BCM5221
®
Brief
10/100BASE-TX/FX Mini-Φ™ Transceiver
S U M M A R Y O F B E N E F I T S
F E A T U R E S
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Power Supply: 2.5V or 3.3V
Low power and intelligent power management
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Increased active working time
Prolonged battery life in active standby
Increased reliability
Integrated voltage regulator to allow operation from a single
supply source
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Power Consumption: <175 mW
Unique energy detection circuit to enable intelligent power management
HP Auto-MDIX
Improved ease of use and installation, reduced support cost
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Straight-through or crossover cables are accommodated, and such
accommodation is independent of installation
Advanced cable diagnostic features to enable remote
monitoring and debug of cabling infrastructure
Resistance to cable-sourced electrostatic discharge (CESD) to
reduce product destruction and product returns
Cable length indication
Cable noise level indication
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DSP-based Signi-PHY™ architecture to ensure performance
over temperature, voltage, and process variation
Robust CESD tolerance
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Proven in over two billion Fast Ethernet ports
Cable length greater than 145 meters
Well under 10 PPM defect ratio quality
±10% voltage tolerance
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Ease of manufacturing with JTAG support
Fully integrated TX/FX PHY transceiver (MII/RMII-to-TX
magnetics or FX optics)
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Lower system cost
Simplified system and board design
Industrial temperature range (–40°C to 85°C) package options
available
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MII and RMII configurable
IEEE 1149.1 (JTAG) scan chain support
MII management via serial port
Layout compatible with BCM5201
A P P L I C A T I O N S
Servers - Network Controller - Sideband Interface (NC-SI)
using RMII interface
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10BASE-T/100BASE-TX/FX IEEE 802.3u
Fast Ethernet transceiver
Digital TV, PCMCIA/CardBus cards, LAN on motherboard
(LOM), IP phones, cable modems, set-top boxes and print
servers, wireless access points, and embedded telecom
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Glueless TX-to-FX media conversion
64-pin TQFP with 64-pin BGA package, 48-pin KML package;
RoHS 5/6 and 6/6 package options available
Embedded 10/100 BASE-TX Application
BCM5221
Media
System Bus
MII/RMII
RJ-45
Connector
Access
Controller
(MAC)
10/100 BASE-TX
Single-Channel
PHY Transceiver
CPU
Magnetics
Module
SRAM