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MX29F100TTA-90 Datasheet(PDF) 39 Page - Macronix International |
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MX29F100TTA-90 Datasheet(HTML) 39 Page - Macronix International |
39 / 47 page ![]() 39 P/N:PM0548 MX29F100T/B REV. 1.2, NOV. 12, 2001 SECTOR PROTECTION ALGORITHM FOR SYSTEM WITHOUT 12V START Set Up Sector Addr (A15,A14,A13,A12) PLSCNT=1 Sector Protection Complete Data=01H? Yes . Yes OE=VIH,A9=VIH CE=VIL,A6=VIL Activate WE Pulse to start Data don't care Set CE=OE=VIL A9=VIH Read from Sector Addr=SA, A1=1 Protect Another Sector? Write Reset Command Device Failed PLSCNT=32? Yes No No Increment PLSCNT No Write "unlock for sector protect/unprotect" Command(Table1) Toggle bit checking DQ6 not Toggled No Yes |