数据搜索系统,热门电子元器件搜索
  Chinese▼

Delete All
ON OFF
ALLDATASHEETCN.COM

X  

预览 PDF Download HTML

82845G Datasheet(数据表) 3 Page - Intel Corporation

部件型号  82845G
说明  Intel 82845G/82845GL/82845GV Graphics and Memory Controller Hub (GMCH)
下载  193 Pages
Scroll/Zoom Zoom In 100% Zoom Out
制造商  INTEL [Intel Corporation]
网页  http://www.intel.com
标志 

82845G Datasheet(HTML) 3 Page - Intel Corporation

 
Zoom Inzoom in Zoom Outzoom out
 3 page
background image
Intel® 82845G/82845GL/82845GV GMCH
Datasheet
3
Contents
1
Introduction...........................................................................................................13
1.1
Terminology ...................................................................................................13
1.2
Related Documents .......................................................................................14
1.3
Intel® 845G Chipset System Overview ..........................................................15
1.4
Intel® 82845G GMCH Overview....................................................................17
1.4.1
Host Interface....................................................................................17
1.4.2
System Memory Interface .................................................................17
1.4.3
Hub Interface ....................................................................................17
1.4.4
Multiplexed AGP and Intel® DVO Port Interface ...............................18
1.4.5
Graphics Overview............................................................................18
1.4.6
Display Interfaces .............................................................................19
2
Signal Description ..............................................................................................21
2.1
Host Interface Signals....................................................................................23
2.2
Memory Interface ...........................................................................................25
2.2.1
DDR SDRAM Interface .....................................................................25
2.2.2
SDR SDRAM Interface .....................................................................26
2.3
Hub Interface .................................................................................................28
2.4
AGP Interface Signals....................................................................................29
2.4.1
AGP Addressing Signals...................................................................29
2.4.2
AGP Flow Control Signals ................................................................29
2.4.3
AGP Status Signals ..........................................................................30
2.4.4
AGP Strobes .....................................................................................30
2.4.5
PCI Signals–AGP Semantics............................................................31
2.4.6
PCI Pins during PCI Transactions on AGP Interface........................32
2.5
Multiplexed Intel® DVO Device Signal Interfaces ..........................................32
2.5.1
Intel® DVO Signal Name to AGP Signal Name Pin Mapping............34
2.6
Analog Display ...............................................................................................35
2.7
Clocks, Reset, and Miscellaneous Signals ....................................................36
2.8
RCOMP, VREF, VSWING Signals.................................................................36
2.9
Power and Ground Signals ............................................................................37
2.10
Functional Straps ...........................................................................................38
2.11
GMCH Sequencing Requirements.................................................................38
2.12
Reset States ..................................................................................................39
2.12.1 Full and Warm Reset States .............................................................39
3
Register Description..........................................................................................41
3.1
Register Terminology.....................................................................................41
3.2
Platform Configuration ...................................................................................42
3.3
Routing Configuration Accesses....................................................................43
3.3.1
Standard PCI Bus Configuration Mechanism ...................................44
3.3.2
PCI Bus #0 Configuration Mechanism ..............................................44
3.3.3
Primary PCI and Downstream Configuration Mechanism.................44
3.3.4
AGP/PCI_B Bus Configuration Mechanism ......................................44
3.4
I/O Mapped Registers ....................................................................................46
3.4.1
CONFIG_ADDRESS—Configuration Address Register ...................46
3.4.2
CONFIG_DATA—Configuration Data Register ................................47
3.5
Intel® GMCH Internal Device Registers.........................................................48




HTML 页

1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36  37  38  39  40  41  42  43  44  45  46  47  48  49  50  51  52  53  54  55  56  57  58  59  60  61  62  63  64  65  66  67  68  69  70  71  72  73  74  75  76  77  78  79  80  81  82  83  84  85  86  87  88  89  90  91  92  93  94  95  96  97  98  99  100   ...More


数据表 下载




链接网址


Privacy Policy
ALLDATASHEETCN.COM
ALLDATASHEET是否为您带来帮助?  [ DONATE ]  

关于 Alldatasheet    |   广告服务   |   联系我们   |   隐私政策   |   书签   |   链接交换   |   制造商名单
All Rights Reserved© Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  , Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp  |   Russian : Alldatasheetru.com
Korean : Alldatasheet.co.kr   |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com  |   Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl