BCM5208R Datasheet, PDF (1/2 Pages) Broadcom Corporation. – 10/100BASE-TX QUAD-FTM TRANSCEIVER

BCM5208R
®
BCM5208R 10/100BASE-TX QUAD-F™ TRANSCEIVER
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}
BCM5208R
10/100BASE-TX
QUAD-Φ^TM
Transceiver
BCM5208R
10/100BASE-TX
QUAD-Φ^TM
Transceiver
MAC
MAC
MAC
MAC
MAC
MAC
MAC
MAC
Switching
Engine
Switch Module
MP Memory
Logic
24-Port 10/100BASE-T Ethernet Switch Example