BCM54616S
®
10/100/1000BASE-T GIGABIT COPPER TRANSCEIVER
SUMMARY OF BENEFITS
FEATURES
• Simplifies system and board design.
- Reduced I/O pin requirements with RGMII (over 50%).
- On-chip RGMII timing delay
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• Single-chip integrated triple-speed Ethernet transceiver.
Support for the following copper line interfaces:
- 1000BASE-T IEEE 802.3ab
- 100BASE-TX IEEE 802.3u
- 100BASE-FX
- 10BASE-T IEEE 802.3™
• Provides interoperability with IEEE standard devices
operating at 10 Mbps, 100 Mbps, and 1000 Mbps at half- and
full-duplex.
• RGMII and SGMII MAC interface options
• Lowers system Bill of Materials (BOM) cost and simplifies
system design.
• Integrated voltage regulator
• Low power
- Less than 600 mW per port
- Advanced power management
• Eases system level debug.
• Reduces system design constraints to meet EMI emissions
standards.
• Trace-matched output impedance
• Lineside loopback
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• Low Electromagnetic Interference (EMI) emissions
• Cable diagnostic function characterizes cable plant condition
and immediately indicates cabling issues.
- Prevents erroneous equipment return due to bad cable
plants.
- Prevents manufacturing fallout due to bad cable plants.
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• Cable plant diagnostics
- Cable plant analyzer function detects cable plant 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
• Robust Cable Electrostatic Discharge (CESD) tolerance
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• Support for jumbo packets up to 10 KB
• High CESD tolerance prevents equipment damage and
return.
• Operates with larger packets for wider range of packet
protocol support and improved efficiency.
• Ease of manufacturing with JTAG support, simplified power
supply, and multiple MAC interfaces.
• IEEE 1149.1 (JTAG) boundary scan
General Gigabit Ethernet Connectivity
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10/100 Mbps P HY
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10/100 Mbps P HY
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• 100-pin FBGA package
1000BASE-T Gigabit Uplink
OVERVIEW
SYMBOL
ENCODER
TX
DAC
TRD0+
TRD0TRD1+
TRD1TRD2+
TRD2TRD3+
TRD3-
ECHO
CANCELLER
BASELINE
WANDER
CORRECTION
PGA
XTALK
CANCELER
3X
SGMII
EQUALIZER
ADC
SYMBOL
ENCODER/
ALIGNER
CLOCK
GENERATOR
RDAC
BIAS
GENERATOR
REGSUPPLY
LED
DRIVERS
VOLTAGE
REGULATOR
REGOUT
CLK125
RXC
RX_DV
RXD[3:0]
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AUTONEGOTIATION
XTALI
RXDP
RXDN
TXDP
TXDN
DEF/
TRELLIS
DECODER
TIMING &
PHASE
RECOVERY
XTALO
TXD[3:0]
TX_EN
GTXCLK
MII
REGISTERS
MII
MGMT
CONTROL
LED1
LED2
LED3
LED4
MDC
MDIO
BCM54616S Reference Design
phase-locked loops, line drivers, encoders, decoders, echo cancelers,
crosstalk cancelers, and all other required support circuitry. The
BCM54616S is designed to be fully compliant with RGMII, SGMII, and
MII interface specifications, allowing compatibility with industrystandard Ethernet MACs and switch controllers.
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The BCM54616S is a triple-speed 10/100/1000BASE-T Gigabit
Ethernet transceiver integrated into a single monolithic CMOS chip. The
device performs all of the Physical Layer (PHY) functions for
1000BASE-T, 100BASE-TX, and 10BASE-T on standard Category 5
UTP cable. The 10BASE-T Ethernet can also run on standard categories
3, 4, and 5 UTP. The BCM54616S is designed to comply with the SGMII
industry standard and to exceed IEEE specifications for noise
cancellation and transmission jitter, providing consistent and reliable
operation over the broadest range of existing cable plants.
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The BCM54616S is based on the proven digital-signal processor
technology of Broadcom, combining digital adaptive equalizers, ADCs,
Designed for reliable operation over worst-case Category 5 cable plants,
the BCM54616S automatically negotiates with its link partner to
determine the highest possible operating speed. The device detects and
corrects most common wiring problems. The BCM54616S features
CableChecker™ diagnostics, which detects common cable problems,
including shorts, opens, and cable length.
Broadcom®, the pulse logo, Connecting everything®, the Connecting everything logo, and
CableChecker™ 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.
®
BROADCOM CORPORATION
5300 California Avenue,
Irvine, California 92617
© 2009 by BROADCOM CORPORATION. All rights reserved.
54616S-PB00-R
04/22/09
Phone: 949-926-5000
Fax: 949-926-5203
E-mail: info@broadcom.com
Web: www.broadcom.com
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