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M28W640FCB Datasheet(PDF) 4 Page - STMicroelectronics |
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M28W640FCB Datasheet(HTML) 4 Page - STMicroelectronics |
4 / 55 page M28W640FCT, M28W640FCB 4/55 Figure 11.Write AC Waveforms, Chip Enable Controlled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Table 18. Write AC Characteristics, Chip Enable Controlled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Figure 12.Power-Up and Reset AC Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Table 19. Power-Up and Reset AC Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 PACKAGE MECHANICAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Figure 13.TSOP48 - 48 lead Plastic Thin Small Outline, 12 x 20mm, Package Outline . . . . . . . . . 30 Table 20. TSOP48 - 48 lead Plastic Thin Small Outline, 12 x 20mm, Package Mechanical Data . 30 Figure 14.TFBGA48 6.39x10.5mm - 8x6 ball array, 0.75mm pitch, Bottom View Package Outline 31 Table 21. TFBGA48 6.39x10.5mm - 8x6 ball array, 0.75mm pitch, Package Mechanical Data . . . 31 Figure 15.TFBGA48 Daisy Chain - Package Connections (Top view through package) . . . . . . . . 32 Figure 16.TFBGA48 Daisy Chain - PCB Connections proposal (Top view through package) . . . . 32 PART NUMBERING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Table 22. Ordering Information Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Table 23. Daisy Chain Ordering Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 APPENDIX A.BLOCK ADDRESS TABLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Table 24. Top Boot Block Addresses, M28W640FCT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Table 25. Bottom Boot Block Addresses, M28W640FCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 APPENDIX B.COMMON FLASH INTERFACE (CFI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Table 26. Query Structure Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39 Table 27. CFI Query Identification String. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39 Table 28. CFI Query System Interface Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Table 29. Device Geometry Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41 Table 30. Primary Algorithm-Specific Extended Query Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Table 31. Security Code Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 APPENDIX C.FLOWCHARTS AND PSEUDO CODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Figure 17.Program Flowchart and Pseudo Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Figure 18.Double Word Program Flowchart and Pseudo Code . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Figure 19.Quadruple Word Program Flowchart and Pseudo Code . . . . . . . . . . . . . . . . . . . . . . . . . 46 Figure 20.Program Suspend & Resume Flowchart and Pseudo Code . . . . . . . . . . . . . . . . . . . . . . 47 Figure 21.Erase Flowchart and Pseudo Code. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Figure 22.Erase Suspend & Resume Flowchart and Pseudo Code . . . . . . . . . . . . . . . . . . . . . . . . 49 Figure 23.Locking Operations Flowchart and Pseudo Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Figure 24.Protection Register Program Flowchart and Pseudo Code. . . . . . . . . . . . . . . . . . . . . . . 51 APPENDIX D.COMMAND INTERFACE AND PROGRAM/ERASE CONTROLLER STATE. . . . . . . . 52 Table 32. Write State Machine Current/Next, sheet 1 of 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 Table 33. Write State Machine Current/Next, sheet 2 of 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 REVISION HISTORY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 Table 34. Document Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 |
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