BCM5228
PRODUCT
®
Brief
O F
B E N E F I T S
1 0 / 1 0 0 B A S E - T X / F X O C TA L -
Φ
™ T R A N S C E I V E R
B C M 5 2 2 8
F E AT U R E S
S U M M A R Y
•
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
Φ
•
Proven Broadcom proprietary All-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
paired with an external fiber-optic transceiver
•
Permits transmission over fiber-optic cabling when
•
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
24-Port 10/100 Switch
BCM5421
Gigabit
PHY
STRATASWITCH™
GMII
GMII
EPIC
RMII
EPIC
RMII
EPIC
RMII
BCM5421
Gigabit
PHY
BCM5228
OCTAL-F
BCM5228
OCTAL-F
BCM5228
OCTAL-F
Quad
Magnetics
Quad
Magnetics
Quad
Magnetics
Quad
Magnetics
Quad
Magnetics
Quad
Magnetics
RJ45 Stacked 2×6
RJ45 Stacked 2×6
嵌入式系统
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