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AT25QL641 Datenblatt(PDF) 13 Page - Dialog Semiconductor |
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AT25QL641 Datenblatt(HTML) 13 Page - Dialog Semiconductor |
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13 / 77 page ![]() 12 AT25QL641 DS-25QL641–130E–10/2018 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) Address Range Density Portion of Memory X X 0 0 0 NONE NONE NONE NONE 0 0 0 0 1 126 and 127 7E0000h - 7FFFFFh 128 KB Upper 1/64 0 0 0 1 0 124 thru 127 7C0000h - 7FFFFFh 256 KB Upper 1/32 0 0 0 1 1 120 thru 127 780000h - 7FFFFFh 512 KB Upper 1/16 0 0 1 0 0 112 thru 127 700000h - 7FFFFFh 1 MB Upper 1/8 0 0 1 0 1 96 thru 127 600000h - 7FFFFFh 2 MB Upper 1/4 0 0 1 1 0 64 thru 127 400000h - 7FFFFFh 4 MB Upper 1/2 0 1 0 0 1 0 and 1 000000h - 01FFFFh 128 KB Lower 1/64 0 1 0 1 0 0 thru 3 000000h - 03FFFFh 256 KB Lower 1/32 0 1 0 1 1 0 thru 7 000000h - 07FFFFh 512 KB Lower 1/16 0 1 1 0 0 0 thru 15 000000h - 0FFFFFh 1 MB Lower 1/8 0 1 1 0 1 0 thru 31 000000h - 1FFFFFh 2 MB Lower 1/4 0 1 1 1 0 0 thru 63 000000h - 3FFFFFh 4 MB Lower 1/2 X X 1 1 1 0 thru 127 000000h - 7FFFFFh 8 MB ALL 1 0 0 0 1 127 7FF000h - 7FFFFFh 4 KB U – 1/2048 (Note 4) 1 0 0 1 0 127 7FE000h - 7FFFFFh 8 KB U – 1/1024 1 0 0 1 1 127 7FC000h - 7FFFFFh 16 KB U – 1/512 1 0 1 0 X 127 7F8000h - 7FFFFFh 32 KB U – 1/256 1 1 0 0 1 0 000000h - 000FFFh 4 KB L – 1/2048 1 1 0 1 0 0 000000h - 001FFFh 8 KB L – 1/1024 1 1 0 1 1 0 000000h - 003FFFh 16 KB L – 1/512 1 1 1 0 X 0 000000h - 007FFFh 32 KB L – 1/256 |
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