10/100BASE-TX QUAD-F™ TRANSCEIVER

The BCM5208R is a monolithic CMOS integrated circuit containing 4 transceivers that each perform all of the physical layer interface functions for 10BASE-T Ethernet on Category 3, 4, 5 unshielded twisted-pair (UTP) cable and 100BASE-TX Ethernet on Category 5 UTP cable.

FEATURES
• 10BASE-T/100BASE-TX IEEE 802.3u-compliant
• Full-duplex support in all modes
• IEEE 802.3u-compliant auto-negotiation
• Media Independent Interface (MII) for each port
• Shared MII serial management interface
• Fully integrated digital adaptive equalizers
• 125-MHz clock generator and timing recovery
• Integrated multimode transmit wave shaping
• Integrated baseline wander correction
• LED status pins
• Loopback mode for diagnostics
• IEEE 1149.1 (JTAG) support
• 3.3V power supply
• 208-pin PQFP package

SUMMARY OF BENEFITS
• Fully integrated TX quad PHY transceiver (MII to TX magnetics optics)
    • Decreases system cost per port
    • Simplifies system and board design
    • Reduces power consumption
• On-chip multimode transmit wave shaping
    • Eliminates need for external filters
    • Minimizes EMI
• Flexible Ethernet PHY solution
    • 10BASE-T, 100BASE-TX full-duplex
    • Suited for Ethernet switch products
• Digital adaptive equalization and clock recovery
    • Increases SNR by 3 dB over ideal analog equalizers
    • Robust performance in harsh noise environments and over substandard cable
    • Immune to on-chip noise and crosstalk
    • Insensitive to variations in process, temperature, and voltage
• Cost reduction for BCM5208 designs