BCM5221 查看數據表（PDF） - Broadcom Corporation
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BCM5221 Datasheet PDF : 2 Pages
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BCM5221
®
Brief
10/100BASE-TX/FX Mini-Φ™ Transceiver
FEATURES
SUMMARY OF BENEFITS
• Power Supply: 2.5V or 3.3V
• Integrated voltage regulator to allow operation from a single
supply source
• Power Consumption: <175 mW
• Unique energy detection circuit to enable intelligent power management
• HP Auto-MDIX
• Cable length indication
• Cable noise level indication
• Robust CESD tolerance
• Cable length greater than 145 meters
• Well under 10 PPM defect ratio quality
• ±10% voltage tolerance
• Industrial temperature range (–40 to 85°C) package options available.
• MII and RMII configurable
• IEEE 1149.1 (JTAG) scan chain support
• MII Management via serial port
• Layout compatible with BCM5201
• 10BASE-T/100BASE-TX/FX IEEE 802.3u
Fast Ethernet transceiver
• 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
• Low power and intelligent power management
• Increased active working time
• Prolonged battery life in active standby
• Increased reliability
• Improved ease of use and installation, reduced support cost
• 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
• DSP-based Signi-PHY™ architecture to ensure performance
over temperature, voltage, and process variation
• Proven in over 450,000,000 Fast Ethernet ports
• Faster design turnaround with BCM5201 layout
compatibility
• Ease of manufacturing with JTAG support
• Fully integrated TX/FX PHY transceiver (MII/RMII-to-TX
magnetics or FX optics)
• Lower system cost
• Simplified system and board design
APPLICATIONS
• Servers - Network Controller - Sideband Interface (NC-SI)
using RMII interface
• 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
Embedded 10/100 BASE-TX Application
System Bus
CPU
SRAM
Media
Access
Controller
(MAC)
MII/RMII
BCM5221
10/100 BASE-TX
Single-Channel
PHY Transceiver
Magnetics
Module
RJ-45
Connector
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