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參數(shù)資料
| 型號： | S29GL512N |
| 廠商： | Spansion Inc. |
| 英文描述： | Replaced by PTB78560C : |
| 中文描述： | MirrorBit閃存系列 |
| 文件頁數(shù)： | 45/110頁 |
| 文件大小： | 2624K |
| 代理商： | S29GL512N |
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May 13, 2004 27631A4
S29GLxxxN MirrorBitTM Flash Family
45
A d v a n c e I n f o r m a t i o n
Table 5. Autoselect Codes, (High Voltage Method)
Legend:
L = Logic Low = V
IL
, H = Logic High = V
IH
, SA = Sector Address, X = Don’t care.
Sector Protection
The device features several levels of sector protection, which can disable both the
program and erase operations in certain sectors or sector groups:
Persistent Sector Protection
A command sector protection method that replaces the old 12 V controlled pro-
tection method.
Passw ord Sector Protection
A highly sophisticated protection method that requires a password before
changes to certain sectors or sector groups are permitted
W P# Hardw are Protection
A write protect pin that can prevent program or erase operations in the outermost
sectors.
The WP# Hardware Protection feature is always available, independent of the
software managed protection method chosen.
Selecting a Sector Protection Mode
All parts default to operate in the Persistent Sector Protection mode. The cus-
tomer must then choose if the Persistent or Password Protection method is most
desirable. There are two one-time programmable non-volatile bits that define
which sector protection method will be used. If the customer decides to continue
Description
CE#
OE#
W E
#
A22
to
A15
A14
to
A10
A9
A8
to
A7
A6
A5
to
A4
A3
to
A2
A1
A0
DQ8 to DQ15
DQ7 to DQ0
BYTE#=
V
IH
BYTE#
= V
IL
Manufacturer ID
:
Spansion Product
L
L
H
X
X
V
ID
X
L
X
L
L
L
00
X
01h
D
S
Cycle 1
L
L
H
X
X
V
ID
X
L
X
L
L
H
22
X
7Eh
Cycle 2
H
H
L
22
X
23h
Cycle 3
H
H
H
22
X
01h
D
S
Cycle 1
L
L
H
X
X
V
ID
X
L
X
L
L
H
22
X
7Eh
Cycle 2
H
H
L
22
X
22h
Cycle 3
H
H
H
22
X
01h
D
S
Cycle 1
L
L
H
X
X
V
ID
X
L
X
L
L
H
22
X
7Eh
Cycle 2
H
H
L
22
X
21h
Cycle 3
H
H
H
22
X
01h
Sector Group
Protection Verification
L
L
H
SA
X
V
ID
X
L
X
L
H
L
X
X
01h (protected),
00h (unprotected)
SecSi Sector Indicator
Bit (DQ7), WP#
protects highest
address sector
L
L
H
X
X
V
ID
X
L
X
L
H
H
X
X
98h (factory locked),
18h (not factory locked)
SecSi Sector Indicator
Bit (DQ7), WP#
protects lowest
address sector
L
L
H
X
X
V
ID
X
L
X
L
H
H
X
X
88h (factory locked),
08h (not factory locked)
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