BCM5402 データシートの表示（PDF） - Broadcom Corporation
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BCM5402 Datasheet PDF : 1 Pages
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BCM5402
PRODUCT
®
Brief
BCM5402 DUAL-PORT 10/100/1000BASE-T GIGABIT COPPER TRANSCEIVER
BCM5402 FEATURES
• Two fully integrated 10BASE-T/100BASE-TX/
1000BASE-T Gigabit Ethernet transceivers on a single
monolithic CMOS chip
• Fully compliant with IEEE 802.3, 802.3u, and 802.3ab
standards
• Low power
• Less than 2W per port
• Advanced power management
• Wake On LAN mode—less than 600 mW per port
• MII, GMII, TBI, RGMII, and RTBI interface options
• Ethernet@WireSpeedTM 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
• Internal 125-MHz low-jitter clock generation
• Support for jumbo packets up to 9 KB
• IEEE 1149.1 (JTAG) boundary scan
• 256-pin TBGA and 260FPBGA
SUMMARY OF BENEFITS
• Low power dual-port integration enables high port
density switches and dual-port adapter cards.
• Compatible with IEEE standard devices operating at
10, 100, and 1000 Mbps at half- and full-duplex.
• No airflow or heatsink required.
• Wake on LAN mode for low power PC’99 compliant
adapters (less than 600 mW per-port).
• RGMII/RTBI reduces I/O pin requirement over GMII
and TBI by more than 50%.
• 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.
• 125-MHz clock eliminates costly external clocking
circuitry for the MAC/ASIC.
• Operates with larger packets for wider range of packet
protocol support and improved efficiency.
• High density package options without heatsink
requirement provides improved testability.
BCM5402 System Diagram
BCM5402
BCM5402
BCM5402
BCM5402
10/100/1000BASE-T
Gigabit Ethernet Transceiver
Dual
Transformer
Dual
Transformer
Dual
Transformer
Dual
Transformer
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