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BCM5702
(R)
10/100/1000BASE-T CONTROLLER WITH INTEGRATED TRANSCEIVER
FEATURES SUMMARY OF BENEFITS
* Single-chip solution for LAN on Motherboard (LOM) and
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* * 196-pin BGA package * 3.3V I/Os (5V tolerant) * JTAG
network interface card (NIC) applications * Integrated 10BASE-T/100BASE-TX/1000BASE-T transceivers * 10/100/1000 Mbps triple-speed media access controller (MAC) * Host interfaces - PCI v2.2, 32/64-bit, 33 MHz * Ultra-deep, 96 KB, on-chip packet buffer * Dual, high-speed RISC cores with 16 KB caches * SMBus 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, 96-KB packet buffer Robust manageability * PXE 2.0 remote boot * Alert Standard Format (ASF 1.0 support) * Wake on LAN * Out-of-box Wake on LAN * Statistics 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 BalancingTM (supports heterogeneous teams)) * Heterogeneous, mixed-speed failover * Hot-Plug PCI support Low power, 0.13-m CMOS design
* Industry's smallest 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 * On-chip programmable CPUs, ASF support Performance focused (optimized for throughput and CPU utilization) * Adaptive interrupts * Ultra-deep, 96-KB packet buffer lowers CPU utilization and averts PCI congestion * CPU 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 BalancingTM (unique technology that supports heterogeneous teams, and can operate with any switch) * Failover - Smart Load Balancing allows heterogeneous failover * Hot-Plug PCI support Low power for zero airflow implementations * 0.13-m CMOS design * Advanced power management Space savings for LOM * 196-pin HBGA package * No external memory * Integrated power circuitry
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BCM5702 OVERVIEW
RX
10/100/1000 MAC 10/100/1000 PHY
Buffer Memory Memory Controller
TX Dual Processor
PCI PLL 32-KB Memory EEPROM Control PCI Bus
LED Control
SMBus
PLL
PCI CLK
LED Signals
SMB Interface EEPROM Interface
The BCM5702 is a fully-integrated 10/100/1000BASE-T Gigabit Ethernet media access control and physical layer transceiver solution for high-performance network applications. The BCM5702 is a highlyintegrated solution combining a triple-speed, IEEE 802.3 compliant media access controller (MAC), PCI bus interfaces, an on-chip buffer memory, and an integrated physical layer transceiver in a single device. The BCM5702 is fabricated in a low-voltage 0.13-m CMOS process, providing a low-power system solution. By itself the BCM5702 provides a complete, single-chip, Gigabit Ethernet NIC or LOM solution. The BCM5702 includes a 10/100/1000-Mbps Ethernet MAC with full/ half-duplex capability at all speeds and a 10/100/1000 copper PHY. 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. The BCM5702 provides a PCI v2.2 bus interface. It also provides large on-chip buffer memory for stand-alone operation. Dual, on-chip, highperformance processors enable 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 userfriendly. 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, which include 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 BCM5702 continually monitors various channel conditions. The optional wirespeed capability allows the BCM5702 to force autonegotiation to be automatically limited by the speed that the channel can reliably support, rather than by the performance of the end equipment.
Target Applications of the BCM5702
Network interface card (NIC) designs LAN on Motherboard (LOM) designs
SINGLE/DUAL PORT 10/100/1000 BASE-T PCI 2.2 Adapters
SINGLE/DUAL PORT 10/100/1000 BASE-T PCI 2.2 LOM
Gigabit Ethernet network interface cards (NICs) and LAN on Motherboard (LOM) applications for desktop and mobile PCs
BCM5702 Operating Systems * Microsoft(R) Windows(R) 98, NT 4.0, 2000, XP * Linux(R) 2.2, 2.4 * PXE 2.0
Broadcom(R), the pulse logo, Connecting everything(R), and Smart Load BalancingTM 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.
(R)
BROADCOM CORPORATION 16215 Alton Parkway, P.O. Box 57013 Irvine, California 92619-7013
(c) 2005 by BROADCOM CORPORATION. All rights reserved. 5702-PB05-R 01/05/05
Phone: 949-450-8700 Fax: 949-450-8710 E-mail: info@broadcom.com Web: www.broadcom.com

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