BCM5226 PRODUCT Brief ® 1 0 / 1 0 0 B A S E - T X / F X H E X - Φ™ T R A N S C E I V E R B C M 5 2 2 6 F E AT U R E S • Single-chip six-port Fast Ethernet transceiver • HP Auto-MDIX • Low-power 2.5V CMOS technology • Compatible with 2.5V I/O and 3.3V I/O • Reduced Media Independent Interface (RMII) • Serial Media Independent Interface (SMII) • Fully integrated digital adaptive equalization • On-chip multimode transmit waveshaping • Edge-rate control eliminates external filters • Integrated baseline wander correction • Full-duplex support • Twisted-pair or fiber support on any or all ports • Interrupt output capability • Loopback mode for diagnostics • 160-pin PQFP (BCM5226R) • 128-pin PQFP (BCM5226S) • Proven Broadcom proprietary DSP Digi-Φ™ S U M M A R Y O F B E N E F I T S • Target usage: Fast Ethernet switches. • Low power < 300 milliwatts per port. • Auto-MDIX detects and corrects cabling errors. • Provides robust performance over a broad range of operating conditions. • Single-chip device contains six independent Fast Ethernet transceivers. • Performs all physical layer interface functions for 100BASE-TX full-duplex or half-duplex Ethernet on Category 5 twisted-pair cable and 10BASE-T full- or half-duplex Ethernet on Category 3, 4, or 5 cable. • Permits transmission over fiber-optic cabling when paired with an external fiber-optic transceiver. • Compliant with IEEE 802.3 standard. • IEEE 1149.1 (JTAG) scan chain support. architecture Quad BCM5208 Versus HEX BCM5226 Comparison 6 Active PHY components + 6 MACs including switch fabric 4 Active SMII PHY components + SMII MACs embedded in switch chip Switch Fabric and System Logic Switch Fabric with Embedded MACs QUAD MAC QUAD MAC 24x16=384 MII Pins 24x2=48 SMII Pins BCM5208 Port 1 BCM5208 Port 24 BCM5226 Port 1 BCM5226 BCM5226 BCM5226 Port 24