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M29W320DB70N1E Datasheet(PDF) 23 Page - Numonyx B.V |
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M29W320DB70N1E Datasheet(HTML) 23 Page - Numonyx B.V |
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23 / 56 page  M29W320DT, M29W320DB Command Interface 23/56 Table 5. Commands, 8-bit mode, BYTE = VIL (1)(2) Command Bus Write Operations 1st 2nd 3rd 4th 5th 6th Addr Data Addr Data Addr Data Addr Data Addr Data Addr Data Read/Reset(3) 1X F0 3 AAA AA 555 55 X F0 Auto Select(4) 3 AAA AA 555 55 AAA 90 Program(5) 4 AAA AA 555 55 AAA A0 PA PD Unlock Bypass(6) 3 AAA AA 555 55 AAA 20 Unlock Bypass Program(5) 2 X A0 PA PD Unlock Bypass Reset(7) 2X 90 X 00 Chip Erase(5) 6 AAA AA 555 55 AAA 80 AAA AA 555 55 AAA 10 Block Erase(5) 6+ AAA AA 555 55 AAA 80 AAA AA 555 55 BA 30 Erase Suspend(8) 1X B0 Erase Resume(9) 1X 30 Read CFI Query(10) 1AA 98 1. X Don’t Care, PA Program Address, PD Program Data, BA Any address in the Block. All values in the table are in hexadecimal. 2. The Command Interface only uses A–1, A0-A10 and DQ0-DQ7 to verify the commands; A11-A20, DQ8-DQ14 and DQ15 are Don’t Care. DQ15A–1 is A–1 when BYTE is VIL or DQ15 when BYTE is VIH. 3. After a Read/Reset command, read the memory as normal until another command is issued. Read/Reset command is ignored during algorithm execution. 4. After an Auto Select command, read Manufacturer ID, Device ID or Block Protection Status. 5. After a Program, Unlock Bypass Program, Chip Erase, Block Erase command read the Status Register until the Program/Erase Controller completes and the memory returns to Read Mode. Add additional Blocks during Block Erase Command with additional Bus Write Operations until Timeout Bit is set. 6. After the Unlock Bypass command issue Unlock Bypass Program or Unlock Bypass Reset commands. 7. After the Unlock Bypass Reset command read the memory as normal until another command is issued. 8. After the Erase Suspend command read non-erasing memory blocks as normal, issue Auto Select and Program commands on non-erasing blocks as normal. 9. After the Erase Resume command the suspended Erase operation resumes, read the Status Register until the Program/Erase Controller completes and the memory returns to Read Mode. 10. The CFI Query command is valid when device is ready to read array data or when device is in autoselected mode. |
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