M28W640 STMicroelectronics, M28W640 Datasheet - Page 4

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M28W640

Manufacturer Part Number
M28W640
Description
64 Mbit 4Mb x16/ Boot Block 3V Supply Flash Memory
Manufacturer
STMicroelectronics
Datasheet

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M28W640CT, M28W640CB
PART NUMBERING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
REVISION HISTORY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
APPENDIX A. BLOCK ADDRESS TABLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
APPENDIX B. COMMON FLASH INTERFACE (CFI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
APPENDIX C. FLOWCHARTS AND PSEUDO CODES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
APPENDIX D. COMMAND INTERFACE AND PROGRAM/ERASE CONTROLLER STATE . . . . . . . 52
4/54
Figure 13. TSOP48 - 48 lead Plastic Thin Small Outline, 12 x 20mm, Package Outline . . . . . . . . 30
Table 19. TSOP48 - 48 lead Plastic Thin Small Outline, 12 x 20mm, Package Mechanical Data . 30
Figure 14. TFBGA48 - 8 x 6 ball array, 0.75 mm pitch, Bottom View Package Outline . . . . . . . . . 31
Table 20. TFBGA48 - 8 x 6 ball array, 0.75 mm 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
Table 21. Ordering Information Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Table 22. Daisy Chain Ordering Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Table 23. Document Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Table 24. Top Boot Block Addresses, M28W640CT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Table 25. Bottom Boot Block Addresses, M28W640CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
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
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
Table 32. Write State Machine Current/Next, sheet 1 of 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Table 33. Write State Machine Current/Next, sheet 2 of 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

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