Integrated Gigabit Ethernet Controller with Integrated Transceiver

The BCM5722 is a tenth-generation 10/100/1000BASE-T Ethernet LAN controller solution for high-performance network applications. The device combines a triple-speed IEEE 802.3™-compliant Media Access Controller (MAC) with a triple-speed Ethernet transceiver, x1 PCIe™ bus interface, and on-chip buffer memory in a single device. The device is fabricated in a 1.2V CMOS process providing a low-power system solution.

The device performs all the physical layer functions for 10BASE-T, 100BASE-T, and 1000BASE-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.

The device provides an x1 PCIe v1.1 bus interface. The on-chip high performance processor enables custom frame processing features.

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  • Integrated 10/100/1000BASE-T transceiver with PCI Express® v1.1 host interface
  • 10/100/1000BASE-T full/half-duplex MAC
  • Receive Side Scaling (RSS) for multicore client processors
  • Wake-on-LAN (WOL) support meeting the ACPI requirements
  • Statistics for SNMP MIB II, Ethernet-like MIB, and Ethernet MIB (802.3z, Clause 30)
  • System Management Bus (SMBus) interface supporting Intelligent Platform Management Interface (IPMI)