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AT89C5131A-RDTIL 数据表(PDF) 172 Page - ATMEL Corporation |
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AT89C5131A-RDTIL 数据表(HTML) 172 Page - ATMEL Corporation |
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172 / 185 page ![]() 172 AT89C5131A-L 4338E–USB–06/06 Flash EEPROM Memory and Data EEPROM Memory Table 124. Timing Symbol Definitions Table 125. Memory AC Timing VDD = 3.3V ± 10%, T A = -40 to +85°C Figure 81. Flash Memory - ISP Waveforms Figure 82. Flash Memory - Internal Busy Waveforms Signals Conditions S (Hardware Condition) PSEN, EA L Low RRST VValid B FBUSY Flag X No Longer Valid Symbol Parameter Min Typ Max Unit T SVRL Input PSEN Valid to RST Edge 50 ns T RLSX Input PSEN Hold after RST Edge 50 ns TBHBL Flash EEPROM Internal Busy (Programming) Time 10 20 ms TBHBL EEPROM Data Internal Busy (Programming) Time 10 20 ms Flash EEPROM program memory write cycles 100K Cycles Configuration bits (fuses bits) memory write cycles (BLJB, X2, OSCON0, OSCON1) 1K Cycles EEPROM Data memory write cycles 100K Cycles RST TSVRL PSEN1 TRLSX FBUSY bit TBHBL |
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