參數(shù)資料
型號(hào)： S29PL-J60BAW011
廠商： Spansion Inc.
元件分類： DRAM
英文描述： CMOS 3.0 Volt-only, Simultaneous-Read/Write Flash Memory with Enhanced VersatileIO Control
中文描述： CMOS 3V電壓供電，同步讀/寫Flash存儲(chǔ)器并有增強(qiáng)VersatileIO控制
文件頁(yè)數(shù)： 52/96頁(yè)
文件大?。?/td> 827K
代理商： S29PL-J60BAW011
50
S29PL-J
S29PL-J_00_A9 September 22, 2006
D a t a
S h e e t
( A d v a n c e
I n f o r m a t i o n )
13.5
Temporary Sector Unprotect
This feature allows temporary unprotection of previously protected sectors to change data in-system. The
Sector Unprotect mode is activated by setting the RESET# pin to V
ID
. During this mode, formerly protected
sectors can be programmed or erased by selecting the sector addresses. Once V
ID
is removed from the
RESET# pin, all the previously protected sectors are protected again.
Figure 13.2 on page 50
shows the
algorithm, and
Figure 21.1 on page 81
shows the timing diagrams, for this feature. While PPB lock is set, the
device cannot enter the Temporary Sector Unprotection Mode.
Figure 13.2
Temporary Sector Unprotect Operation
Notes:
1. All protected sectors unprotected (If WP#/ACC = V
IL
, upper two and lower two sectors will remain protected).
2. All previously protected sectors are protected once again
13.6
Secured Silicon Sector Flash Memory Region
The Secured Silicon Sector feature provides a Flash memory region that enables permanent part
identification through an Electronic Serial Number (ESN) The 128-word Secured Silicon sector is divided into
64 factory-lockable words that can be programmed and locked by the customer. The Secured Silicon sector
is located at addresses 000000h-00007Fh in both Persistent Protection mode and Password Protection
mode. Indicator bits DQ6 and DQ7 are used to indicate the factory-locked and customer locked status of the
part.
The system accesses the Secured Silicon Sector through a command sequence (see the
Enter/Exit Secured
Silicon Sector Command Sequence
on page 56
). After the system has written the Enter Secured Silicon
Sector command sequence, it may read the Secured Silicon Sector by using the addresses normally
occupied by the boot sectors. This mode of operation continues until the system issues the Exit Secured
Silicon Sector command sequence, or until power is removed from the device. Once the Enter SecSi Sector
Command sequence has been entered, the standard array cannot be accessed until the Exit SecSi Sector
command has been entered or the device has been reset. On power-up, or following a hardware reset, the
device reverts to sending commands to the normal address space.
Note that the ACC function and unlock
bypass modes are not available when the Secured Silicon Sector is enabled.
START
Perform Erase or
Program Operations
RESET# = V
IH
Temporary Sector
Unprotect Completed
(Note 2)
RESET# = V
ID
(Note 1)
相關(guān)PDF資料
PDF描述
S29PL-J60BAW012 CMOS 3.0 Volt-only, Simultaneous-Read/Write Flash Memory with Enhanced VersatileIO Control
S29PL-J60BAW013 CMOS 3.0 Volt-only, Simultaneous-Read/Write Flash Memory with Enhanced VersatileIO Control
S29PL-J60BAW020 CMOS 3.0 Volt-only, Simultaneous-Read/Write Flash Memory with Enhanced VersatileIO Control
S29PL-J60BAW021 CMOS 3.0 Volt-only, Simultaneous-Read/Write Flash Memory with Enhanced VersatileIO Control
S29PL-J60BAW022 CMOS 3.0 Volt-only, Simultaneous-Read/Write Flash Memory with Enhanced VersatileIO Control
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S29PL-J60BAW012 制造商:SPANSION 制造商全稱:SPANSION 功能描述:CMOS 3.0 Volt-only, Simultaneous-Read/Write Flash Memory with Enhanced VersatileIO Control
S29PL-J60BAW013 制造商:SPANSION 制造商全稱:SPANSION 功能描述:CMOS 3.0 Volt-only, Simultaneous-Read/Write Flash Memory with Enhanced VersatileIO Control
S29PL-J60BAW020 制造商:SPANSION 制造商全稱:SPANSION 功能描述:CMOS 3.0 Volt-only, Simultaneous-Read/Write Flash Memory with Enhanced VersatileIO Control
S29PL-J60BAW021 制造商:SPANSION 制造商全稱:SPANSION 功能描述:CMOS 3.0 Volt-only, Simultaneous-Read/Write Flash Memory with Enhanced VersatileIO Control
S29PL-J60BAW022 制造商:SPANSION 制造商全稱:SPANSION 功能描述:CMOS 3.0 Volt-only, Simultaneous-Read/Write Flash Memory with Enhanced VersatileIO Control
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