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M36W432B70ZA1T Datasheet(PDF) 2 Page - STMicroelectronics |
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2 / 57 page M36W432T, M36W432B 2/57 TABLE OF CONTENTS SUMMARY DESCRIPTION ... ...... ....... ...... ....... ...... ....... ...... ...... .....5 Figure 2.LogicDiagram .. ...... ....... ...... ....... ...... ....... ...... ...... .....5 Table 1. Signal Names . . . ...... ....... ...... ....... ...... ....... ...... ...... .....5 Figure 3. LFBGA Connections (Top view through package) . ...... ....... ...... ...... ..... 6 SIGNAL DESCRIPTIONS .... ...... ....... ...... ....... ...... ....... ...... ...... .....6 FUNCTIONAL DESCRIPTION ...... ....... ...... ....... ...... ....... ...... ...... .....8 Figure 4. Functional Block Diagram ...... ...... ....... ...... ....... ...... ...... .....8 Table 2.Main Operation Modes .. ....... ...... ....... ...... ....... ...... ...... .....9 Flash Memory Component ..... ....... ...... ....... ...... ....... ...... ...... ....10 Figure 5.Flash BlockAddresses. . ....... ...... ....... ...... ....... ...... ...... ....11 Figure 6.Flash Security BlockMemoryMap ...... ....... ...... ....... ...... ...... ....11 SRAM Component ...... ...... ....... ...... ....... ...... ....... ...... ...... ....11 OPERATING MODES . ...... ...... ....... ...... ....... ...... ....... ...... ...... .... 12 Flash Bus Operations ... ...... ....... ...... ....... ...... ....... ...... ...... ....12 Flash Command Interface...... ....... ...... ....... ...... ....... ...... ...... ....12 Table 3.Commands ..... ...... ....... ...... ....... ...... ....... ...... ...... ....15 Table 4.Read ElectronicSignature ....... ...... ....... ...... ....... ...... ...... ....16 Table 5.Read BlockSignature ... ....... ...... ....... ...... ....... ...... ...... .... 16 Table 6.Read Protection Register and Lock Register ..... ...... ....... ...... ...... ....16 Table 7.Program,Erase Times and Program/Erase Endurance Cycles .... ...... ...... .... 17 Flash Block Locking .... ...... ....... ...... ....... ...... ....... ...... ...... .... 17 Table 8.Block LockStatus ...... ....... ...... ....... ...... ....... ...... ...... ....18 Table 9.LockStatus ..... ...... ....... ...... ....... ...... ....... ...... ...... ....18 Flash Status Register .... ...... ....... ...... ....... ...... ....... ...... ...... .... 19 Table 10. Status Register Bits .... ....... ...... ....... ...... ....... ...... ...... ....20 SRAM Operations ...... ...... ....... ...... ....... ...... ....... ...... ...... ....20 MAXIMUM RATING... ...... ...... ....... ...... ....... ...... ....... ...... ...... ....21 Table 11. Absolute Maximum Ratings ..... ...... ....... ...... ....... ...... ...... ....21 DC and AC PARAMETERS . . ...... ....... ...... ....... ...... ....... ...... ...... ....22 Table 12. Operating and AC Measurement Conditions ..... ...... ....... ...... ...... ....22 Figure 7.AC Measurement I/O Waveform . ...... ....... ...... ....... ...... ...... ....22 Figure 8. AC Measurement Load Circuit . . . ...... ....... ...... ....... ...... ...... ....22 Table 13. Device Capacitance.... ....... ...... ....... ...... ....... ...... ...... ....22 Table 14. DC Characteristics..... ....... ...... ....... ...... ....... ...... ...... ....23 Figure 9.Flash Read AC Waveforms ..... ...... ....... ...... ....... ...... ...... ....24 Table 15. Flash Read AC Characteristics.. ...... ....... ...... ....... ...... ...... ....24 |
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