Datasheet > 5220-DS03-R

5220-DS03-R

更新时间： 2024-10-02 01:08:11

品牌	Logo	应用领域
博通 - BOARDCOM		局域网（LAN）标准
页数	文件大小	规格书
90页	1172K
描述
10/100BASE-TX/FX Mini Transceiver

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5220-DS03-R 数据手册

PRELIMINARY DATA SHEET

BCM5220

10/100BASE-TX/FX Mini-Φ™ Transceiver

GENERAL DESCRIPTION

FEATURES

The BCM5220 is a single channel, low-power, 10/

100BASE-TX/FX transceiver targeting a number of

applications requiring intelligent power management and

robust network tolerance. The BCM5220 operates at

3.3V or 2.5V. The devices contain a full-duplex 10BASE-

T/100BASE-TX/100BASE-FX Fast Ethernet transceiver,

which performs all of the physical layer interface functions

for 10BASE-T Ethernet on CAT 3, 4, and 5 unshielded

twisted pair (UTP) cable and 100BASE-TX Fast Ethernet

on CAT 5 UTP cable. In addition, pin-compatibility with

the BCM5221 offers the flexibility of an upgrade path.

100BASE-FX is supported through the use of external

fiber-optic transmit and receive devices.

•

Power Supply: 2.5V or 3.3V

Integrated Voltage Regulator to Allow Operation from

a Single Supply Source

Power Consumption: <275 mW

Unique Energy Detection Circuit to Enable Intelligent

Power Management

Cable Length Indication

Cable Noise Level Indication

Robust CESD Tolerance

Cable Length Greater Than 140 meters

Well Under 10 PPM Defect Ratio Quality

+10% Voltage Tolerance

Industrial Temperature Range (-40 to 85C)

MII and 7-wire Serial Interface Configurable

IEEE 1149.1 (JTAG) Scan Chain Support

MII Management Via Serial Port

Pin-compatible with BCM5221

•

The BCM5220 is a highly integrated solution combining a

digital adaptive equalizer, ADC, phase lock loop, line

driver, encoder, decoder and all the required support

circuitry into a single monolithic CMOS chip. It complies

fully with the IEEE 802.3u specification, including the

Media Independent Interface (MII) and Auto-Negotiation

subsections.

10BASE-T/100BASE-TX/FX IEEE 802.3u Fast

Ethernet Transceiver

64-pin TQFP or 64-pin BGA Package

•

APPLICATIONS

•

PCMCIA/CardBus cards

LAN on motherboard

IP phones

The effective use of digital technology in the BCM5220

design results in robust performance over a broad range

of operating scenarios. Problems inherent to mixed-

signal implementations, such as analog offset and on-

chip noise, are eliminated by employing field proven

digital adaptive equalization and digital clock recovery

techniques.

Cable modems

Set-top boxes and print servers

Wireless access points

Embedded telecom

ADC

Figure 1: Functional Block Diagram

5220-DS04-405-R

04/20/04

16215 Alton Parkway • P.O. Box 57013 • Irvine, CA 92619-7013 • Phone: 949-450-8700 • Fax: 949-450-8710

12 3 4 5 6 7...90

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