參數(shù)資料
型號: S29CL032J0JFFM020
廠商: SPANSION LLC
元件分類: PROM
英文描述: 1M X 32 FLASH 3.3V PROM, 54 ns, PBGA80
封裝: 13 X 11 MM, 1 MM PITCH, LEAD FREE, FORTIFIED, BGA-80
文件頁數(shù): 37/79頁
文件大?。?/td> 2994K
代理商: S29CL032J0JFFM020
42
S29CD-J & S29CL-J Flash Family
S29CD-J_CL-J_00_B3 March 30, 2009
Da ta
Sh e e t
Figure 9.1 Advanced Sector Protection/Unprotection
Hardware MethodsSoftware Methods
WP# = VIL
(Two outermost sectors
locked in large bank)
PPB Lock Bit
1,2,3
64-bit Password
(One Time Protect)
1 = PPBs Locked
0 = PPBs Unlocked
Memory Array
Sector Group 0
Sector Group 1
Sector Group 2
Sector Group N-2
Sector Group N-1
Sector Group N
4
PPB 0
PPB 1
PPB 2
PPB N-2
PPB N-1
PPB N
Persistent
Protection Bit
(PPB)
5,6
DYB 0
DYB 1
DYB 2
DYB N-2
DYB N-1
DYB N
Dynamic
Protection Bit
(DYB)
7,8,9
7. Protect effective only if PPB Lock Bit is
unlocked and corresponding PPB is “0”
(unprotected).
8. Volatile Bits.
9. 0 = Sector Group Unprotected;
1 = Sector Group Protected
5. PPBs programmed individually,
but cleared collectively.
6. 0 = Sector Group Unprotected;
1 = Sector Group Protected
1. Bit is volatile, and defaults to “0” on reset.
2. Programming to “1” locks all PPBs to their
current state.
3. Once programmed to “1”, requires hardware
reset to unlock.
4. N = 23 for S29CD016J/CL016J,
31 for S29CD032J/CL032J.
Password Method
Persistent Method
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