BCM5421 データシートの表示（PDF） - Broadcom Corporation
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BCM5421 Datasheet PDF : 1 Pages
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BCM5421
PRODUCT
®
Brief
BCM5421 10/100/1000BASE-T GIGABIT COPPER TRANSCEIVER
BCM5421 FEATURES
• Fully integrated 10BASE-T/100BASE-TX/
1000BASE-T Gigabit Ethernet transceiver
• On-chip low-voltage regulators
• Fully compliant with IEEE 802.3, 802.3u, and 802.3ab
standards
• 0.13um CMOS — low-power and cost
• Low power
• 1W per port
• Wake on LAN support
• Advanced power management
• Low EMI emissions
• Ethernet@WireSpeedTM logic automatically selects the
maximum speed based on channel conditions
• Cable plant diagnostic
• 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 CESD tolerance
• Support for jumbo packets up to 9 KB
• IEEE 1149.1 (JTAG) boundary scan
• MII, GMII, TBI, RGMII, and RTBI interface options
• 117 BGA and 128 MQFP
SUMMARY OF BENEFITS
• Provides interoperability with IEEE standard devices
operating at 10, 100, and 1000 Mbps at half- and full-
duplex.
• Lowers system cost and reduces solution footprint.
• Requires no airflow or heatsink.
• Provides compliance with PCI 2.2 and PC99/PC2000.
• Reduces system design constraints to meet EMI
emissions standards.
• Automatically configures the link to support the
highest possible speed based on link partner capability
and characteristics of the channel.
• Cable diagnostic function characterizes cable plant
condition and immediately indicates cabling issues.
• Prevents erroneous equipment return due to bad cable plants.
• Prevents manufacturing fall-out due to bad cable plants.
• 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.
• Simplifies system and board design.
• RGMII/RTBI reduces I/O pin requirement over GMII and TBI
by more than 50%.
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