Rainbow Electronics AT25DF041A User Manual
Page 22
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22
3668E–DFLASH–11/2012
AT25DF041A
Table 9-5.
Hardware and Software Locking
WP
SPRL
Locking
SPRL Change Allowed
Sector Protection Registers
0
0
Can be modified from 0 to 1
Unlocked and modifiable using
the Protect and Unprotect Sector
commands. Global Protect and
Unprotect can also be performed.
0
1
Hardware
Locked
Locked
Locked in current state. Protect
and Unprotect Sector commands
will be ignored. Global Protect and
Unprotect cannot be performed.
1
0
Can be modified from 0 to 1
Unlocked and modifiable using the
Protect and Unprotect Sector
commands. Global Protect and
Unprotect can also be performed.
1
1
Software
Locked
Can be modified from 1 to 0
Locked in current state. Protect and
Unprotect Sector commands will be
ignored. Global Protect and Unprotect
cannot be performed.
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