N25Q128 Datasheet, PDF (51/185 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

N25Q128 - 1.8 V
Protection modes
Table 11. Protected area sizes (TB bit = 1)
Status Register Content
Memory Content
TB bit BP3 Bit PB2 Bit BP1 Bit BP0 Bit
Protected Area
Unprotected Area
1
0
0
0
0
None
All sectors (sectors 0 to 255)
Lower 256th
1
0
0
0
1
(1/2 Mbit, sector 0)
Sectors 1 to 255
Lower 128th
1
0
0
1
0
(1 Mbit, 2 sectors: 0 to 1)
Sectors 2 to 255
Lower 64th
1
0
0
1
1
(2 Mbit, 4 sectors: 0 to 3)
Sectors 4 to 255
Lower 32nd
1
0
1
0
0
(4 Mbit, 8 sectors: 0 to 7)
Sectors 8 to 255
Lower 16th
1
0
1
0
1
Sectors 16 to 255
(8 Mbit, 16 sectors: 0 to 15)
Lower 8th
1
0
1
1
0
Sectors 33 to 255
(16 Mbit, 32 sectors: 0 to 31)
1
0
1
1
1
Lower quarter
(32 Mbit, 64 sectors: 0 to 63)
Upper 3 quarters (sectors 64 to
255)
Lower half
1
1
0
0
0
Upper half (sectors 128 to 255)
(64 Mbit, 128 sectors: 0 to 127)
All sectors
1
1
0
0
1
(128 Mbit, 256 sectors)
None
All sectors
1
1
0
1
0
(128 Mbit, 256 sectors)
None
All sectors
1
1
0
1
1
(128 Mbit, 256 sectors)
None
All sectors
1
1
1
0
0
(128 Mbit, 256 sectors)
None
All sectors
1
1
1
0
1
(128 Mbit, 256 sectors)
None
All sectors
1
1
1
1
0
(128 Mbit, 256 sectors)
None
All sectors
1
1
1
1
1
(128 Mbit, 256 sectors)
None
The N25Q128 is available in the following architecture versions:
„ Bottom version, 64 KB uniform sectors plus 8 bottom boot sectors (each with 16
subsectors),
„ Top version, 64 KB uniform sectors plus 8 top boot sectors (each with 16 subsectors)
„ Uniform version, 64 KB uniform sectors without any boot sectors and subsectors.
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