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參數(shù)資料
| 型號(hào)： | 29PL256N |
| 廠商： | Spansion Inc. |
| 英文描述： | 256/128/128 Mb (16/8/8 M x 16-Bit) CMOS, 3.0 Volt-only Simultaneous Read/Write, Page-Mode Flash Memory |
| 中文描述： | 256/128/128字節(jié)（16/8/8 M中的x 16位），3.0伏的CMOS只同步讀/寫(xiě)，頁(yè)模式閃存 |
| 文件頁(yè)數(shù)： | 68/74頁(yè) |
| 文件大?。?/td> | 1968K |
| 代理商： | 29PL256N |
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68
S29PL-N MirrorBit
Flash Family
S29PL-N_00_A5 June 6, 2007
D a t a
S h e e t
( P r e l i m i n a r y )
Legend
X = Don’t care
RA = Read Address.
RD = Read Data.
PA = Address of the memory location to be programmed. Addresses latch on the falling edge of the WE# or CE# pulse whichever happens later.
PD = Program Data. Data latches on the rising edge of WE# or CE# pulse, whichever occurs first.
SA = Sector Address. PL127/129N = A22 – A15; PL256N = A23 – A15
BA = Bank Address. PL256N = A23 – A21; PL127N = A22 – A20; PL127N = A21 – A20.
WBL = Write Buffer Location. Address must be within the same write buffer page as PA.
WC = Word Count. Number of write buffer locations to load minus 1.
PWD3 – PWD0 = Password Data. PD3 – PD0 present four 16 bit combinations that represent the 64-bit Password
RD(0) = DQ0 protection indicator bit. If protected, DQ0 = 0, if unprotected, DQ0 = 1.
Table 12.2
Sector Protection Commands
Command Sequence
(Notes)
C
Bus Cycles (Notes
1
–
6
)
First
Second
Third
Fourth
Fifth
Sixth
Seventh
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Addr
Data
Lock Register Command Set Definitions
Lock
Register
Lock Register Command Set
Entry (
25
)
3
555
AA
2AA
55
555
40
Lock Register Bits Program (
26
)
2
XX
A0
00
data
Lock Register Bits Read
1
00
data
Lock Register Command Set
Exit (
27
)
2
XX
90
XX
00
Password Protection Command Set Definitions
Password
Password Protection
Command Set Entry (
25
)
3
555
AA
2AA
55
555
60
Password Program
2
XX
A0
00/01
02/03
PWD0/
PWD1/
PWD2/
PWD3
Password Read
4
00
PWD
0
01
PWD1
02
PWD2
03
PWD3
Password Unlock
7
00
25
00
03
00
PWD0
01
PWD1
02
PWD2
03
PWD3
00
29
Password Protection
Command Set Exit (
27
)
2
XX
90
XX
00
Non-Volatile Sector Protection Command Set Definitions
PPB
Non-Volatile Sector Protection
Command Set Entry (
25
)
3
555
AA
2AA
55
[BA]555
C0
PPB Program
2
XX
A0
[BA]SA
00
All PPB Erase (
22
)
2
XX
80
00
30
PPB Status Read
1
[BA]SA
RD(0)
Non-Volatile Sector Protection
Command Set Exit (
27
)
2
XX
90
XX
00
Global Non-Volatile Sector Protection Freeze Command Set Definitions
PPB Lock
Bit
Global Volatile Sector Protection
Freeze
Command Set Entry (
25
)
3
555
AA
2AA
55
555
50
PPB Lock Bit Set
2
XX
A0
XX
00
PPB Lock Bit Status Read
1
BA
RD(0)
Global Volatile Sector Protection
Freeze
Command Set Exit (
27
)
2
XX
90
XX
00
Volatile Sector Protection Command Set Definitions
DYB
Volatile Sector Protection
Command Set Entry (
25
)
3
555
AA
2AA
55
[BA]555
E0
DYB Set
2
XX
A0
[BA]SA
00
DYB Clear
2
XX
A0
[BA]SA
01
DYB Status Read
1
[BA]SA
RD(0)
Volatile Sector Protection
Command Set Exit (
27
)
2
XX
90
XX
00
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