PLX Technology PEX 8632-AA Quick Start Manual

Hardware Design Guide Version 1.1 October, 2007 Website: www.plxtech.com Support: www.plxtech.com/support Phone: 800 759-3735 408 774-9060 Fax: 408 774-2169 ...

iv © 2007 PLX Technology, Inc. All Rights Reserved. © 2007 PLX Technology, Inc. All Rights Reserved. PLX Technology, Inc. retains the right to make changes to this product at any time, without notice. Products may have minor variations to this publication, known as errata. PLX assumes no liability ...

© 2007 PLX Technology, Inc. All Rights Reserved. v Contents Preface ........................................................................................................................................................ vii Notice .................................................................... ...

vi © 2007 PLX Technology, Inc. All Rights Reserved. Figures Figure 1. Sample PCI Express Link Block Diagram..................................................................................... 2 Figure 2. Single-Ended versus Differential Voltage....................................................... ...

© 2007 PLX Technology, Inc. All Rights Reserved. vii Preface Notice This document contains PLX Confidential and Proprietary information. The contents of this document may not be copied nor duplicated in any form, in whole or in part, without prior written consent from PLX Technology, Inc. PLX provid ...

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© 2007 PLX Technology, Inc. All Rights Reserved. 1 Introduction This quick start hardware design guide is an overview of PLX Technology’s ExpressLane™ PEX 8632 PCI Express Switch and provides examples of how to connect to the various switch interfaces. 1 Switch Interfaces The PEX 8632 device is ...

PLX’s PEX 8632 is a 32-Lane, 8- or 12-Port PCI Express 2.0 (that is, Gen2)-compliant switch. PCI Express 2.0 supports transfer rates of 5.0 GT/s per Lane. The Physical Media Attachment (PMA) Layer for each Lane is implemented as a SerDes transceiver, which is composed of a transmit path and receive path. The transmit path typ ...

bitstream across the Channel to the Receiver. The minimum differential voltage swing (VTX-DIFF-PP) of the Transmitter is 800 mV at both 2.5 GT/s and 5.0 GT/s. The DC common mode voltage can be anywhere between 0 and 3.6V; hence, AC-coupling cap ...

4 © 2007 PLX Technology, Inc. All Rights Reserved. In addition to supporting the standard de-emphasis levels, the PEX 8632 has a number of programmable registers to control the Transmitter’s characteristics, such as drive level and de-emphasis. ƒ 8-Port mode – The SerDes Transmitter Control reg ...