参数资料
型号: S29CL016J0MFAI113
厂商: SPANSION LLC
元件分类: PROM
英文描述: 512K X 32 FLASH 3.3V PROM, 54 ns, PBGA80
封装: 13 X 11 MM, 1 MM PITCH, FORTIFIED, BGA-80
文件页数: 38/78页
文件大小: 1825K
代理商: S29CL016J0MFAI113
September 27, 2006 S29CD-J_CL-J_00_B1
S29CD-J & S29CL-J Flash Family
41
Pr el im i n a r y
9
Advanced Sector Protection/Unprotection
The Advanced Sector Protection/Unprotection feature disables or enables programming or erase
operations in any or all sectors and can be implemented through software and/or hardware
methods, which are independent of each other. This section describes the various methods of
protecting data stored in the memory array. An overview of these methods in shown in Figure
Figure 9.1 Advanced Sector Protection/Unprotection
Hardware Methods
Software Methods
WP# = VIL
(Two outermost sectors
locked in large bank)
PPB Lock Bit
1,2,3
64-bit Password
(One Time Protect)
1 = PPBs Unlocked
0 = PPBs Locked
Memory Array
Sector 0
Sector 1
Sector 2
Sector N-2
Sector N-1
Sector N
3
PPB 0
PPB 1
PPB 2
PPB N-2
PPB N-1
PPB N
Persistent
Protection Bit
(PPB)
4,5
DYB 0
DYB 1
DYB 2
DYB N-2
DYB N-1
DYB N
Dynamic
Protection Bit
(DYB)
6,7,8
5. Protect effective only if PPB Lock Bit
is unlocked and corresponding PPB
is “0” (unprotected).
6. Volatile Bits.
4. PPBs programmed individually,
but cleared collectively
1. Bit is volatile, and defaults to “1” on
reset.
2. Programming to “0” locks all PPBs to
their current state.
3. Once programmed to “0”, requires
hardware reset to unlock.
3. N = Highest Address Sector.
Password Method
(DQ2)
Persistent Method
(DQ1)
相关PDF资料
PDF描述
S29CL016J0PQFI102 512K X 32 FLASH 3.3V PROM, 54 ns, PQFP80
S29CL016J0MFAM100 512K X 32 FLASH 3.3V PROM, 54 ns, PBGA80
S29CL016J0PFFM102 512K X 32 FLASH 3.3V PROM, 54 ns, PBGA80
S29CL016J1JFFM112 512K X 32 FLASH 3.3V PROM, 54 ns, PBGA80
S29CD032J1JFAN110 1M X 32 FLASH 2.7V PROM, 54 ns, PBGA80
相关代理商/技术参数
参数描述
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S29CL032J0PQFM010 制造商:Spansion 功能描述: 制造商:Spansion 功能描述:32MBIT FLASH - Tape and Reel