Datasheet > MX98745

MX98745

更新时间： 2024-09-26 21:55:35

品牌	Logo	应用领域
其他 - ETC		外围集成电路中继器数据传输局域网局域网（LAN）标准
页数	文件大小	规格书
36页	166K
描述
100 BASE-TX/FX REPEATER CONTROLLER

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中文翻译

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数据手册

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MX98745 数据手册

PRELIMINARY

MX98745

100 BASE-TX/FX

REPEATER CONTROLLER

1.0 FEATURES

• IEEE 802.3u D5 repeater and management compatible • On-chip elasticity buffer for PHY signal re-timing to the

• Support 7 TX/FX ports and 1 universal port (TX or MII

port selectable)

MX98745 clock source

• Contents of internal register loaded from EEPROM

• Support8-scaleutilizationandcollisionrateLEDdisplay • PCS/MAC type MII interface selectable

• Asynchronous Expansion port clock supported for

easily stackable application

• CMOS device features high integration and low power

with a signle +5V supply

• Separate jabber and partition state machines for each

port

2.0 GENERAL DESCRIPTION

All contents of internal registers are loaded from

EEPROM in MX98745. If system application prefers

default setting instead of using contents from EEPROM,

EEPROM operation can be disabled by setting EECONF

to low.This feature faciliates system modulization appli-

cation.

The MX98745, Second generation 100 Mb/s TX/FX Hub

Controller (XRC II), is designed specifically to meet the

needs of today's high speed Fast Ethernet networking

systems. The MX98745 is fully IEEE 802.3u D5 clause

27 repeater compatible.

Difference from MX98741, which provides 8 dedicated

TX/FX ports and 3 MII ports, MX98745 support 7 dedi-

catedTX/FX ports and one programmbleTX/FX/MII port.

Whenever MII port is programmed, MX98745 also sup-

ports the flexibility to make user can easily select PCS or

MAC type MII for system application. With this program-

mable MII interface, user can easily connect MX98745 to

MX98742 (Bridge), or T4 transceiver. Or user can use

this programmable MII interface to connect to either MAC

or PCS type data transceiver.

8 scale of utilization LED is also provided by MX98745.

They are 1%, 3%, 5%, 10%, 20%, 40%, 60% and 80+%.

The defination for utiliztion is Mbs Received/100 Mb within

one second sampling period. Meanwhile, RX/LINK, Par-

tition, Isolation and Collision status are also provided

through LED display.

A great improvement in MX98745 (compared to

MX98741) is that it also provides "synchronous expan-

sion port data transfer mode" to make stackable design

more easier.

P/N:PM0427

REV. 1.4, JUL. 8, 1998

12 3 4 5 6 7...36

中文翻译

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与MX98745相关器件

型号	品牌	获取价格	描述	数据表
MX98746	ETC	获取价格	100 Base-TX/FX 5-Port Class II Repeater Controller
MX98747	ETC	获取价格	10/100M 8PORT DUAL SPEED HUB CONTROLLER
MX98748	ETC	获取价格	Highly Intergated 10/100M Dual Speed Hub With Extra 4 Port Switch Built-In
MX98902A(PLCC)	ETC	获取价格	LAN Node Controller
MX98902A(PQFP)	ETC	获取价格	LAN Node Controller
MX98902A(SQFP)	ETC	获取价格	LAN Node Controller
MX98902AEC	Macronix	获取价格	LAN Controller, 2 Channel(s), 1.25MBps, CMOS, PQFP100, PLASTIC, QFP-100
MX98902AQC	Macronix	获取价格	LAN Controller, 2 Channel(s), 1.25MBps, CMOS, PQCC84, PLASTIC, LCC-84
MX98905B	ETC	获取价格	The MX98905 is designed for easy implementation of CSMA/CD local area networks,
MX98905BFC	ETC	获取价格	The MX98905 is designed for easy implementation of CSMA/CD local area networks,

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