Kontron COMe Starterkit Eval T2 Manual de usuario descargar pdf (Pagina 3)

Contents
 Preface..................................................................................................................................8
1.  About This Document........................................................................................................... 8
2.  Intended Audience................................................................................................................ 8
3.  No special word usage.........................................................................................................8
4.  No statements of compliance..............................................................................................8
5.  Correctness Disclaimer........................................................................................................8
6.  Name and logo usage........................................................................................................... 9
7.  Intellectual property............................................................................................................ 10
8.  Acronyms, Abbreviations and Definitions Used...............................................................11
9.  Signal Table Terminology...................................................................................................14
10. Schematic Conventions......................................................................................................15
 COM Express Interfaces....................................................................................................16
1.  COM Express Signals.........................................................................................................16
1.1.  Connector Pin-out Comparison.......................................................................................20
2.  PCIe General Introduction..................................................................................................30
2.1.  COM Express A-B Connector and C-D Connector PCIe Groups....................................30
3.  General Purpose PCIe Lanes.............................................................................................31
3.1.  General Purpose PCIe Signal Definitions.......................................................................31
3.2.  PCI Express Lane Configurations – Per COM Express Spec.........................................32
3.3.  PCI Express Lane Configurations – Module and Chipset Dependencies.......................32
3.4.  Device Up / Device Down and PCIe Rx / Tx Coupling Capacitors..................................33
3.5.  Schematic Examples.......................................................................................................34
3.6.  PCI Express Routing Considerations..............................................................................47
4.  PEG (PCI Express Graphics)..............................................................................................48
4.1.  Signal Definitions.............................................................................................................48
4.2.  PEG Configuration...........................................................................................................49
4.3.  Reference Schematics.....................................................................................................52
4.4.  Routing Considerations...................................................................................................53
5.  Digital Display Interfaces....................................................................................................55
5.1.  DisplayPort / HDMI / DVI ................................................................................................55
5.2.  SDVO...............................................................................................................................61
6.  Mobile PCI Express Module (MXM)....................................................................................66
6.1.  Signal Definitions.............................................................................................................66
6.2.  Reference Schematics.....................................................................................................68
6.3.  Routing Considerations...................................................................................................69
7.  LAN....................................................................................................................................... 70
7.1.  Signal Definitions.............................................................................................................70
7.2.  Reference Schematics.....................................................................................................73
7.3.  Routing Considerations...................................................................................................75
8.  USB Ports............................................................................................................................ 76
8.1.  Signal Definitions.............................................................................................................76
8.2.  Reference Schematics.....................................................................................................77
8.3.  Avoiding Back-driving Problems......................................................................................80
PICMG
®
 COM Express
®
 Carrier Board Design Guide Rev. 2.0 / December 6, 2013
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Kontron COMe Starterkit Eval T2 Manual de usuario Pagina 3

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