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CDB8952

Advanced Product Databook

Crystal LAN™ 10Base-T

and 100Base-X Transceiver

Evaluation Board

FEATURES

! IEEE 802.3 compliant 10Base-T and 100Base-X

Physical Interface.

! Media Supported:

— 10Base-T

— 100Base-TX

— 100Base-FX (with optional fiber transceiver installed)

! IEEE 802.3u MII Interface with extended register

support.

! LED indicators for Power, Link Status, Collision,

Full/Half Duplex, Transmit Activity, Receive

Activity, 100 Mb/s Speed, and 10 Mb/s Speed.

! Hardware configurable through jumper settings,

or software configurable through the MII interface.

! Operates from single 5 V supply, or may be

optionally configured for interface to 3.3 V MII.

DESCRIPTION

The CDB8952 Evaluation Board provides a platform for

evaluating the CS8952 10Base-T and 100Base-X

Transceiver. It is designed to plug into a transceiver test

box via a standard 40-pin MII connector. System de-

signers can use the CDB8952 to fully exercise the

CS8952 without the time and expense of custom

prototyping.

Though the CBD8952 is configured from the factory for

5 V operation with the power supplied from the test box,

it may also be configured for 3.3 V MII systems.

The CDB8952 may be optionally configured with a fiber

interface module for 100Base-FX testing.

ORDERING INFORMATION

CS8952-CQ 0° to +70° C 100-pin TQFP

CDB8952 Evaluation Board

TEST RESET

HDR35

HDR1

C26

HDR42

C28

C27

HDR34

TP2

C46

S2 S1

HDR4

TXCLK

TST1

MIIDRV

MII_PWR +5V

C1 C3

TP1

HDR15

HDR5

HDR6

HDR7

HDR43

POWER

LED8

LED6

LED7

LED1

LED2

LED3

LED4

LED5

FDX

LNK

SPD100

SPD10

PHYAD4

PHYAD3

PHYAD2

PHYAD1

PHYAD0

TP4

AN0

AN1

TXS0

TXS1

TCM

CS8952

Shielded

RJ45

HFBR-5103

Fiber

Transceiver

MII

Isolation

Transformer

COL

CDB8952 REV. B EVALUATION BOARD

DS206DB2 OCT ‘01

CIRRUS LOGIC ADVANCED PRODUCT DATABOOK

1 2 3 4 5 6 ... 11 12

Resumo do Conteúdo

Página 1 - Evaluation Board

Página 2

10 DS206DB2CDB8952Crystal LAN™ 10Base-T and 100Base-X TransceiverCIRRUS LOGIC ADVANCED PRODUCT DATABOOKFigure 4.

Página 3

DS206DB2 11CDB8952Crystal LAN™ 10Base-T and 100Base-X TransceiverCIRRUS LOGIC ADVANCED PRODUCT DATABOOKCDB8952 BILL OF MATERIALSRef. Des. Description

Página 4 - LED Indicators

Página 5

2 DS206DB2CDB8952Crystal LAN™ 10Base-T and 100Base-X TransceiverCIRRUS LOGIC ADVANCED PRODUCT DATABOOKINTRODUCTIONThis manual provides information spe

Página 6 - 6 DS206DB2

DS206DB2 3CDB8952Crystal LAN™ 10Base-T and 100Base-X TransceiverCIRRUS LOGIC ADVANCED PRODUCT DATABOOKNOTE: Physical address 00000 is a special broadc

Página 7 - SCHEMATICS

4 DS206DB2CDB8952Crystal LAN™ 10Base-T and 100Base-X TransceiverCIRRUS LOGIC ADVANCED PRODUCT DATABOOKNOTE: When TX_CLK is an input, a shorting cap mu

Página 8 - 8 DS206DB2

DS206DB2 5CDB8952Crystal LAN™ 10Base-T and 100Base-X TransceiverCIRRUS LOGIC ADVANCED PRODUCT DATABOOK3.3V Power Supply OptionOutlined below are sever

Página 9 - Figure 3

6 DS206DB2CDB8952Crystal LAN™ 10Base-T and 100Base-X TransceiverCIRRUS LOGIC ADVANCED PRODUCT DATABOOKThe X-1000 state machine is dependent onTX_CLK r

Página 10 - Figure 4

DS206DB2 7CDB8952Crystal LAN™ 10Base-T and 100Base-X TransceiverCIRRUS LOGIC ADVANCED PRODUCT DATABOOKSCHEMATICSFigure 1.

Página 11 - CDB8952 BILL OF MATERIALS

8 DS206DB2CDB8952Crystal LAN™ 10Base-T and 100Base-X TransceiverCIRRUS LOGIC ADVANCED PRODUCT DATABOOKFigure 2.

Página 12

DS206DB2 9CDB8952Crystal LAN™ 10Base-T and 100Base-X TransceiverCIRRUS LOGIC ADVANCED PRODUCT DATABOOKFigure 3.

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