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M25P40 数据表(PDF) 5 Page - STMicroelectronics |
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M25P40 数据表(HTML) 5 Page - STMicroelectronics |
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5 / 53 page ![]() M25P40 List of figures 5/53 List of figures Figure 1. Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Figure 2. SO and VFQFPN connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Figure 3. Bus Master and memory devices on the SPI bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Figure 4. SPI modes supported . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Figure 5. Hold condition activation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Figure 6. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 7. Write Enable (WREN) instruction sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Figure 8. Write Disable (WRDI) instruction sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Figure 9. Read Identification (RDID) instruction sequence and data-out sequence . . . . . . . . . . . . . 21 Figure 10. Read Status Register (RDSR) instruction sequence and data-out sequence . . . . . . . . . . 23 Figure 11. Write Status Register (WRSR) instruction sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Figure 12. Read Data Bytes (READ) instruction sequence and data-out sequence . . . . . . . . . . . . . . 26 Figure 13. Read Data Bytes at Higher Speed (FAST_READ) instruction sequence and data-out sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Figure 14. Page Program (PP) instruction sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Figure 15. Sector Erase (SE) instruction sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Figure 16. Bulk Erase (BE) instruction sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Figure 17. Deep Power-down (DP) instruction sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 Figure 18. Release from Deep Power-down and Read Electronic Signature (RES) instruction sequence and data-out sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Figure 19. Release from Deep Power-down (RES) instruction sequence . . . . . . . . . . . . . . . . . . . . . . 34 Figure 20. Power-up timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Figure 21. AC measurement I/O waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Figure 22. Serial input timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Figure 23. Write Protect setup and hold timing during WRSR when SRWD = 1 . . . . . . . . . . . . . . . . . 45 Figure 24. Hold timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Figure 25. Output timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Figure 26. SO8 narrow – 8 lead plastic Small Outline, 150 mils body width, package outline. . . . . . . 47 Figure 27. VFQFPN8 (MLP8) 8-lead Very thin Fine pitch Quad Flat Package No lead, 6 × 5 mm, package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 |
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