CS8952(2001) Ver la hoja de datos (PDF) - Cirrus Logic

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CS8952
(Rev.:2001)

CrystalLAN™ 100BASE-X and 10BASE-T Transceiver

Cirrus Logic 

CS8952

TABLE OF CONTENTS

SPECIFICATIONS AND CHARACTERISTICS............................................................. 4

ABSOLUTE MAXIMUM RATINGS ....................................................................... 4

RECOMMENDED OPERATING CONDITIONS ................................................... 4

QUARTZ CRYSTAL REQUIREMENTS ............................................................... 4

DC CHARACTERISTICS ..................................................................................... 5

10BASE-T CHARACTERISTICS ......................................................................... 7

100BASE-X CHARACTERISTICS ....................................................................... 8

100BASE-TX MII RECEIVE TIMING - 4B/5B ALIGNED MODES ........................ 9

100BASE-TX MII RECEIVE TIMING - 5B BYPASS ALIGN MODE ................... 10

100BASE-TX MII TRANSMIT TIMING - 4B/5B ALIGN MODES ........................ 11

100BASE-TX MII TRANSMIT TIMING - 5B BYPASS ALIGN MODE ................ 12

10BASE-T MII RECEIVE TIMING ...................................................................... 13

10BASE-T MII TRANSMIT TIMING ................................................................... 14

10BASE-T SERIAL RECEIVE TIMING .............................................................. 15

10BASE-T SERIAL TRANSMIT TIMING ............................................................ 16

AUTO NEGOTIATION / FAST LINK PULSE TIMING ........................................ 17

SERIAL MANAGEMENT INTERFACE TIMING ................................................. 18

INTRODUCTION .......................................................................................................... 19

High Performance Analog ................................................................................... 19

Low Power Consumption .................................................................................... 19

Application Flexibility ........................................................................................... 19

Typical Connection Diagram ............................................................................... 19

FUNCTIONAL DESCRIPTION .................................................................................... 21

Major Operating Modes ....................................................................................... 21

100BASE-X MII Application (TX and FX) ..................................................... 21

Symbol Encoding and Decoding ........................................................... 22

100 Mb/s Loopback ............................................................................... 23

100BASE-X Repeater Application ............................................................... 23

10BASE-T MII Application ........................................................................... 24

Full and Half Duplex operation .............................................................. 24

Collision Detection ................................................................................. 24

Jabber ................................................................................................... 24

Link Pulses ............................................................................................ 24

Receiver Squelch .................................................................................. 25

10BASE-T Loopback ............................................................................. 25

Carrier Detection ................................................................................... 25

Contacting Cirrus Logic Support

For a complete listing of Direct Sales, Distributor, and Sales Representative contacts, visit the Cirrus Logic web site at:

http://www.cirrus.com/corporate/contacts/sales.cfm

Preliminary product information describes products which are in production, but for which full characterization data is not yet available. Advance product infor-

mation describes products which are in development and subject to development changes. Cirrus Logic, Inc. has made best efforts to ensure that the information

contained in this document is accurate and reliable. However, the information is subject to change without notice and is provided “AS IS” without warranty of

any kind (express or implied). Customers are advised to obtain the latest version of relevant information to verify, before placing orders, that information being

relied on is current and complete. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgment, including those

pertaining to warranty, patent infringement, and limitation of liability. No responsibility is assumed by Cirrus Logic, Inc. for the use of this information, including

use of this information as the basis for manufacture or sale of any items, nor for infringements of patents or other rights of third parties. This document is the

property of Cirrus Logic, Inc. and by furnishing this information, Cirrus Logic, Inc. grants no license, express or implied under any patents, mask work rights,

copyrights, trademarks, trade secrets or other intellectual property rights of Cirrus Logic, Inc. Cirrus Logic, Inc., copyright owner of the information contained

herein, gives consent for copies to be made of the information only for use within your organization with respect to Cirrus Logic integrated circuits or other parts

of Cirrus Logic, Inc. The same consent is given for similar information contained on any Cirrus Logic website or disk. This consent does not extend to other

copying such as copying for general distribution, advertising or promotional purposes, or for creating any work for resale. The names of products of Cirrus Logic,

Inc. or other vendors and suppliers appearing in this document may be trademarks or service marks of their respective owners which may be registered in some

jurisdictions. A list of Cirrus Logic, Inc. trademarks and service marks can be found at http://www.cirrus.com.

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CrystalLAN™ 100BASE-X and 10BASE-T Transceiver

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