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Designing SERDES Applications-- 82545/82546, 82571/82572 & 631xESB/632xESB

Application Note--AN498 August 2006 Legal Lines and Disclaimers INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH INTEL® PRODUCTS. NO LICENSE, EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, TO ANY INTELLECTUAL PROPERTY RIGHTS IS GRANTED BY THIS DOCUMENT. EXCEPT AS PROVIDED IN INTEL'S TERMS AND CONDITIONS OF SALE FOR SUCH PRODUCTS, INTEL ASSUMES NO LIABILITY WHATSOEVER, AND INTEL DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY, RELATING TO SALE AND/OR USE OF INTEL PRODUCTS INCLUDING LIABILITY OR WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. Intel products are not intended for use in medical, life saving, life sustaining, critical control or safety systems, or in nuclear facility applications. Intel may make changes to specifications and product descriptions at any time, without notice. Intel Corporation may have patents or pending patent applications, trademarks, copyrights, or other intellectual property rights that relate to the presented subject matter. The furnishing of documents and other materials and information does not provide any license, express or implied, by estoppel or otherwise, to any such patents, trademarks, copyrights, or other intellectual property rights. Designers must not rely on the absence or characteristics of any features or instructions marked “reserved” or “undefined.” Intel reserves these for future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them. The products described in this document may contain design defects or errors known as errata which may cause the product to deviate from published specifications. Current characterized errata are available on request. Contact your local Intel sales office or your distributor to obtain the latest specifications and before placing your product order. Copies of documents which have an order number and are referenced in this document, or other Intel literature may be obtained by calling 1-800-548-4725 or by visiting Intel's website at http://www.intel.com. Intel and Intel logo are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. *Other names and brands may be claimed as the property of others. Copyright © 2007, Intel Corporation. All Rights Reserved. AN498 2 August 2006 Designing SERDES Applications—82545/82546, 82571/82572 & 631xESB/632xESB Contents 1.0 2.0 3.0 4.0 5.0 6.0 7.0 Introduction ..............................................................................................................5 1.1 Scope................................................................................................................5 Basic Circuit Design...................................................................................................7 2.1 Design and Layout Considerations .........................................................................9 2.1.1 Board Layout Recommendations.................................................................9 2.1.2 Board Layout Recommendations for Software Compatibility ...........................9 2.1.3 Impedance Matching............................................................................... 10 2.1.4 Gigabit Ethernet Controller Dependencies .................................................. 10 SERDES Specifications ............................................................................................. 13 3.1 Transmit and Receive Specifications..................................................................... 13 3.2 Device ID Specifications ..................................................................................... 13 Testing for PICMG 3.1 Compliance........................................................................... 15 4.1 PICMG Test Setup and Specifications ................................................................... 15 Component/Material Selection ................................................................................ 21 References .............................................................................................................. 21 Reference Schematics ............................................................................................. 23 August 2006 AN498 3 82545/82546, 82571/82572 & 631xESB/632xESB—Designing SERDES Applications Revision History Date August 2006 Revision 1.0 Description Initial release AN498 4 August 2006 Designing SERDES Applications—82545/82546, 82571/82572 & 631xESB/632xESB 1.0 1.1 Introduction The goal of this document is to enable customers to construct a board layout design using the Serializer-Deserializer (SERDES) interface on Intel Gigabit Read the full Designing SERDES Applications-- 82545/82546, 82571/82572 & 631xESB/632xESB.

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