NQ6311 データシートの表示（PDF） - Unspecified

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NQ6311

Intel® 631xESB/632xESB I/O Controller Hub

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Contents

1 Introduction ............................................................................................................ 37

1.1 About This Document......................................................................................... 37

1.2 Overview ......................................................................................................... 40

1.3 Intel® 631xESB/632xESB I/O Controller Hub SKU Definition ................................... 48

2 Signal Descriptions.................................................................................................. 49

2.1 Enterprise South Bridge Interface (ESI) to Host Controller ...................................... 53

2.2 PCI Express* Interface....................................................................................... 53

2.3 PCI Interface .................................................................................................... 54

2.4 PCI/PCI-X* Bus Interface ................................................................................... 57

2.5 PCI/PCI-X* Bus Interface 64-bit Extension............................................................ 59

2.6 PCI/PCI-X Hot-Plug Interface .............................................................................. 59

2.7 Interrupt Interface ............................................................................................ 63

2.8 Kumeran and SERDES Interface .......................................................................... 64

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

2.10 IDE Interface .................................................................................................... 65

2.11 Firmware Hub Interface...................................................................................... 66

2.13 USB Interface ................................................................................................... 67

2.14 AC ‘97 Link....................................................................................................... 68

2.15 Processor Interface............................................................................................ 68

2.16 SMBus Interface................................................................................................ 70

2.17 Power Management Interface.............................................................................. 70

2.18 System Management Interface............................................................................ 71

2.19 Flash and EEPROM Interface ............................................................................... 72

2.20 Expansion Bus Interface ..................................................................................... 72

2.21 RS-232 Interface............................................................................................... 73

2.22 Real Time Clock Interface ................................................................................... 73

2.23 JTAG Interface .................................................................................................. 74

2.24 Other Clocks..................................................................................................... 74

2.25 General Purpose I/O .......................................................................................... 74

2.26 Miscellaneous Signals ........................................................................................ 76

2.27 Power and Ground............................................................................................. 77

2.28 Pin Straps ........................................................................................................ 79

2.29 Intel® 631xESB/632xESB I/O Controller Hub Revision and Device ID Table ............... 82

3 Intel® 631xESB/632xESB I/O Controller Hub and System Clock Domains ............... 85

4 Intel® 631xESB/632xESB I/O Controller Hub Pin States ......................................... 87

4.1 Integrated Pull-Ups and Pull-Downs ..................................................................... 87

4.2 IDE Integrated Series Termination Resistors ......................................................... 91

4.3 Output and I/O Signals Planes and States............................................................. 91

4.4 Power Planes for Input Signals ............................................................................ 97

5 Functional Description ........................................................................................... 101

5.1 PCI Express* Bridge, Switch, and Endpoints........................................................ 103

5.1.1 PCI Express* Upstream Ports .............................................................. 103

5.1.2 PCI Express* to PCI-X* Bridge (Bm:D0:F3)........................................... 104

5.1.3 PCI Express* Downstream Ports (Bp:D0:F0; Bp:D1:F0).......................... 116

5.1.4 I/OxAPIC Devices (Bm:D0:F1). ........................................................... 121

5.1.5 Flow Control ..................................................................................... 124

5.2 PCI Express* Root Ports (D28:F0,F1,F2,F3) ........................................................ 125

5.2.1 Interrupt Generation .......................................................................... 125

5.2.2 Power Management ........................................................................... 126

5.2.3 SERR# Generation............................................................................. 127

Intel® 631xESB/632xESB I/O Controller Hub Datasheet

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