bcm5482 Broadcom Corp., bcm5482 Datasheet
bcm5482
Manufacturer Part Number
bcm5482
Description
Bcm5482 - Dual-port 10/100/1000base-t Gigabit Copper Transceiver
Manufacturer
Broadcom Corp.
Datasheet
1.BCM5482.pdf
(2 pages)
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DUAL-PORT 10/100/1000BASE-T GIGABIT ETHERNET TRANSCEIVER
Dual-port integrated 10BASE-T/100BASE-TX/1000BASE-T
Gigabit Ethernet transceiver .
RGMII, SGMII, and SerDes MAC interface options.
1-Gbps line-side SerDes with RGMII MAC interface.
Fully compliant with IEEE 802.3, IEEE 802.3u, and
IEEE 802.3ab standards.
0.13-micron CMOS—low power and cost.
Supports copper or fiber in RGMII mode.
Low power.
• 600 mW per port.
• Advanced power management.
Trace-matched output impedance.
Line-side and MAC-side loopback.
Low EMI emissions.
CableChecker™ Diagnostics.
• Cable plant analyzer function detects cable plant impairments.
• Ethernet@WireSpeed.
• 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.
F E A T U R E S
®
BCM5482 System Diagram
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Low-power, dual-port integration reduces design constraints
for space-constrained IP phone applications.
Compact solution for 10/100Base-TX uplink applications.
Provides compatibility with IEEE standard devices operating
at 10, 100, and 1000 Mbps at half-duplex and full-duplex.
Clock timing can be adjusted to eliminate board trace delays
required by the RGMII specification.
Lowers system BOM cost and simplifies system design.
Eases system level debugging.
Enables use of low-cost magnetics.
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.
• Allows immediate uptime at reduced speeds (100Base-TX or
Over 3 kV of 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.
BCM5482
10Base-T).
S U M M A R Y O F B E N E F I T S
BCM5482
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bcm5482 Summary of contents
Page 1
... Over 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. BCM5482 System Diagram BCM5482 ...
Page 2
... IEEE requirements for echo, near-end crosstalk (NEXT), and far-end crosstalk (FEXT). With the industry's lowest power at 600 mW per port, the BCM5482 assists in reducing the power distribution requirements of IP phone systems. In addition, the BCM5482 has extremely low EMI emissions, which reduces the design constraints required to meet EMI radiation specifications ...