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參數(shù)資料
| 型號： | S29CL032J0RQAM013 |
| 廠商： | SPANSION LLC |
| 元件分類： | PROM |
| 英文描述： | 1M X 32 FLASH 3.3V PROM, 48 ns, PQFP80 |
| 封裝： | PLASTIC, MO-108CB-1, QFP-80 |
| 文件頁數(shù)： | 37/79頁 |
| 文件大?。?/td> | 2994K |
| 代理商： | S29CL032J0RQAM013 |
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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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