82801IBICH9 データシートの表示（PDF） - Intel

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82801IBICH9

Intel® I/O Controller Hub 9 (ICH9) Family

Intel 

Contents

1 Introduction ............................................................................................................ 43

1.1 About This Document......................................................................................... 43

1.2 Overview ......................................................................................................... 47

1.2.1 Capability Overview ................................................................................ 49

1.3 Intel® ICH9 Family High-Level Component Differences ........................................... 54

2 Signal Description ................................................................................................... 55

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.8

2.9

2.10

2.11

2.12

2.13

2.14

2.15

2.16

2.17

2.18

2.19

2.20

2.21

2.22

2.23

2.24

Direct Media Interface (DMI) to Host Controller ..................................................... 58

PCI Express* .................................................................................................... 59

LAN Connect Interface ....................................................................................... 59

Gigabit LAN Connect Interface ............................................................................ 60

Firmware Hub Interface...................................................................................... 61

PCI Interface .................................................................................................... 62

Serial ATA Interface........................................................................................... 64

LPC Interface .................................................................................................... 67

Interrupt Interface ............................................................................................ 68

USB Interface ................................................................................................... 69

Power Management Interface.............................................................................. 71

Processor Interface............................................................................................ 74

SMBus Interface................................................................................................ 75

System Management Interface ............................................................................ 76

Real Time Clock Interface ................................................................................... 78

Other Clocks ..................................................................................................... 78

Miscellaneous Signals ........................................................................................ 78

Intel® High Definition Audio Link ......................................................................... 80

Serial Peripheral Interface (SPI) .......................................................................... 81

Controller Link .................................................................................................. 82

Intel® Quiet System Technology (Desktop Only) ................................................... 83

General Purpose I/O Signals ............................................................................... 83

Power and Ground Signals .................................................................................. 86

Pin Straps ........................................................................................................ 88

2.24.1 Functional Straps ................................................................................... 88

2.24.2 External RTC Circuitry ............................................................................. 90

3 Intel® ICH9 Pin States............................................................................................. 91

3.1 Integrated Pull-Ups and Pull-Downs ..................................................................... 91

3.2 Output and I/O Signals Planes and States............................................................. 92

3.3 Power Planes for Input Signals .......................................................................... 101

4 Intel® ICH9 and System Clock Domains................................................................. 107

5 Functional Description ........................................................................................... 109

5.1 DMI-to-PCI Bridge (D30:F0) ............................................................................. 109

5.1.1 PCI Bus Interface ................................................................................. 109

5.1.2 PCI Bridge As an Initiator ...................................................................... 109

5.1.2.1

5.1.2.2

5.1.2.3

5.1.2.4

5.1.2.5

5.1.2.6

5.1.2.7

5.1.2.8

Memory Reads and Writes........................................................ 110

I/O Reads and Writes .............................................................. 110

Configuration Reads and Writes ................................................ 110

Locked Cycles ........................................................................ 110

Target / Master Aborts............................................................. 110

Secondary Master Latency Timer............................................... 110

Dual Address Cycle (DAC) ........................................................ 110

Memory and I/O Decode to PCI................................................. 111

Intel® I/O Controller Hub 9 (ICH9) Family Datasheet

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