 2.0 register set compliant
  • SNMP and RMON statistic counters
  • SDG 3.0, WfM 2.0, and PC2001 compliance
  • Four activity and link indication outputs that directly drive LEDs
  • JTAG (IEEE 1149.1) Test Access Port built in silicon
  • Internal PLL for clock generation can use a 25 MHz crystal
  • Programmable LED functionality
Networking Specifications
  • Single Ports
  • PCI System Interface Type
  • Temperature Range: 0 - 70ºC
Package Specifications
  • 15.0mm x 15.0mm package size
  • Low Halogen Options Available: See MDDS
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