BOARDCOM BCM5402

BCM5402
PRODUCT
Brief
®
BCM5402 DUAL-PORT 10/100/1000BASE-T GIGABIT COPPER TRANSCEIVER
B C M 5 4 0 2
S U M M A R Y
F E AT U R E S
fully integrated 10BASE-T/100BASE-TX/
• Two
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
automatically selects the
• [email protected]
maximum speed based on channel conditions
• Cable plant diagnostic
TM
O F
B E N E F I T S
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.
on LAN mode for low power PC’99 compliant
• Wake
adapters (less than 600 mW per-port).
RGMII/RTBI reduces I/O pin requirement over GMII
• and
TBI by more than 50%.
configures the link to support the
• Automatically
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.
• 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
• 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.
• 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
10/100/1000 Mbps
Ethernet Switch
BCM5402
BCM5402
BCM5402
BCM5402
10/100/1000BASE-T
Gigabit Ethernet Transceiver
Dual
Transformer
Dual
Transformer
Dual
Transformer
Dual
Transformer
RJ-45 Connectors
BCM5402 System Diagram