512Mb, Multiple I/O Serial Flash Memory
Device Protection
Table 5: Protected Area Sizes – Upper Area (Continued)
Note 1 applies to the entire table
Status Register Content
Memory Content
Top/
Bottom
Bit
BP3
0
BP2
1
BP1
1
BP0
0
Protected Area
Unprotected Area
Sectors (0 to 991)
Sectors (0 to 959)
Sectors (0 to 895)
Sectors (0 to 767)
Sectors (0 to 511)
None
0
0
0
0
0
0
0
0
0
0
Sectors (992 to 1023)
Sectors (960 to 1023)
Sectors (896 to 1023)
Sectors (768 to 1023)
Sectors (512 to 1023)
All sectors
0
1
1
1
1
0
0
0
1
0
0
1
1
0
1
0
1
0
1
1
1
1
0
0
All sectors
None
1
1
0
1
All sectors
None
1
1
1
0
All sectors
None
1
1
1
1
All sectors
None
1. See the Status Register for details on the top/bottom bit and the BP 3:0 bits.
Note:
Table 6: Protected Area Sizes – Lower Area
Note 1 applies to the entire table
Status Register Content
Memory Content
Top/
Bottom
Bit
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
BP3
0
BP2
0
BP1
0
BP0
0
Protected Area
Unprotected Area
All sectors
None
0
0
0
1
Sector 0
Sectors (1 to 1023)
Sectors (2 to 1023)
Sectors (4 to 1023)
Sectors (8 to 1023)
Sectors (16 to 1023)
Sectors (32 to 1023)
Sectors (64 to 1023)
Sectors (128 to 1023)
Sectors (256 to 1023)
Sectors (512 to 1023)
None
0
0
1
0
Sectors (0 to 1)
Sectors (0 to 3)
Sectors (0 to 7)
Sectors (0 to 15)
Sectors (0 to 31)
Sectors (0 to 63)
Sectors (0 to 127)
Sectors (0 to 255)
Lower half
0
0
1
1
0
1
0
0
0
1
0
1
0
1
1
0
0
1
1
1
1
0
0
0
1
0
0
1
1
0
1
0
1
0
1
1
All sectors
1
1
0
0
All sectors
None
1
1
0
1
All sectors
None
1
1
1
0
All sectors
None
1
1
1
1
All sectors
None
1. See the Status Register for details on the top/bottom bit and the BP 3:0 bits.
Note:
PDF: 09005aef84752721
n25q_512mb_1ce_3V_65nm.pdf - Rev. O 05/13 EN
Micron Technology, Inc. reserves the right to change products or specifications without notice.
14
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