BCM57761

Integrated Gigabit Ethernet Controller

The BCM57761 is a Broadcom NetXtreme® twelfth-generation 10/100/1000BASE-T Ethernet LAN controller solution for high-performance network applications. The device combines a triple-speed IEEE 802.3™-compliant MAC with a triple-speed Ethernet transceiver, x1 PCIe bus interface, and on-chip buffer memory in a single device. The BCM57761 is fabricated in a 65 nm CMOS process, providing a low-power system solution.

The device performs all the physical layer functions for 1000BASE-T, 100BASE-T, and 10BASE-T Ethernet on standard Category 5 UTP cable. Based on proven DSP technology, the device is a highly integrated solution combining digital adaptive equalizers, ADCs, PLLs, line drivers, echo cancellers, crosstalk cancellers, and all other required support circuitry. A full-featured MAC provides full-/half-duplex capability at all speeds.

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  • Integrated 10/100/1000BASE-T transceiver includes:
    -10/100/1000BASE-T triple-speed media access controller (MAC)
    -Compliant with IEEE standards
    -Compliant with IEEE 802.3az draft for Energy Efficient Ethernet™ (EEE)
    -State-of-the-art physical layer interface that exceeds IEEE requirements
    -Jumbo frame support with up to 9.6 KB frame size
    -EthernetAV protocols with IEEE 802.1AS, 1588-2008, IEEE P802.1Qat, and IEEE P802.1Qav support
  • PCI Express® host interface with x1 PCIe™ v1.1, active state power management (ASPM) capability, and Message Signal Interrupt (MSI)
  • Single-chip solution for LAN on Motherboard (LOM) applications
  • Proven technology built on twelve generations of controller products
  • Audio/Video Bridging (AVB) protocols over Ethernet compliant with IEEE 802.1AS, 1588, P802.1Qat, and P802.1Qav

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