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BCM5411
PRODUCT
(R)
Brief
OF BENEFITS
BCM5411 10/100/1000BASE-T TRANSCEIVER
BCM5411 FEATURES SUMMARY Fully integrated * Gigabit Ethernet10BASE-T/100BASE-TX/1000BASE-T transceiver compliant with IEEE Compatible with * and 1000 Mbps atIEEE standard operation at 10, 100, half- and full-duplex. * No airflow or heatsink required. LAN mode for low-power, PC'99-compliant * Wake on (less than 600 mW). adapters * Auto-Network detection places unconnected ports into low power state. Automatically configures the link to support the * highest possible speed based on link partner capability RGMII/RTBI reduces * and TBI by more than I/O pin requirement over GMII 50%. Cable diagnostic function plant * condition and immediatelycharacterizes cableissues. indicates cabling
* Prevents erroneous equipment return due to bad cable plants. * Prevents manufacturing fall-out due to bad cable plants.
* *Low power per port Less than 2W
802.3, 802.3u, and 802.3ab standards
* Advanced power management * Wake on LAN support-less than 600 mW * Standby power mode with energy detect
* MII, GMII, RGMII, TBI and RTBI interface options Ethernet@WireSpeed * maximum speed based onautomatically selects channel conditions diagnostic * Cable plant analyzer capability to detect cable plant * Cable plant
TM
and characteristics of the channel.
impairments * Link quality indication (LED) * Automatic detection and correction of wiring pair swaps, pair skew, and pair polarity * Automatic MDI/MDIX crossover at all speeds
* Internal 125-MHz low-jitter clock generation * Support for jumbo packets up to 9 KB * IEEE 1149.1 (JTAG) boundary scan * 128-pin MQFP package or 117-pin BGA package
125-MHz clock * circuitry for theeliminates costly external clocking MAC/ASIC. Operates with larger * protocol support and packets for wider range of packet for improved efficiency. High density package options without heatsink * requirement provides improved testability.
BCM5411 System Diagram
10/100/1000Mbps Ethernet MAC
10/100/1000BASE-T Gigabit Ethernet Transceiver
RJ-45
BCM5411
Transformer
BCM5411
OVERVIEW
BCM5411 Block Diagram
Symbol 8 TX DAC Encoder Echo Canceller XTALK Canceller x3 Symbol Decoder/ Aligner 8 TXD[7:0] TX_EN TX_ER GXT_CLK TX_CLK COL CRS RX_CLK RX_DV RX_ER RXD[7:0] LNK100 LED Drivers LNK1000 RCVLED XMTLED FDXLED MDC MDIO INTR MODES
TRD[3:0] +
Gain Automatic Control
PGA
ADC
FFE
DFE/ Trellis Decoder
AutoNegotiation XTALI XTALO RDAC{1:2} REGSUP{1:2} REGCNTL{1:2} REGSEN{1:2} Clock Generation BIAS Generation Voltage Regulator
Timing & Phase Recovery
MII Registers
MII MGMT Control
The BCM5411 is a fully integrated 10/100/1000BASE-T Gigabit Ethernet transceiver solution. An advanced Digital Signal Processor based architecture, 0.18u CMOS process, and power management techniques are used to create a design optimized for low power operation and minimal board space. This device represents the third generation of Gigabit Ethernet transceivers based on the same field-proven architecture as in the BCM5400 and BCM5401 transceivers, which demonstrate robust operation over the installed base of CAT 5 twisted pair wiring. The BCM5411 is fully software and register compatible with the BCM5400 and BCM5401. In addition to low power operation, several modes are included to further reduce power in special conditions. The BCM5411 can detect when the user disconnects the port from a network and subsequently enters into low power modes. When energy is detected on the line, the part re-enters normal mode of operation. The energy detection mode is especially valuable for mobile applications to conserve battery life when the Ethernet port is not used. Dissipating less than 600 mW, the BCM5411's Wake-on-LAN mode allows PC adapters and LAN-on-motherboard (LOM) to meet stringent standby power requirements for PC'99 compliance. In the wake-on-LAN mode, the transceiver keeps
the link active at 10 Mbps or 100 Mbps while powering down all of the internal circuitry needed for operation at Gigabit Ethernet. Power is less than 400 mW in wake-on-LAN mode. In addition to supporting IEEE 802.3 Standard Gigabit Media Independent Interface (GMII), and industry standard Ten Bit Interface (TBI), BCM5411 also supports RGMII, a reduced pincount (12 versus 25) version of the GMII. In a 24-port system, using RGMII instead of GMII results in savings of 312 pins for MAC ASICS, thus saving systems cost significantly. The BCM5411 is fully compatible with the IEEE 802.3 standard for auto-negotiation of speed. Additionally, several Plug and Play enhancements are added to make the device even more user friendly. A link quality indicator LED gives installers an instant visual indication if there are any problems with the wiring plant supporting operation at the desired speed. This includes physical wiring defects that the BCM5411 cannot automatically correct for and channel conditions such as excessive cable length, return loss, crosstalk, echo, and noise. Broadcom's cable analyzer software can be used with the device to provide remote management of the cable and a first level of diagnostics and fault isolation. The BCM5411 continually monitors various channel conditions. The optional Ethernet@WireSpeedTM capability allows the BCM5411 to auto-negotiate to the maximum data rate allowed by the cable plant. This feature prevents failure to establish link because of cable plant impairment at higher data rates.
Broadcom(R), the pulse logo, and Connecting everything(R) are trademarks of Broadcom Corporation and/or its subsidiaries in the United States and certain other countries. All other trademarks are the property of their respective owners.
(R)
BROADCOM CORPORATION 16215 Alton Parkway, P.O. Box 57013 Irvine, California 92619-7013
(c) 2003 by BROADCOM CORPORATION. All rights reserved. 5411-PB02-R 06.25.03
Phone: 949-450-8700 FAX: 949-450-8710 Email: info@broadcom.com Web: www.broadcom.com

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