參數(shù)資料
型號(hào)： S29GL064N11BAIV12
廠商： Spansion Inc.
英文描述： 64 Megabit, 32 Megabit 3.0-Volt only Page Mode Flash Memory Featuring 110 nm MirrorBit Process Technology
中文描述： 64兆，32兆位3.0伏只頁面模式閃存具有110納米MirrorBit工藝技術(shù)
文件頁數(shù)： 30/79頁
文件大?。?/td> 2191K
代理商： S29GL064N11BAIV12
30
S29GL-N MirrorBit
Flash Family
S29GL-N_01_09 November 16, 2007
D a t a
S h e e t
8.9
Sector Protection
The device features several levels of sector protection, which can disable both the program and erase
operations in certain sectors:
8.9.1
Persistent Sector Protection
A command sector protection method that replaces the old 12 V controlled protection method.
8.9.2
Password Sector Protection
A highly sophisticated protection method that requires a password before changes to certain sectors are
permitted
8.9.3
WP# Hardware Protection
A write protect pin that can prevent program or erase operations in the outermost sectors.
The WP# Hardware Protection feature is always available, independent of the software managed protection
method chosen.
8.9.4
Selecting a Sector Protection Mode
All parts default to operate in the Persistent Sector Protection mode. The customer must then choose if the
Persistent or Password Protection method is most desirable. There are two one-time programmable non-
volatile bits that define which sector protection method is used. If the customer decides to continue using the
Persistent Sector Protection method, they must set the
Persistent Sector Protection Mode Locking Bit
.
This permanently sets the part to operate only using Persistent Sector Protection. If the customer decides to
use the password method, they must set the
Password Mode Locking Bit
. This permanently sets the part to
operate only using password sector protection.
It is important to remember that setting either the
Persistent Sector Protection Mode Locking Bit
or the
Password Mode Locking Bit
permanently selects the protection mode. It is not possible to switch between
the two methods once a locking bit is set.
It is important that one mode is explicitly selected when the
device is first programmed, rather than relying on the default mode alone.
This is so that it is not
possible for a system program or virus to later set the Password Mode Locking Bit, which would cause an
unexpected shift from the default Persistent Sector Protection Mode into the Password Protection Mode.
The device is shipped with all sectors unprotected. The factory offers the option of programming and
protecting sectors at the factory prior to shipping the device through the ExpressFlash Service. Contact
your sales representative for details.
It is possible to determine whether a sector is protected or unprotected. See
Autoselect Command Sequence
on page 42
for details.
8.10
Advanced Sector Protection
Advanced Sector Protection features several levels of sector protection, which can disable both the program
and erase operations in certain sectors.
Persistent Sector Protection
is a method that replaces the old 12V controlled protection method.
Password Sector Protection
is a highly sophisticated protection method that requires a password before
changes to certain sectors are permitted.
相關(guān)PDF資料
PDF描述
S29GL064N11BAIV20 64 Megabit, 32 Megabit 3.0-Volt only Page Mode Flash Memory Featuring 110 nm MirrorBit Process Technology
S29GL064N11BAIV22 64 Megabit, 32 Megabit 3.0-Volt only Page Mode Flash Memory Featuring 110 nm MirrorBit Process Technology
S29GL064N11BAIV60 64 Megabit, 32 Megabit 3.0-Volt only Page Mode Flash Memory Featuring 110 nm MirrorBit Process Technology
S29GL064N11BAIV62 64 Megabit, 32 Megabit 3.0-Volt only Page Mode Flash Memory Featuring 110 nm MirrorBit Process Technology
S29GL064N11BFI010 64 Megabit, 32 Megabit 3.0-Volt only Page Mode Flash Memory Featuring 110 nm MirrorBit Process Technology
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S29GL064N11DAIV10 制造商:Spansion 功能描述:64M (4MX16) 3V REG, MIRRORBIT, - Trays
S29GL064N11DFIV10 制造商:Spansion 功能描述:IC,EEPROM,NOR FLASH,4MX16/8MX8,CMOS,BGA,64PIN,PLASTIC - Trays
S29GL064N11DFIV20 制造商:Spansion 功能描述:64M NOR FLASH - Trays
S29GL064N11FFIV10 功能描述:閃存 64Mb 3V 110ns Parallel NOR 閃存 RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲(chǔ)類型:Flash 存儲(chǔ)容量:2 MB 結(jié)構(gòu):256 K x 8 定時(shí)類型: 接口類型:SPI 訪問時(shí)間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel
S29GL064N11FFIV20 制造商:Spansion 功能描述:
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