N25Q256A11ESF40F Datasheet, PDF (15/87 Pages) Micron Technology – Micron Serial NOR Flash Memory

1.8V, 256Mb: 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
Top/
Bottom
Bit
BP3
BP2
BP1
0
0
1
0
0
0
1
1
0
0
1
1
0
1
0
0
0
1
0
0
0
1
0
1
0
1
0
1
0
1
1
0
0
1
1
0
0
1
1
1
0
1
1
1
Memory Content
BP0
Protected Area
Unprotected Area
1
Sectors (497 to 512)
Sectors (0 to 496)
0
Sectors (481 to 512)
Sectors (0 to 480)
1
Sectors (449 to 512)
Sectors (0 to 448)
0
Sectors (385 to 512)
Sectors (0 to 384)
1
Sectors (257 to 512)
Sectors (0 to 256)
0
All sectors
None
1
All sectors
None
0
All sectors
None
1
All sectors
None
0
All sectors
None
1
All sectors
None
Note: 1. See the Status Register for details on the top/bottom bit and the BP 3:0 bits.
Table 6: Protected Area Sizes – Lower Area
Note 1 applies to the entire table
Status Register Content
Top/
Bottom
Bit
BP3
BP2
BP1
BP0
1
0
0
0
0
1
0
0
0
1
1
0
0
1
0
1
0
0
1
1
1
0
1
0
0
1
0
1
0
1
1
0
1
1
0
1
0
1
1
1
1
1
0
0
0
1
1
0
0
1
1
1
0
1
0
1
1
0
1
1
1
1
1
0
0
1
1
1
0
1
1
1
1
1
0
Memory Content
Protected Area
None
Sector 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)
All sectors
All sectors
All sectors
All sectors
All sectors
Unprotected Area
All sectors
Sectors (1 to 511)
Sectors (2 to 511)
Sectors (4 to 511)
Sectors (8 to 511)
Sectors (16 to 511)
Sectors (32 to 511)
Sectors (64 to 511)
Sectors (128 to 511)
Sectors (256 to 511)
None
None
None
None
None
PDF: 09005aef846a804a
n25q_256mb_1_8V_65nm.pdf - Rev. G 2/2012 EN
15
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