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Intel® 41110 Serial to Parallel PCI Bridge Design Guide iii
Contents
Contents
1 About This Document ...................................................................................................................7
1.1 Terminology and Definitions .................................................................................................7
2 Introduction....................................................................................................................................9
2.1 PCI Express Interface Features............................................................................................9
2.2 PCI-X Interface Features ......................................................................................................9
2.3 Power Management............................................................................................................10
2.4 SMBus Interface .................................................................................................................10
2.5 JTAG...................................................................................................................................12
2.6 Related Documents ............................................................................................................12
2.7 Intel® 41110 Serial to Parallel PCI Bridge Applications .....................................................13
3 Package Information ...................................................................................................................15
3.1 Package Specification ........................................................................................................15
4 Power Plane Layout ....................................................................................................................17
4.1 41110 Decoupling Guidelines.............................................................................................17
4.2 Split Voltage Planes............................................................................................................19
5 41110 Reset and Power Timing Considerations.......................................................................21
5.1 A_RST# and PERST# Timing Requirements .....................................................................21
5.2 VCC15 and VCC33 Voltage Requirements ........................................................................21
6 General Routing Guidelines .......................................................................................................23
6.1 General Routing Guidelines................................................................................................23
6.2 Crosstalk.............................................................................................................................23
6.3 EMI Considerations ............................................................................................................24
6.4 Power Distribution and Decoupling.....................................................................................25
6.5 Trace Impedance................................................................................................................25
7 Board Layout Guidelines ............................................................................................................27
7.1 Adapter Card Topology.......................................................................................................27
8 PCI-X Layout Guidelines.............................................................................................................29
8.1 Interrupts.............................................................................................................................29
8.2 PCI Arbitration ....................................................................................................................30
8.3 PCI General Layout Guidelines ..........................................................................................31
8.4 PCI Clock Layout Guidelines ..............................................................................................32
8.5 PCI-X Topology Layout Guidelines.....................................................................................35
8.6 41110 Layout Analysis........................................................................................................35
9 PCI Express Layout.....................................................................................................................41
9.1 General recommendations .................................................................................................41
9.2 PCI-Express Layout Guidelines..........................................................................................42
9.3 Adapter Card Layout Guidelines.........................................................................................42
10 Circuit Implementations..............................................................................................................45
10.1 41110 Analog Voltage Filters..............................................................................................45