Table Of Contents - Emerson COM Express Carrier Design Manual

Table of Contents

1 About this Document ..........................................13
1.1 Introduction ..................................................................................13
1.2 Intended Audience ........................................................................13
1.3 Acronyms and Abbreviations .........................................................13
2 Carrier Board Connector ......................................16
2.1 Connectors Description .................................................................16
2.2 Connectors Land Pattern and Alignment ........................................16
3 PCI Express Lanes 0-5 ..........................................18
3.1 Introduction ..................................................................................18
3.2 COM Express PCIe Signals Definition ..............................................18
3.3 PCIE Feature Support .....................................................................20
3.3.1 Polarity Inversion.........................................................................................................20
3.3.2 Lane Reversal ..............................................................................................................20
3.4 PCIE Schematic Example ................................................................20
3.4.1 PCIE Reference Clock ..................................................................................................20
3.4.2 PCIE Signals AC Couple ................................................................................................22
3.4.3 X1 Slot Example ..........................................................................................................23
3.4.4 x4 Slot.........................................................................................................................24
3.4.5 Express Card Example..................................................................................................24
3.4.6 PCI Express Mini Card ..................................................................................................26
3.5 PCI Express Signals-Routing Consideration....................................27
4 PCIe Graphics (PCIe 16-31) and SDVO ..................29
COM Express Carrier Type 2
Design Guide
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