BCM5401
®
10/100/1000BASE-T GIGABIT ETHERNET TRANSCEIVER
Complete 10/100/1000BASE-T Network Interface Card (NIC) Solution
• Fully integrated 10BASE-T/100BASE-TX/1000BASE-T
Gigabit Ethernet transceiver
IEEE 802.3, 802.3u, and 802.3ab standards
Digital Signal Processor (DSP) based design offering robust,
fully adaptive performance and simplified board design
Field-proven design based on the BCM5400
Register and software compatible with the BCM5400
Advanced power management
Low-power 1.8V digital core
Wake on LAN support
Integrated cable test features
Link quality indication
Automatic detection and correction of wiring pair swaps, pair
skew, and pair polarity
Automatic MDI crossover
IEEE 802.3ab standard auto-negotiation with next page
support to determine operating speed
Internal 125-MHz low-jitter clock generation
GMII interface and 10-bit interface (TBI)
Support for jumbo packets up to 9 KB
JTAG test interface
256-pin TBGA package
Provides robust operation at 1000 Mbps on existing CAT 5
cable plants.
Supports 10/100/1000BASE-T applications.
Dynamically senses and adapts to changes in the channel
conditions of the cable plant.
Backward software compatibility with, and similar layout to,
the BCM5400 allows easy migration to the newest technology.
Does not require heat sink or airflow.
Allows characterization of cable plant and immediate
indication of cabling issues for 1000BASE-T.
Simplifies installation and diagnostics of cable plants.
Automatically configures the link to support the highest
possible speed (10/100/1000 Mbps and full-duplex or half-
duplex operation).
125-MHz clock eliminates costly external clocking circuitry for
the MAC/ASIC.
Compatible with any existing MAC/ASIC that supports either
an industry-standard 10-bit interface (TBI) or IEEE 802.3z
standard GMII.
Flexible and programmable LED support.
Includes visual link quality indicator
FEATURES SUMMARY OF BENEFITS
10/100/1000 Mbps MAC
Memory
Quad T
ransf
ormer
RJ-45
BCM5401
10/100/1000BASE-T
Gigabit Ethernet Transceiver