BCM5482S
®
Brief
SUMMARY OF BENEFITS
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Compact solution for high density uplink applications, enabling
10/100/1000BASE-T and 1000BASE-X/100BASE-FX uplinks
1000BASE-X and 100BASE-FX support from same line side pins
enables direct interface to SFP modules
DUAL-PORT 10/100/1000BASE-T GIGABIT ETHERNET TRANSCEIVER
FEATURES
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Dual-port integrated 10BASE-T/100BASE-TX/1000BASE-T
Gigabit Ethernet transceiver
RGMII, SGMII, and SerDes MAC interface options
SGMII to SGMII support for SFP modules
Fully compliant with IEEE 802.3™, IEEE 802.3u, IEEE 802.3ab
standard, and IEEE 802.3z
0.13-micron CMOS—low power and cost
Supports copper or fiber in RGMII mode
Low power
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725 mW per port
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Advanced power management
Trace-matched output impedance
Line-side and MAC-side loopback
Low EMI emissions
CableChecker™ diagnostics
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Cable plant analyzer function detects cable plant impairments
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Ethernet@WireSpeed
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Automatic MDI/MDIX crossover at all speeds
Robust cable-sourced electrostatic discharge (CESD) tolerance
Support for jumbo packets up to 10 kB
IEEE 1149.1 (JTAG) boundary scan
121-pin BGA package
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Provides compatibility with IEEE standard devices operating at
10, 100, and 1000 Mbps at half-duplex and full-duplex.
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Clock timing can be adjusted to eliminate board trace delays
required by the RGMII specification.
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Lowers system BOM cost and simplifies system design
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Eases system level debugging
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Enables use of low-cost magnetics
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Cable diagnostic function characterizes cable plant condition
and immediately indicates cabling issues.
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Prevents erroneous equipment return due to bad cable plants
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Prevents manufacturing fallout due to bad cable plants
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Allows immediate uptime at reduced speeds (100BASE-TX or
10BASE-T)
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Over 3 kV of CESD tolerance prevents equipment damage and
return.
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Operates with larger packets for wider range of packet protocol
support and improved efficiency
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Ease of manufacturing with JTAG support, simplified power
supply, and multiple MAC interfaces
BCM5482S System Diagram
SFP
Module
1000Ba
se-
X
or
100Base-FX
Optical
Module
Strata or
XGS Switch
BCM5482S
SFP Connector
Transformer
RJ-45
BOARDCOM [ Broadcom Corporation. ]
