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W49L201S-90 Datasheet(PDF) 9 Page - Winbond |
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W49L201S-90 Datasheet(HTML) 9 Page - Winbond |
9 / 23 page Preliminary W49L201 Publication Release Date: May 2000 - 9 - Revision A1 Command Codes for Sector Erase BYTE SEQUENCE ADDRESS DATA 1 Write 5555H AAH 2 Write 2AAAH 55H 3 Write 5555H 80H 4 Write 5555H AAH 5 Write 2AAAH 55H 6 Write SA* 30H Pause TEC Sector Erase Acquisition Flow Load data AA to address 5555 Load data 55 to address 2AAA Load data 80 to address 5555 Load data AA to address 5555 Load data 55 to address 2AAA Load data 30 to address SA* Exit Pause T EC Notes for chip erase: Data Format: DQ15-DQ8: Don't Care; DQ7 −DQ0 (Hex) Address Format: A14 −A0 (Hex) A16 - A12 = 00011, for 8Kword Parameter Block1 (Sector-1) A16 - A12 = 00101, for 8Kword Parameter Block2 (Sector-2) A16 - A12 = 11111, - for 104Kword Main Memory Block when Boot Block lockout feature is activated. - for 104Kword Main Memory Block and 8Kword Boot Block when Boot Block lockout feature is inactivated. |
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