DP83843VJE

更新时间： 2024-09-19 13:07:23

品牌	Logo	应用领域
美国国家半导体 - NSC		/
页数	文件大小	规格书
87页	781K
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DP83843VJE 数据手册

July 1999

DP83843BVJE PHYTER

General Description

Features

The DP83843BVJE is a full feature Physical Layer device — IEEE 802.3 ENDEC with AUI/10BASE-T transceivers

with integrated PMD sublayers to support both 10BASE-T

and 100BASE-X Ethernet protocols.

and built-in filters

— IEEE 802.3u 100BASE-TX compatible - directly drives

standard Category 5 UTP, no need for external

100BASE-TX transceiver

This VLSI device is designed for easy implementation of

10/100 Mb/s Ethernet LANs. It interfaces directly to Twisted

Pair media through an external transformer or to ﬁber

media via industry standard electrical/optical ﬁber PMD

transceivers. This device also interfaces directly to the

MAC layer through the IEEE 802.3u standard Media Inde-

pendent Interface (MII), ensuring interoperability between

products from different vendors.

— Fully Integrated and fully compliant ANSI X3.263 TP-

PMD physical sublayer which includes adaptive equal-

ization and BLW compensation

— IEEE 802.3u 100BASE-FX compatible - connects direct-

ly to industry standard Electrical/Optical transceivers

— IEEE 802.3u Auto-Negotiation for automatic speed se-

lection

The DP83843 is designed with National Semiconductor's

advanced CMOS process. Its system architecture is based

on the integration of several of National's industry proven

core technologies:

— IEEE 802.3u compatible Media Independent Interface

(MII) with Serial Management Interface

— Integrated high performance 100 Mb/s clock recovery

circuitry requiring no external filters

— IEEE 802.3 ENDEC with AUI/10BASE-T transceiver

module to provide the 10 Mb/s functions

— Full Duplex support for 10 and 100 Mb/s data rates

— MII Serial 10 Mb/s mode

— Clock Recovery/Generator Modules from National's Fast

Ethernet and FDDI products

— Fully configurable node/switch and 100Mb/s repeater

modes

— FDDI Stream Cipher scrambler/descrambler for

TP-PMD

— Programmable loopback modes for flexible system diag-

nostics

— 100BASE-X physical coding sub-layer (PCS) and control

logic that integrates the core modules into a dual speed

Ethernet physical layer controller

— Flexible LED support

— ANSI X3T12 Compliant TP-PMD Transceiver

— Single register access to complete PHY status

— MDIO interrupt support

technology with Baseline Wander (BLW) compensation

— Individualized scrambler seed for 100BASE-TX applica-

tions using multiple PHYs

— Low power consumption for multi-port applications

— Small footprint 80-pin PQFP package

System Diagram

10BASE-T or

100BASE-TX

MII

10 AND/OR 100 Mb/s

10BASE-T

DP83843

ETHERNET MAC OR

RJ-45

10/100 Mb/s

100Mb/s REPEATER

100BASE-TX

ETHERNET PHYSICAL LAYER

CONTROLLER

25 MHz

CLOCK

STATUS

LEDS

100BASE-FX/

AUI

ThunderLAN^®is a registered trademark of Texas Instruments.

TWISTER™ is a trademark of National Semiconductor Corporation.

TRI-STATE^®is a registered trademark of National Semiconductor Corporation.

www.national.com

12 3 4 5 6 7...87

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与DP83843VJE相关器件

型号	品牌	获取价格	描述	数据表
DP83846	NSC	获取价格	DsPHYTER ぱSingle 10/100 Ethernet Transceiver
DP83846A	NSC	获取价格	DsPHYTER ぱSingle 10/100 Ethernet Transceiver
DP83846ALQA56A	TI	获取价格	DATACOM, ETHERNET TRANSCEIVER, PQCC56, 9 X 9 MM, 0.75 MM HEIGHT, LLP-56
DP83846AVHG	NSC	获取价格	DsPHYTER ぱSingle 10/100 Ethernet Transceiver
DP83846AVHG/NOPB	NSC	获取价格	IC DATACOM, ETHERNET TRANSCEIVER, PQFP80, 12 X 12 MM, 1.40 MM HEIGHT, PLASTIC, LQFP-80, Ne
DP83847	NSC	获取价格	DsPHYTER II ぱ Single 10/100 Ethernet Transcei
DP83847	TI	获取价格	10/100Mbps 以太网 PHY 收发器，具有可耐受 5V 电压的 I/O
DP83847ALQA56A	NSC	获取价格	DsPHYTER II ぱ Single 10/100 Ethernet Transcei
DP83847ALQA56A/NOPB	NSC	获取价格	IC DATACOM, ETHERNET TRANSCEIVER, QCC65, 9 X 9 MM, 7.50 MM HEIGHT, LEAD FREE, LLP-56, Netw
DP83847ALQA56A/NOPB	TI	获取价格	10/100Mbps 以太网 PHY 收发器，具有可耐受 5V 电压的 I/O \| NJZ

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