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82801DBM の電気的特性と機能

82801DBMのメーカーはIntelです、この部品の機能は「I/O Controller Hub 4 Mobile」です。


製品の詳細 ( Datasheet PDF )

部品番号 82801DBM
部品説明 I/O Controller Hub 4 Mobile
メーカ Intel
ロゴ Intel ロゴ 




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82801DBM Datasheet, 82801DBM PDF,ピン配置, 機能
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Information in this document is provided in connection with Intel® products. No license, express or implied, by estoppel or otherwise, to any intellectual
property rights is granted by this document. Except as provided in Intel's Terms and Conditions of Sale for such products, Intel assumes no liability
whatsoever, and Intel disclaims any express or implied warranty, relating to sale and/or use of Intel products including liability or warranties relating to
fitness for a particular purpose, merchantability, or infringement of any patent, copyright or other intellectual property right. Intel products are not
intended for use in medical, life saving, or life sustaining applications.
Intel may make changes to specifications and product descriptions at any time, without notice.
Designers must not rely on the absence or characteristics of any features or instructions marked "reserved" or "undefined." Intel reserves these for
future definition and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to them.
The Intel® I/O Controller Hub 4 Mobile (ICH4-M) chipset component may contain design defects or errors known as errata which may cause the
product to deviate from published specifications. Current characterized errata are available on request.
Contact your local Intel sales office or your distributor to obtain the latest specifications and before placing your product order.
I2C is a two-wire communications bus/protocol developed by Philips. SMBus is a subset of the I2C bus/protocol and was developed by Intel.
Implementations of the I2C bus/protocol may require licenses from various entities, including Philips Electronics N.V. and North American Philips
Corporation.
Alert on LAN is a result of the Intel-IBM Advanced Manageability Alliance and a trademark of IBM.
Copies of documents which have an ordering number and are referenced in this document, or other Intel literature may be obtained by calling 1-800-
548-4725 or by visiting Intel's website at http://www.intel.com.
Intel, Intel SpeedStep, and the Intel logo are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other
countries.
*Other names and brands may be claimed as the property of others.
Copyright © 2002, Intel Corporation
2 Intel® 82801DBM ICH4-M Datasheet
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82801DBM 電子部品, 半導体
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Contents
1 Introduction...........................................................................................................33
1.1 About This Datasheet .................................................................................... 33
1.2 Overview ........................................................................................................ 36
2 Signal Description ..............................................................................................43
2.1 Hub Interface to Host Controller .................................................................... 45
2.2 Link to LAN Connect ...................................................................................... 45
2.3 EEPROM Interface ........................................................................................ 46
2.4 Firmware Hub Interface ................................................................................. 46
2.5 PCI Interface .................................................................................................. 46
2.6 IDE Interface .................................................................................................. 49
2.7 LPC Interface ................................................................................................. 50
2.8 Interrupt Interface........................................................................................... 50
2.9 USB Interface................................................................................................. 51
2.10 Power Management Interface........................................................................ 52
2.11 Processor Interface........................................................................................ 54
2.12 SMBus Interface ............................................................................................ 55
2.13 System Management Interface ...................................................................... 55
2.14 Real Time Clock Interface.............................................................................. 56
2.15 Other Clocks .................................................................................................. 56
www.DataSheet4U.com2.16 Miscellaneous Signals ...................................................................................56
2.17 AC’97 Link...................................................................................................... 57
2.18 General Purpose I/O ...................................................................................... 58
2.19 Power and Ground......................................................................................... 59
2.20 Pin Straps ...................................................................................................... 60
2.20.1 Functional Straps .............................................................................. 60
2.20.2 External RTC Circuitry ...................................................................... 61
2.20.3 V5REF / Vcc3_3 Sequencing Requirements ....................................61
2.20.4 Test Signals ...................................................................................... 62
2.20.4.1 Test Mode Selection.......................................................... 62
3 Intel® ICH4-M Power Planes and Pin States ............................................63
3.1 Power Planes................................................................................................. 63
3.2 Integrated Pull-Ups and Pull-Downs .............................................................. 64
3.3 IDE Integrated Series Termination Resistors................................................. 64
3.4 Output and I/O Signals Planes and States ....................................................65
3.5 Power Planes for Input Signals...................................................................... 69
4 Intel® ICH4-M System Clock Domains........................................................71
5 Functional Description .....................................................................................73
5.1 Hub Interface to PCI Bridge (D30:F0)............................................................ 73
5.1.1 PCI Bus Interface.............................................................................. 73
5.1.2 PCI-to-PCI Bridge Model .................................................................. 74
5.1.3 IDSEL to Device Number Mapping ................................................... 74
5.1.4 SERR# Functionality......................................................................... 74
5.1.5 Parity Error Detection........................................................................ 76
5.1.6 Standard PCI Bus Configuration Mechanism ................................... 77
Intel® 82801DBM ICH4-M Datasheet
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共有リンク

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部品番号部品説明メーカ
82801DB

I/O Controller Hub 4

Intel
Intel
82801DBM

I/O Controller Hub 4 Mobile

Intel
Intel


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