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N82802 PDF даташит

Спецификация N82802 изготовлена ​​​​«Intel Corporation» и имеет функцию, называемую «Firmware Hub (FWH)».

Детали детали

Номер произв N82802
Описание Firmware Hub (FWH)
Производители Intel Corporation
логотип Intel Corporation логотип 

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N82802 Даташит, Описание, Даташиты
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Intel® 82802AB/82802AC
Firmware Hub (FWH)
Datasheet
November 2000
Document Number: 290658-004









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N82802 Даташит, Описание, Даташиты
Intel® 82802AB/AC Firmware Hub
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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® 82802AB/AC Firmware Hub (FWH) 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 2-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 from:
Intel Corporation
www.intel.com
or call 1-800-548-4725
*Third-party brands and names are the property of their respective owners.
Copyright © Intel Corporation 1999-2001
2 Datasheet









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N82802 Даташит, Описание, Даташиты
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Contents
Intel® 82802AB/AC Firmware Hub
1. Architectural Overview ................................................................................................................. 9
1.1. Interface Overview........................................................................................................... 9
1.1.1.
Intel Firmware Hub Interface....................................................................... 10
1.1.2.
Address/Address-Multiplexed Interface ...................................................... 10
1.2. Nonvolatile Flash Memory Core .................................................................................... 10
2. Pinout Configurations ................................................................................................................. 13
2.1. Pin Descriptions............................................................................................................. 14
3. Interface Operation Description ................................................................................................. 17
3.1. Read
17
3.2. Write
17
3.3. Output Disable............................................................................................................... 17
3.4. Reset 17
3.5. Operational Effects of Hardware Write-Protect Pins TBL# and WP# ........................... 18
4. Functional Descriptions.............................................................................................................. 19
4.1. Read Array Command................................................................................................... 21
4.2. Read Identifier Codes Command .................................................................................. 21
4.3. Read Status Register Command................................................................................... 21
4.4. Clear Status Register Command................................................................................... 21
4.5. Block Erase Command ................................................................................................. 22
4.6. Program Command....................................................................................................... 22
4.7. Block Erase Suspend Command .................................................................................. 23
4.8. Program Suspend Comand........................................................................................... 23
4.9. Register Based Locking, General-Purpose Input, and Random Number Generator
Registers
23
4.9.1.
4.9.2.
4.9.3.
T_BLOCK_LK and T_MINUSxx_LK — Block-Locking Registers ............... 25
General-Purpose Input Register ................................................................. 26
4.9.2.1. GPI_REG — General-Purpose Input Register ............................... 26
Random Number Generator Registers ....................................................... 27
4.9.3.1. RNG Hardware Status Register ..................................................... 27
4.9.3.2. RNG Data Status Register ............................................................. 27
4.9.3.3. RNG Data Register......................................................................... 28
4.10. Using the Random Number Generator ......................................................................... 28
4.11. Detecting and Initializing the RNG Device..................................................................... 28
4.11.1.
4.11.2.
4.11.3.
4.11.4.
Detecting the RNG Device .......................................................................... 28
Initializing the RNG Device.......................................................................... 29
Selecting Appropriate FWH IDs and Densities ........................................... 29
Mapping FWH Devices onto Memory Map ................................................. 30
4.11.5. Paging FWH Devices for Greater Than 4 MB of FWH Memory ................. 30
4.11.6. Programming Multiple FWH Devices .......................................................... 30
4.12. CUI Automation Flowcharts........................................................................................... 31
5. Electrical Specifications ............................................................................................................. 33
5.1. Absolute Maximum Ratings........................................................................................... 33
Datasheet
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