M28W640CB80N1T datasheet(4/54 Pages) STMICROELECTRONICS

Part #	M28W640CB80N1T

Description	64 Mbit 4Mb x16, Boot Block 3V Supply Flash Memory

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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M28W640CT, M28W640CB

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Figure 13. TSOP48 - 48 lead Plastic Thin Small Outline, 12 x20mm, 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

PART NUMBERING .. ...... ...... ....... ...... ....... ...... ....... ...... ...... ....33

Table 21. Ordering Information Scheme ... ...... ....... ...... ....... ...... ...... ....33

Table 22. DaisyChain Ordering Scheme . . ...... ....... ...... ....... ...... ...... ....33

REVISION HISTORY. . ...... ...... ....... ...... ....... ...... ....... ...... ...... ....34

Table 23. Document Revision History ..... ...... ....... ...... ....... ...... ...... ....34

APPENDIX A. BLOCK ADDRESS TABLES . . ...... ....... ...... ....... ...... ...... ....35

Table 24. Top Boot Block Addresses, M28W640CT ....... ...... ....... ...... ...... ....35

Table 25. Bottom Boot Block Addresses, M28W640CB .... ...... ....... ...... ...... .... 37

APPENDIXB. COMMONFLASH INTERFACE (CFI) . ....... ...... ....... ...... ...... ....39

Table 26. Query Structure Overview ...... ...... ....... ...... ....... ...... ...... ....39

Table 27. CFI Query Identification String . . ...... ....... ...... ....... ...... ...... ....39

Table 28. CFIQuerySystem 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

APPENDIXD. COMMAND INTERFACE AND PROGRAM/ERASE CONTROLLER STATE ... .... 52

Table 32. Write State Machine Current/Next, sheet1 of 2. .. ...... ....... ...... ...... ....52

Table 33. Write State Machine Current/Next, sheet2 of 2. .. ...... ....... ...... ...... ....53

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