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參數(shù)資料
| 型號(hào)： | INTEL82802AB |
| 廠商： | Intel Corp. |
| 英文描述： | Firmware Hub (FWH) |
| 中文描述： | 固件集線器（固件樞紐） |
| 文件頁數(shù)： | 7/53頁 |
| 文件大?。?/td> | 471K |
| 代理商： | INTEL82802AB |
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Intel
82802AB/AC Firmware Hub
R
Datasheet
7
Intel
82802AB/AC Firmware Hub
(FWH)
Product Features
Intel platform compatability
Enables security-enhanced platform
infrastructure; facilitates option to remove ISA.
Firmware hub hardware interface mode
5-Signal communication interface supporting
byte-at-a-time reads and writes
Register-based read and write protection for
each code/data storage block
Hardware write protect pins for the top boot
block and the remaining code/data storage
blocks
5 Additional GPIs for platform design
flexibility
Contains a hardware Random Number
Generator (RNG) for enhancing platform
security
Integrated Command User Interface (CUI) for
requesting access to locking, programming, and
erasing options. The CUI also handles requests
for data residing in status, ID, and block-lock
registers.
Operates with 33-MHz PCI clock and
3.3 V I/O.
Industry-standard packages
(40L TSOP or 32L PLCC)
Two configurable interfaces
Firmware hub interface for platform
operation
Address/Address-Multiplexed (A/A Mux)
interface for programming during
manufacturing
4 or 8 Mbits of flash memory for platform
code/data nonvolatile storage
Symmetrically blocked, 64-KB memory
sections
Available in 8-Mbit (Intel
82802AC) and 4-
Mbit (Intel
82802AB) densities
Automated byte program and block erase via
an integrated Write State Machine (WSM)
Address/Address-Multiplexed (A/A Mux)
interface/mode
11-Pin multiplexed address and 8-pin data
I/O interface
Supports fast on-board or out-of-system
programming for manufacturing
Case temprature operating range
Power supply specifications
Vcc: 3.3 V
±
0.3 V
Vpp: 3.3 V and 12 V for fast programming,
(80 hours maximum)
The Intel
82802 (FWH) firmware hub may contain design defects or errors known as errata that may cause the products to
deviate from published specifications. Current characterized errata are available upon request.
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