BCM5228 データシートの表示（PDF） - Broadcom Corporation
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BCM5228 Datasheet PDF : 2 Pages
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BCM5228
®
10/100BASE-TX/FX HEX-Φ™ TRANSCEIVER
FEATURES
SUMMARY OF BENEFITS
• Single-chip eight-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
• Up to 150 meters of error-free operation
• Full-duplex support
• Twisted-pair or fiber support on any or all ports
• Interrupt output capability
• 208-pin PQFP or 256-pin FBGA package
• Proven Broadcom proprietary DSP Digi-Φ™ architecture
• Target usage: Fast Ethernet switches
• Smallest footprint per port available
• HP Auto-MDIX detects and corrects cabling errors
• Measures 17 mm × 17 mm for eight ports
• Single-chip device contains eight independent Fast Ethernet
transceivers
• Performs all physical layer interface functions for 100BASE-
TX full- or half-duplex Ethernet on Category 5 unshielded
twisted-pair (UTP) cable and 10BASE-T full-duplex or half-
duplex Ethernet on Category 3, 4, or 5 UTP 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
• Three LED indicator pins per port
• Onboard cable length meter reports the link distance for each
port
BCM5421
Gigabit
PHY
GMII
EPIC
24-Port 10/100 Switch
STRATASWITCH™
EPIC
EPIC
GMII
BCM5421
Gigabit
PHY
BCM5228
OCTAL-F
BCM5228
OCTAL-F
BCM5228
OCTAL-F
Quad
Magnetics
Quad
Magnetics
RJ45 Stacked 2×6
Quad
Magnetics
Quad
Magnetics
Quad
Magnetics
Quad
Magnetics
RJ45 Stacked 2×6
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