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AT45DB321E Datasheet(PDF) 67 Page - Renesas Technology Corp |
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AT45DB321E Datasheet(HTML) 67 Page - Renesas Technology Corp |
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67 / 80 page  DS-AT45DB321E-8784 Rev. N Page 67 9/1/23 © 2023 Renesas Electronics AT45DB321E Datasheet 24. Read Operations The following block diagram and waveforms show the various read sequences available. Figure 34. Block Diagram Figure 35. Main Memory Page Read Figure 36. Main Memory Page to Buffer Transfer Data From the selected Flash Page is read into either SRAM Buffer Flash Memory Array Page (512/528 bytes) Buffer 2 (512/528 bytes) Buffer 1 (512/528 bytes) I/O Interface Main Memory Page To Buffer 1 Main Memory Page To Buffer 2 Main Memory Page Read Buffer 1 Read Buffer 2 Read SO CS SI (Input) SO (Output) n CMD XX, PA12-6 PA5-0, BA9-8 BA7-0 X X Address for Binary Page Size A21-A16 A15-A8 A7-A0 n n + 1 4 Dummy Bytes CS SI (Input) CMD XX, PA12-6 PA5-0, XX XXXX XXXX Starts Reading Page Data into Buffer Binary Page Size A21-A9 + 9 Dummy Bits SO (Output) |
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