512Mb, Multiple I/O Serial Flash Memory
READ REGISTER and WRITE REGISTER Operations
Table 19: Lock Register (Continued)
Note 1 applies to entire table
Bit
Name
Settings
Description
0
Sector write lock 0 = Cleared (Default)
1 = Set
Volatile bit: the device always powers-up with this bit cleared, which
means that PROGRAM and ERASE operations in this sector can be
executed and sector content modified.
When this bit is set, PROGRAM and ERASE operations in this sector
will not be executed.
1. Sector lock register bits 1:0 are written to by the WRITE LOCK REGISTER command. The
command will not execute unless the sector lock down bit is cleared.
Note:
PDF: 09005aef84752721
n25q_512mb_1ce_3V_65nm.pdf - Rev. O 05/13 EN
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