Broadcom BCM5720 Controller Technology X2 PCI EXPRESS DUAL-PORT GIGABIT ETHERNET CONTROLLER Function level reset Receive Side Scaling (RSS) with per queue MSI- Overview X vector support and support for UDP RSS hash The Broadcom BCM5720 is a thirteenth-genera- type tion 10/100/1000BASE-T Ethernet LAN controller Transmit Side Scaling (TSS) and multi-Tx queue solution suitable for high-performance server with per queue MSI-X vector support applications. Jumbo frame support for up to 9600-byte pay- Built on proven architecture, the BCM5720 pro- load vides a PCI Express v2.0-compliant host interface, Virtual LAN (VLAN) supportIEEE 802.1q which can operate at 5 GT/s or at 2.5 GT/s at x2 link VLAN tagging Highlights width. The PCI Express supports MSI and MSI-X TCP, IP, UDP checksum offload Energy Efficient Ethernet sup- capabilities and Function Level Reset (FLR). Large Send Offload (LSO), TCP Segmentation port Offload (TSO) The BCM5720 combines dual triple-speed IEEE Hardware support for IEEE 1588 802.3-compliant Media Access Controllers Hardware assist for IEEE 1588 and IEEE timestamping (MACs) with dual 1000BASE-X/SGMII SerDes trans- 802.1AS time synchronization implementa- Host to BMC connectivity for ceivers or dual 10/100/1000 Ethernet transceivers tions better system manageability (PHYs), selectable individually per port, a Network IEEE 802.3x flow control Controller Sideband Interface (NC-SI), and on-chip SMBus 2.0 Interface memory buffer in a single device. Statistics for SNMP MIB II, Ethernet-like MIB and Ethernet MIB (IEEE 802.3z, Clause 30) Device Features ACPI power management compliance Advanced power management by a Central Integrated dual 10/100/1000BASE-T and dual Power Management Unit (CPMU) 1000BASE-X/SGMII 1.25 Gbaud SerDes trans- Efficient integrated switching regulator con- ceivers. troller Energy Efficient Ethernet (EEE) compliant Host to/from BMC (H2B) Pass Through with IEEE Std 802.3az-2010 On-chip temperature monitor Dual 10/100/1000BASE-T full-duplex/half- PCI Express CLKREQ support duplex MACs Power Management Offload (PM Offload) Dual 1000BASE-X/SGMII full-duplex/half- Serial flash and EEPROM NVRAM support duplex MACs flash autoconfigure Automatic MDI crossover ECC error detection and correction on internal x2 PCI Express v2.0 at 5 GT/s or 2.5 GT/s SRAM MSI and MSI-X capabilitiesup to 17 MSI-X BCM5720 JTAG boundary scan support vectors 169-ball FBGA (1.0 mm pitch) 1G I/O Virtualization (IOV) support for VMWare NetQueue and Microsoft VMQ 10G 17 receive queues and 16 transmit queues Target Applications NetXtreme I 17 MSI-X vectors supporting per queue inter- LAN on motherboard (LOM) for servers and rupt to host NetXtreme II workstations Flexible MSI-X vector to transmit/receive Ports Dual PCI Express Gigabit Ethernet add-in NIC queue association Blade servers with Ethernet over electrical TLP Processing Hint (TPH) ECN to the PCI backplane Express Base Specification v2.0 Supported Best ChoiceTSYNC GPIO PCIE TXD +/- PCIE SO/SDA, SI, SMBDATA, EAV CLK OUT NC-SI APE GPIO 6:0 3:0 , GPIO 2:0 PCIE RXD +/- REFCLK +/- CS L, SCLK/SCK SMBCLK NVRAM GPIO x2 PCI Express PLL RMII MAC GPIO SMBus Controller APE Temperature Time Sync Assist x2 EMAC CPMU POR Monitor Dual 3.3V to 1.2V Voltage Dual SerDes Dual GPHY PLL LEDs Regulator Control Px 10/100/1000/ Px TXD/Px RXD +/- Px TRD 3:0 +/- 25 MHz NDRIVE, PDRIVE, FB, SENSE TRAFFIC LED BCM5720 Block Diagram The host interface supports a separate 802.1AS-based time synchronization. ing the power consumption of the net- PCI Express function for each LAN inter- These hardware features include a high- work controller subsystem by lowering face. The BCM5720 includes I/O Virtual- precision clock, timestamp registers for the controller s power consumption ization features such as 17 receive and 16 receive/transmit packets, and program- under lighter network traffic without transmit queues, 17 MSI-X vectors with mable trigger inputs and watchdog out- compromising performance. The flexible vector-to-queue association. puts. BCM5720 implements Energy Efficient These IOV features enable the BCM5720 Ethernet (EEE) compliance with the IEEE The BCM5720 is fabricated in a low-volt- to support the VMWare NetQueue and Std 802.3az-2010, which further reduces age 65 nm CMOS process and integrates Microsoft VMQ technologies. the power consumption with idle 100 an efficient switching voltage regulator Mbit or 1 Gbit GPHY links. These features The BCM5720 includes a comprehensive controller for core power supplies. provide a low power consumption Ether- set of hardware features that the system Advanced power management features net controller solution. may use to implement IEEE 1588- or IEEE built into the BCM5720 enable minimiz- Ordering Information Package Ambient Temperature Part Number 169-ball FBGA (14 mm x 14 mm, lead-free) 0C to 55C BCM5720A0KFBG About Broadcom Broadcom Corporation (NASDAQ: BRCM), office, and mobile environments. With the a FORTUNE 500 company, is a global industry s broadest portfolio of state-of- leader and innovator in semiconductor the-art system-on-a-chip and embedded solutions for wired and wireless software solutions, Broadcom is changing communications. Broadcom products the world by Connecting everything. For seamlessly deliver voice, video, data, and more information, go to multimedia connectivity in the home, www.broadcom.com. Broadcom, the pulse logo, Connecting everything, and the Connecting everything logo are among the trademarks of Broadcom Corporation and/or its affiliates in the United States, certain other countries and/or the EU. Any other trademarks or trade names mentioned are the property of their respective owners. November 2, 2012 5720-PB01-R