AM79C989 Просмотр технического описания (PDF) - Advanced Micro Devices

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производитель

AM79C989

Quad Ethernet Switching Transceiver (QuEST™)

Advanced Micro Devices 

BLOCK DIAGRAM

PRELIMINARY

System Interface

QTX_EN

QTX_DATA

QRX_DATA

QRX_VALID

QRX_CRS

QCLSN

SCLK

QRST/STRB

MDC

MDIO

v3

Jabber

Timer

Collision

Detect

Elasticity FIFO

10BASE-T Transceiver 0

Manchester

Encoder

Manchester

Decode and

Carrier Detect

Link Detect

Polarity Detection/

Correction

Link/Auto Neg

State Machine

10BASE-T Transceiver 1

10BASE-T Transceiver 2

10BASE-T Transceiver 3

Collision

Detect

Attachment Unit Interface

Register Block

Management Interface

Network Interface

Line Driver with

Wave Shaping

TXD0+

TXD0-

Line Receiver with

Smart Squelch

AUI Collision

Squelch

AUI Transmitter

AUI Receiver

with Squelch

RXD0+

RXD0-

REXT

TXD1+

TXD1-

RXD1+

RXD1-

TXD2+

TXD2-

RXD2+

RXD2-

TXD3+

TXD3-

RXD3+

RXD3-

PCI/CI+

QINT/CI-

DO+

DO-

DI+

DI-

21173B-1

2

Am79C989

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