AM79C873 查看數據表（PDF） - Advanced Micro Devices

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AM79C873

NetPHY™ -1 10/100 Mbps Ethernet Physical Layer Single-Chip Transceiver with 100BASE-FX Support

Advanced Micro Devices 

BLOCK DIAGRAM

PRELIMINARY

MII

Signals

25M OSCI

LED1-4

TX CGM

LED

Driver

4B/5B

Encoder

Scrambler

Parallel

to Serial

NRZ

to

NRZI

NRZI to

MLT-3

MLT-3

Driver

PECL

Driver

FXTD±

100TXD±

MII

Interface/

Control

4B/5B

Decoder

Code-

group

Alignment

25M CLK

Rise/Fall

Time

CTL

125M CLK

Descrambler

Serial to

Parallel

NRZI to

NRZ

Digital

Logic

RX

CRM

MLT-3 to

NRZI

Adaptive

EQ

PECL

Receiver

10BASE-T RX

Module TX

RXI±

FXRD±

FXSD+

RXI±

10TXD±

Register

Collision

Detection

Carrier

Sense

Auto-

Negotiation

22164A-1

2

Am79C873

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