N25Q128 Datasheet, PDF (50/185 Pages) Numonyx B.V – 128-Mbit, 1.8 V, multiple I/O, 4-Kbyte subsector erase on boot sectors, XiP enabled, serial flash memory with 108 MHz SPI bus interface

Protection modes
N25Q128 - 1.8 V
Table 10. Protected area sizes (TB bit = 0)
Status Register Content
Memory Content
TB bit BP3 Bit PB2 Bit BP1 Bit BP0 Bit
Protected Area
Unprotected Area
0
0
0
0
0
None
All sectors (sectors 0 to 255)
Upper 256th
0
0
0
0
1
(1/2 Mbit, sector 255)
Sectors 0 to 254
Upper 128th
0
0
0
1
0
Sectors 0 to 253
(1 Mbit, 2 sectors: 254 to 255)
Upper 64th
0
0
0
1
1
Sectors 0 to 251
(2 Mbit, 4 sectors: 252 to 255)
Upper 32nd
0
0
1
0
0
Sectors 0 to 247
(4 Mbit, 8 sectors: 248 to 255)
Upper 16th
0
0
1
0
1
Sectors 0 to 239
(8 Mbit, 16 sectors: 240 to 255)
Upper 8th
0
0
1
1
0
Sectors 0 to 223
(16 Mbit, 32 sectors: 224 to 255)
0
0
1
1
1
Upper quarter
Lower 3 quarters (sectors 0 to
(32 Mbit, 64 sectors: 193 to 255) ¹⁹¹⁾
Upper half
0
1
0
0
0
(64 Mbit, 128 sectors: 128 to
Lower half (sectors 0 to 127)
255)
All sectors
0
1
0
0
1
(128 Mbit, 256 sectors)
None
All sectors
0
1
0
1
0
(128 Mbit, 256 sectors)
None
All sectors
0
1
0
1
1
(128 Mbit, 256 sectors)
None
All sectors
0
1
1
0
0
(128 Mbit, 256 sectors)
None
All sectors
0
1
1
0
1
(128 Mbit, 256 sectors)
None
All sectors
0
1
1
1
0
(128 Mbit, 256 sectors)
None
All sectors
0
1
1
1
1
(128 Mbit, 256 sectors)
None
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