•
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.
Quad BCM5208 Versus HEX BCM5226 Comparison
SUMMARY OF BENEFITS
6 Active PHY components
+ 6 MACs including switch fabric
QUAD MAC QUAD MAC
Switch Fabric and System Logic
BCM5208 BCM5208
Port 1 Port 24
4 Active SMII PHY components
+ SMII MACs embedded in switch chip
BCM5226
Port 1 Port 24
Switch Fabric with Embedded MACs
BCM5226BCM5226BCM5226
24x16=384 MII Pins
24x2=48 SMII Pins
•
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™
architecture
BCM5226 FEATURES
10/100BASE-TX/FX HEX-Φ™ TRANSCEIVER
®
PRODUCTPRODUCT
BriefBrief
BCM5226