BCM5704C ? dual 10/100/1000base-t controller with integrated transceiver ? single-chip, dual-port solution for dual lan on motherboard (lom) and network interface card (nic) applications two integrated 10base-t/100base-tx/1000base-t transceivers two 10/100/1000 triple-speed macs single host interface - pci v2.2 32/64-bit, 33/66 mhz - pci-x v1.0 64-bit, 66/100/133 mhz dual ultra-deep 64-kb on-chip packet buffer dual high-speed risc cores with 16-kb caches - programmable, in-line packet classification smbus 2.0 controller on-chip power circuit controller and wake on lan power switching circuit performance features tcp, ip, udp checksum tcp segmentation cpu task offload adaptive interrupts ultra-deep 64-kb packet buffer robust manageability pxe 2.0 remote boot alert standard format?asf 1.0 support wake on lan (wol) out-of-box wol intelligent platform management interface (ipmi), ver. 1.5 statistic gathering (snmp mib ii, ethernet-like mib, ethernet mib) comprehensive diagnostic and configuration software suite acpi 1.1a-compliant (multiple power modes) advanced network features priority queuing?802.1p layer 2 priority encoding; support for four priority queues virtual lans?802.1q vlan tagging; support for up to 64 vlans jumbo frames (9 kb) 802.3x flow control advanced server features link aggregation?802.3ad, gec/fec, smart load balancing (supports heterogeneous teams) heterogeneous, mixed speed failover hot-plug pci support low-power, 0.13-m cmos design 300-pin hbga package 3.3v i/os (5v tolerant) jtag industry?s smallest dual 10/100/1000 mac/phy solution? power and space optimized for lom and low-profile nic applications completely backward compatible: to existing 10/100 network infrastructure to existing pci based desktop and server platforms futureproof pci-x interface, on-chip programmable cpus, asf support performance focused?optimized for throughput and cpu utilization adaptive interrupts pci-x?eliminates pci bottlenecks ultra-deep 64-kb packet buffer?lowers cpu utilization, avoids pci congestion networking task offloads reduces utilization level of cpu robust and highly manageable pxe 2.0, acpi 1.1, wake on lan, asf 1.0, ipmi integrated cable testing (link quality, length, pair skew, pair polarity, pair swap) advanced features vlan, priority queuing, jumbo frames risc processors for advanced packet classification server class reliability, availability and performance features link aggregation and load balancing - switch-dependent 802.3ad (lacp), generic trunking (gec/fec) - switch- and nic-independent smart load balancing (unique technology that supports heterogeneous teams and can operate with any switch) failover - smart load balancing allows heterogeneous failover hot-plug pci low power for zero airflow implementations 0.13-m cmos design advanced power management space savings for lom 300-pin hbga package no external memory integrated power circuitry features summary of benefits
overview ? phone: 949-450-8700 fax: 949-450-8710 e-mail: info@broadcom.com web: www.broadcom.com broadcom corporation 16215 alton parkway, p.o. box 57013 irvine, california 92619-7013 ? 2005 by broadcom corporation. all rights reserved. 5704c-pb04-r 1/6/05 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 BCM5704C is a fully integrated dual-port, 10/100/1000base-t gigabit ethernet media access control and physical layer transceiver solution for high-performance network applications. the BCM5704C is a highly integrated solution combining two triple-speed, ieee 802.3- compliant media access control (mac), pci, and pci-x bus interfaces, an on-chip buffer memory, and an integrated physical layer transceiver in a single device. the BCM5704C is fabricated in a low-voltage, 0.13- m cmos process providing a low-power system solution. by itself the BCM5704C provides a complete single-chip dual-port gigabit ethernet nic or lom solution. the BCM5704C includes two 10/100/1000-mbps ethernet macs with full/half-duplex capability at all speeds and two 10/100/1000 copper phys. support for the following 802.3 functions is featured in the mac: vlan tagging, layer 2 priority encoding, link aggregation, and full- duplex flow control. although the device provides a single pci v2.2/pci-x v1.0 bus interface, the device functions as if there are two logical software interfaces. interrupts are handled via two interrupt pins (inta and intb) on the pci connector. individual mac on-chip memory provides packet buffering for higher performance and load balancing. each mac function contains dual (tx and rx) on-chip processors enabling custom frame processing features, including tcp segmentation. the transceiver is fully compatible with the ieee 802.3 standard for auto-negotiation of speed. additionally, several plug and play enhancements have been added to make the device even more user friendly. a link quality indicator led gives installers an instant visual indication if there are any issues with the wiring plant supporting operation at the desired speed. this includes physical wiring defects or channel conditions, such as excessive cable length, return loss, crosstalk, echo, and noise. broadcom?s remote cable management and diagnostics software can be used with the device to provide remote management of the cable and a first level of diagnostics and fault isolation. the BCM5704C continually monitors various channel conditions. the optional wirespeed capability allows the BCM5704C to force auto- negotiation to be automatically limited by the speed that the channel can reliably support, rather than the performance of the end equipment. target applications of the BCM5704C: BCM5704C software support: microsoft ? windows ? 98, nt4.0, 2000, xp, nt64 linux ? 2.2, 2.4 linux64? netware ? 4.x, 5.x, 6.x pxe 2.0 solaris? x86 pci arbiter pci/pci-x pll pci_clk xtal_i xtal_o clock generator pci/pci-x bus rdac port 1 led interface p1_trd+/- [3:0] p2_trd+/- [3:0] jtag seeprom interface flash interface regulator control general purpose io (gpio) status mii pci mii control status control pci function #1 pci function #2 registers registers rx cpu bias jtag led control led control flash eeprom smbus regulator control gpio ethernet transceiver tx cpu rx cpu tx cpu 64kb buffer memory 64 kb buffer memory media access controller (mac) ethernet transceiver dma control media access controller (mac) dma control port 2 led interface
|
