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M29W640FT Datasheet(PDF) 32 Page - Numonyx B.V |
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M29W640FT Datasheet(HTML) 32 Page - Numonyx B.V |
32 / 71 page Status Register M29W640FT, M29W640FB 32/71 Figure 4. Data Polling flowchart Table 9. Status Register Bits(1) 1. Unspecified data bits should be ignored. Operation Address DQ7 DQ6 DQ5 DQ3 DQ2 RB Program Any address DQ7 Toggle 0 – – 0 Program During Erase Suspend Any address DQ7 Toggle 0 – – 0 Program Error Any address DQ7 Toggle 1 – – Hi-Z Chip Erase Any address 0 Toggle 0 1 Toggle 0 Block Erase before timeout Erasing Block 0 Toggle 0 0 Toggle 0 Non-Erasing Block 0 Toggle 0 0 No Toggle 0 Block Erase Erasing Block 0 Toggle 0 1 Toggle 0 Non-Erasing Block 0 Toggle 0 1 No Toggle 0 Erase Suspend Erasing Block 1 No Toggle 0 – Toggle Hi-Z Non-Erasing Block Data read as normal Hi-Z Erase Error Good Block address 0 Toggle 1 1 No Toggle Hi-Z Faulty Block address 0 Toggle 1 1 Toggle Hi-Z READ DQ5 & DQ7 at VALID ADDRESS START READ DQ7 at VALID ADDRESS FAIL PASS AI90194 DQ7 = DATA YES NO YES NO DQ5 = 1 DQ7 = DATA YES NO |
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