M36W432BG85ZA6T datasheet(5/66 Pages) STMICROELECTRONICS

Part #	M36W432BG85ZA6T

Description	32 Mbit 2Mb x16, Boot Block Flash Memory and 4 Mbit 256Kb x16 SRAM, Multiple Memory Product

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M36W432TG, M36W432BG

APPENDIX B. COMMON FLASH INTERFACE (CFI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Table 28. Query Structure Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50

Table 29. CFI Query Identification String . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50

Table 30. CFI Query System Interface Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Table 31. Device Geometry Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52

Table 32. Primary Algorithm-Specific Extended Query Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Table 33. Security Code Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

APPENDIX C. FLASH FLOWCHARTS AND PSEUDO CODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Figure 25. Flash Program Flowchart and Pseudo Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Figure 26. Double Word Program Flowchart and Pseudo Code . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Figure 28. Program Suspend & Resume Flowchart and Pseudo Code . . . . . . . . . . . . . . . . . . . . . 58

Figure 29. Erase Flowchart and Pseudo Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Figure 30. Erase Suspend & Resume Flowchart and Pseudo Code. . . . . . . . . . . . . . . . . . . . . . . . 60

Figure 31. Locking Operations Flowchart and Pseudo Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

APPENDIX D. FLASH COMMAND INTERFACE AND PROGRAM/ERASE CONTROLLER STATE. 63

Table 34. Write State Machine Current/Next, sheet 1 of 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Table 35. Write State Machine Current/Next, sheet 2 of 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

REVISION HISTORY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Table 36. Document Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65

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