參數(shù)資料
型號(hào)： S29PL127J70BFI000
廠(chǎng)商： SPANSION LLC
元件分類(lèi)： PROM
英文描述： 8M X 16 FLASH 3V PROM, 70 ns, PBGA80
封裝： 11 X 8 MM, LEAD FREE, FBGA-80
文件頁(yè)數(shù)： 41/97頁(yè)
文件大?。?/td> 3042K
代理商： S29PL127J70BFI000
46
S29PL-J
S29PL-J_00_A10 September 7, 2007
Data
Sheet
(Adv an ce
Inf o r m a t io n)
The device is shipped with all sectors unprotected. Optional Spansion programming services enable
programming and protecting sectors at the factory prior to shipping the device. Contact your local sales office
for details.
It is possible to determine whether a sector is protected or unprotected. See the Table 10.9, Secured Silicon
11. Sector Protection
The PL127J, PL129J, PL064J, and PL032J features several levels of sector protection, which can disable
both the program and erase operations in certain sectors or sector groups:
11.1
Persistent Sector Protection
A command sector protection method that replaces the old 12 V controlled protection method.
11.2
Password Sector Protection
A highly sophisticated protection method that requires a password before changes to certain sectors or sector
groups are permitted
11.3
WP# Hardware Protection
A write protect pin that can prevent program or erase operations in sectors SA1-133, SA1-134, SA2-0 and
SA2-1.
The WP# Hardware Protection feature is always available, independent of the software managed protection
method chosen.
11.4
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 will be used. If the Persistent Sector Protection
method is desired, programming the Persistent Sector Protection Mode Locking Bit permanently sets the
device to the Persistent Sector Protection mode. If the Password Sector Protection method is desired,
programming the Password Mode Locking Bit permanently sets the device to the Password Sector Protection
mode. It is not possible to switch between the two protection modes once a locking bit has been set. One of
the two modes must be selected when the device is first programmed. This prevents a program or virus from
later setting 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. Optional Spansion programming services enable
programming and protecting sectors at the factory prior to shipping the device. Contact your local sales office
for details.
It is possible to determine whether a sector is protected or unprotected. See Autoselect Mode on page 41 for
details.
Table 10.15 Sector Protection Schemes
DYB
PPB
PPB Lock
Sector State
0
Unprotected—PPB and DYB are changeable
0
1
Unprotected—PPB not changeable, DYB is changeable
010
Protected—PPB and DYB are changeable
100
110
011
Protected—PPB not changeable, DYB is changeable
101
111
相關(guān)PDF資料
PDF描述
S29XS064R0PBHW010 4M X 16 FLASH 1.8V PROM, 80 ns, PBGA44
S2C3R-1-12-H 4000 MHz - 12000 MHz RF/MICROWAVE SGL POLE DOUBLE THROW SWITCH, 2 dB INSERTION LOSS
S2C5R-1-12-RC 4000 MHz - 18000 MHz RF/MICROWAVE SGL POLE DOUBLE THROW SWITCH, 2.8 dB INSERTION LOSS
S2H3R-1H 10 MHz - 1000 MHz RF/MICROWAVE SGL POLE DOUBLE THROW SWITCH, 1.2 dB INSERTION LOSS
S2L1R-RC 1000 MHz - 2000 MHz RF/MICROWAVE SGL POLE DOUBLE THROW SWITCH, 0.9 dB INSERTION LOSS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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S29PL127J70TFI130 制造商:Spansion 功能描述:FLASH PARALLEL 3V/3.3V 128MBIT 8MX16 70NS 56TSOP - Trays
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S29PL127J70TFI132 制造商:Spansion 功能描述:FLASH PARALLEL 3V/3.3V 128MBIT 8MX16 70NS 56TSOP - Tape and Reel
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