at25df161 ATMEL Corporation, at25df161 Datasheet - Page 28
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at25df161
Manufacturer Part Number
at25df161
Description
16-megabit 2.7-volt Minimum Spi Serial Flash Memory
Manufacturer
ATMEL Corporation
Datasheet
1.AT25DF161.pdf
(59 pages)
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28
AT25DF161 [Preliminary]
Table 9-4.
Note:
Table 9-5.
WP
0
0
1
1
(Don't Care)
1. “n” represents a sector number
SPRL
WP
X
0
1
0
1
Sector Protection Register States
Hardware and Software Locking
Hardware
Software
Locking
Locked
Locked
SPRL Change Allowed
Can be modified from 0 to 1
Locked
Can be modified from 0 to 1
Can be modified from 1 to 0
Sector Protection Register
n
0
1
(1)
Sector Protection Registers
Unlocked and modifiable using the
Protect and Unprotect Sector commands.
Global Protect and Unprotect can also be
performed.
Locked in current state. Protect and
Unprotect Sector commands will be
ignored. Global Protect and Unprotect
cannot be performed.
Unlocked and modifiable using the
Protect and Unprotect Sector commands.
Global Protect and Unprotect can also be
performed.
Locked in current state. Protect and
Unprotect Sector commands will be
ignored. Global Protect and Unprotect
cannot be performed.
Unprotected
3687B–DFLASH–11/08
Protected
Sector
n
(1)