LXT970A 查看數據表（PDF） - Intel

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LXT970A

Dual-Speed Fast Ethernet Transceiver

Intel 

Dual-Speed Fast Ethernet Transceiver — LXT970A

Figure 1. LXT970A Block Diagram

MII

TX

Hardware

Interface

MII

MGMT

TX_EN

TX_ER

TXD<0:4>

TX_CLK

MF<0:4>

CFG<0:1>

FDE

TRSTE

RESET

FDS/MDINT

MDIO

MDDIS

MDC

XTALI/O

2

RX_CLK

RXD<0:4>

MII

RX

CRS

COL

RX_DV

RX_ER

PWR_DWN

10Mbps

Loopback

Management/

Mode Select

Logic

Parallel

to Serial

Converter

Manchester

Encoder

10

Scrambler 100

& Encoder

Auto

Negotiation

Pulse

Shaper

Crystal Osc

& PLL

Carrier Sense

Collision Detect

Data Valid

Error Detect

Serial to

Parallel

Converter

Clock

Generator

Manchester

10 Decoder

100

Decoder &

Descrambler

Slicer

Baseline

Wander

Correction

PwrDown/

Line Energy

Monitor

+

ECL

Driver

-

+

TP

Driver

-

LED

Drivers

FIBOP

FIBON

TPOP

TPON

100Mbps

Loopback

LED_

+

ECL

Rcvr

-

+

TP

Rcvr

-

FIBIP

FIBIN

TPIP

TPIN

Datasheet

9

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