BCM5715C ? dual-port gigabit ethernet controller with a pci express ? host interface system block diagram ? dual integrated 10base-t/100base-tx/1000/base-t BCM5715C transceivers ? pci express ? x4 host interface ? dual 10/100/1000 trispeed macs ? media access controller - integrated high-speed risc cores - 56 kb receive and 22 kb transmit buffers - cpu task offload features (tcp, ip, udp checksum, and microsoft ? large send offload) ? tcp segmentation, ip fragmentation, and reassembly ? robust manageability - pxe 2.0 remote boot - universal management port interface for high-speed system management traffic - ipmi compliant server management interface - out-of-box wake-on lan (oob wol) - statistic gathering (snmp mib ii, ethernet-like mib, ethernet mib) (802.3x, clause 30) - comprehensive diagnostic and configuration software suite - smbus 2.0 controller ? power management, acpi 1.1a compliant in multiple power modes ? advanced features - priority queuing?802.1p layer 2 priority encoding - virtual lans?802.1q vlan tagging and support for up to 64 vlans - jumbo frames (9 kb) - 802.3x flow control - link aggregation?802.3ad, gec/fec, and smart load balancing - failover ? performance features - cpu task offload - adaptive interrupts ? 484-pin pbga package ? power - rails?1.2v core, 2.5v i/o, and 3.3v i/o ? 0.13 m cmos technology - highly integrated lan on motherboard (lom) designs - blade servers - rack optimized servers ? dual-port gigabit ethernet ne twork interface controller (nic) card features applications processor processor ddr ddr memory controller BCM5715C southbridge pci express dual gbe
overview ? phone: 949-926-5000 fax: 949-926-5203 e-mail: info@broadcom.com web: www.broadcom.com broadcom corporation 5300 california avenue irvine, california 92617 ? 2009 by broadcom corporation. all rights reserved. 5715c-pb03-r 04/02/09 broadcom ? , the pulse logo, and connecting everything ? are trademarks of broadcom corporation and/ or its subsidiaries in the united states and certain other countries. all other trademarks mentioned are the property of their respective owners. the BCM5715C is a fourth-generation 10/100/1000base-t dual-port lan controller for high-performance server applications. the device combines dual triple-speed ieee 802.3-compliant media access controllers (macs) with dual 10/100/1000 ethernet transceivers, a universal management port (ump), and an on-chip memory buffer in a single device. the device is fabricated in a 1.2v cmos process, providing a low-power system solution. the BCM5715C provides a single x4 pci express host interface and two gigabit ethernet controllers. each function has its own pci configuration space. each ethernet controller has a dedicated on-chip high-performance risc processor for custom frame features. the BCM5715C supports a universal management port (ump) interface for high-speed system management communications via the dual gigabit ethernet ports. the BCM5715C performs all physical layer functions for 1000base-t, 100base-t, and 10base-t 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 cancelers, crosstalk cancellers, and all other required support circuitry. two full-featured macs provide full-duplex and half-duplex modes at 1000 mbps .
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