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S71GLXXXNC0 ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 54 Page - SPANSION

๋ถ€ํ’ˆ๋ช… S71GLXXXNC0
์ƒ์„ธ๋‚ด์šฉ  Stacked Multi-chip Product (MCP)
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S71GLXXXNC0 ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 54 Page - SPANSION

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54
S29GLxxxN MirrorBitTM Flash Family
S29GLxxxN_MCP_A1 December 15, 2004
Advan ce
In form ati o n
Table 5. Autoselect Codes, (High Voltage Method)
Legend: L = Logic Low = VIL, H = Logic High = VIH, SA = Sector Address, X = Donโ€™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.
Password Sector Protection
A highly sophisticated protection method that requires a password before
changes to certain sectors or sector groups are permitted
WP# Hardware 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#
WE
#
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
Manufacturer ID:
Spansion Product
LL
H
X
X
VID
X
L
X
L
L
L
00
01h
Cycle 1
LL
H
X
X
VID
XL
X
LL
H
22
7Eh
Cycle 2
H
H
L
22
23h
Cycle 3
H
H
H
22
01h
Cycle 1
LL
H
X
X
VID
XL
X
LL
H
22
7Eh
Cycle 2
H
H
L
22
22h
Cycle 3
H
H
H
22
01h
Cycle 1
LL
H
X
X
VID
XL
X
LL
H
22
7Eh
Cycle 2
H
H
L
22
21h
Cycle 3
H
H
H
22
01h
Sector Group
Protection Verification
LL
H
SA
X
VID
XL
X
L
H
L
X
01h (protected),
00h (unprotected)
Secured Silicon Sector
Indicator Bit (DQ7),
WP# protects highest
address sector
LL
H
X
X
VID
XL
X
L
H
H
X
98h (factory locked),
18h (not factory locked)
Secured Silicon Sector
Indicator Bit (DQ7),
WP# protects lowest
address sector
LL
H
X
X
VID
XL
X
L
H
H
X
88h (factory locked),
08h (not factory locked)


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