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AT25SL641 Datasheet(PDF) 13 Page - Dialog Semiconductor |
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AT25SL641 Datasheet(HTML) 13 Page - Dialog Semiconductor |
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13 / 76 page ![]() 12 AT25SL641 DS-25SL641–113F–12/2018 Note: 1. X = Don’t care 2. L = Lower; U = Upper 3. If any Erase or Program instruction specifies a memory region that contains protected data portion, this instruction will be ignored. 4. Note 3 does not apply to this Status Register Bit setting. See Errata 1 in Appendix A for details. Table 6-4. Status Register Memory Protection (CMP = 0) Status Register Bits Memory Protection SEC TB BP2 BP1 BP0 Sector(s) Addresses Density Portion X X 0 0 0 NONE NONE NONE NONE 0 0 0 0 1 126 and 127 7E0000h - 7FFFFFh 128KB Upper 1/64 0 0 0 1 0 124 - 127 7C0000h - 7FFFFFh 256KB Upper 1/32 0 0 0 1 1 120 - 127 780000h - 7FFFFFh 512KB Upper 1/16 0 0 1 0 0 112 - 127 700000h - 7FFFFFh 1MB Upper 1/8 0 0 1 0 1 96 - 127 600000h - 7FFFFFh 2MB Upper 1/4 0 0 1 1 0 64 - 127 400000h - 7FFFFFh 4MB Upper 1/2 0 1 0 0 1 0 and1 000000h - 01FFFFh 128KB Lower 1/64 0 1 0 1 0 0 - 3 000000h - 03FFFFh 256KB Lower 1/32 0 1 0 1 1 0 - 7 000000h - 07FFFFh 512KB Lower 1/16 0 1 1 0 0 0 - 15 000000h - 0FFFFFh 1MB Lower 1/8 0 1 1 0 1 0 - 31 000000h - 1FFFFFh 2MB Lower 1/4 0 1 1 1 0 0 - 63 000000h - 3FFFFFh 4MB Lower 1/2 X X 1 1 1 0 - 127 000000h - 7FFFFFh 8MB ALL 1 0 0 0 1 127 7FF000h - 7FFFFFh 4KB U – 1/2048 1 0 0 1 0 127 7FE000h - 7FFFFFh 8KB U – 1/1024 1 0 0 1 1 127 7FC000h - 7FFFFFh 16KB U – 1/512 1 0 1 0 X 127 7F8000h - 7FFFFFh 32KB U – 1/256 1 1 0 0 1 0 000000h - 000FFFh 4KB L – 1/2048 1 1 0 1 0 0 000000h - 001FFFh 8KB L – 1/1024 1 1 0 1 1 0 000000h - 003FFFh 16KB L – 1/512 1 1 1 0 X 0 000000h - 007FFFh 32KB L – 1/256 |
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