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N25Q128 Datasheet(PDF) 51 Page - Numonyx B.V |
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N25Q128 Datasheet(HTML) 51 Page - Numonyx B.V |
51 / 185 page N25Q128 - 1.8 V Protection modes 51/185 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. 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 0000None All sectors (sectors 0 to 255) 1 0001 Lower 256th (1/2 Mbit, sector 0) Sectors 1 to 255 1 0010 Lower 128th (1 Mbit, 2 sectors: 0 to 1) Sectors 2 to 255 1 0011 Lower 64th (2 Mbit, 4 sectors: 0 to 3) Sectors 4 to 255 1 0100 Lower 32nd (4 Mbit, 8 sectors: 0 to 7) Sectors 8 to 255 1 0101 Lower 16th (8 Mbit, 16 sectors: 0 to 15) Sectors 16 to 255 1 0110 Lower 8th (16 Mbit, 32 sectors: 0 to 31) Sectors 33 to 255 1 0111 Lower quarter (32 Mbit, 64 sectors: 0 to 63) Upper 3 quarters (sectors 64 to 255) 1 1000 Lower half (64 Mbit, 128 sectors: 0 to 127) Upper half (sectors 128 to 255) 1 1001 All sectors (128 Mbit, 256 sectors) None 1 1010 All sectors (128 Mbit, 256 sectors) None 1 1011 All sectors (128 Mbit, 256 sectors) None 1 1100 All sectors (128 Mbit, 256 sectors) None 1 1101 All sectors (128 Mbit, 256 sectors) None 1 1110 All sectors (128 Mbit, 256 sectors) None 1 1111 All sectors (128 Mbit, 256 sectors) None |
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