BCM5421S ® 10/100/1000BASE-T GIGABIT COPPER TRANSCEIVER WITH SERDES SUMMARY OF BENEFITS FEATURES • Fully integrated 10BASE-T/100BASE-TX/1000BASE-T Gigabit Ethernet transceiver with SerDes • MII, GMII, TBI, RGMII, RTBI, SGMII, and MAC SerDes interface options • Line-side copper and fiber interface options • On-chip low voltage regulators • Fully compliant with IEEE 802.3, 802.3u, and 802.3ab standards • 0.13-µm CMOS — low power and cost • Low power • 1W per port • Wake on LAN support • Advanced power management • Low EMI emissions • Ethernet@WireSpeed™ logic 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, pairskew, and pair polarity • Automatic MDI/MDIX crossover at all speeds • Robust CESD tolerance • Support for jumbo packets up to 9 KB • IEEE 1149.1 (JTAG) boundary scan • 117-pin BGA and 128-pin MQFP packages 10/100/1000BASE-T GBIC Module • Provides triple-speed operation for compatibility with legacy networks. • Simplifies system and board design. • RGMII/RTBI reduces I/O pin requirement over GMII and TBI by more than 50%. • SGMII further reduces the interface to six pins, while the serial • MAC SerDes interface requires only four pins. • Lowers system cost and reduces solution footprint. • Provides interoperability with IEEE standard device operation at 10, 100 and 1000 Mbps at half- and full-duplex. • Requires no airflow or heatsink. • Provides compliance with PCI 2.2 and PC99/PC2000. • Reduces system design constraints to meet EMI emissions standards. • 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. • High CESD tolerance prevents equipment damage and return. • Operates with larger packets for wider range of packet protocol support and improved efficiency. • Ease of manufacturing with JTAG support, simplified power supply, and multiple MAC interfaces. 1000BASE-T Gigabit Copper or Fiber Uplink GBIC Module BCM5605 BCM5421S Switch/MAC Optical Module Transformer RJ-45 RJ-45 BCM5421S SerDes Transformer GBIC Connector BCM5228 BCM5228 BCM5228