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GD25Q256DFER Datasheet(PDF) 56 Page - GigaDevice Semiconductor (Beijing) Inc. |
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GD25Q256DFER Datasheet(HTML) 56 Page - GigaDevice Semiconductor (Beijing) Inc. |
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56 / 89 page  3.3V Uniform Sector Dual and Quad Serial Flash GD25Q256D 56 7.31. Program/Erase Suspend (PES) (75H) The Program/Erase Suspend command “75H”, allows the system to interrupt a page program or sector/block erase operation and then read data from any other sector or block. The Write Status Register command (01H/31H/11H) and Erase/Program Security Registers command (44H,42H) and Erase commands (20H, 52H, D8H, C7H, 60H) and Page Program command (02H/32H) are not allowed during Program suspend. The Write Status Register command (01H/31H/11H) and Erase Security Registers command (44H) and Erase commands (20H, 52H, D8H, C7H, 60H) are not allowed during Erase suspend. Program/Erase Suspend is valid only during the page program or sector/block erase operation. A maximum of time of “tsus” (See AC Characteristics) is required to suspend the program/erase operation. Table 17. Commands Allowed During Program or Erase Suspend Command Name Code (Hex) Allowed During Erase Suspend Allowed During Program Suspend Comment Write Enable 06 Yes Required for program command within erase suspend. Read Status Register-1 05 Yes Yes Needed to read WIP to determine end of suspend process. Read Status Register-2 35 Yes Yes Needed to read suspend status to determine whether the operation is suspended or complete. Read Status Register-3 15 Yes Yes Needed to read suspend status to determine whether the operation is suspended or complete. Read Extended Addr. Register C8 Yes Yes Extended Addr. Register may need to be changed during a suspend to reach a sector needed for read or program. Write Extended Addr. Register C5 Yes Yes Extended Addr. Register may need to be changed during a suspend to reach a sector needed for read or program. Read 03 Yes Yes All array reads allowed in suspend. 4Read 13 Yes Yes All array reads allowed in suspend. Fast Read 0B Yes Yes All array reads allowed in suspend. 4Fast Read 0C Yes Yes All array reads allowed in suspend. Dual I/O Fast Read BB Yes Yes All array reads allowed in suspend. 4Dual I/O Fast Read BC Yes Yes All array reads allowed in suspend. Dual Output Fast Read 3B Yes Yes All array reads allowed in suspend. 4Dual Output Fast Read 3C Yes Yes All array reads allowed in suspend. Quad I/O Fast Read EB Yes Yes All array reads allowed in suspend. 4Quad I/O Fast Read EC Yes Yes All array reads allowed in suspend. Quad Output Fast Read 6B Yes Yes All array reads allowed in suspend. 4Quad Output Fast Read 6C Yes Yes All array reads allowed in suspend. Page Program 02 Yes Required for array program during erase suspend. 4Page Program 12 Yes Required for array program during erase suspend. Quad Page Program 32 Yes Required for array program during erase suspend. 4Quad Page Program 34 Yes Required for array program during erase suspend. Program/Erase Resume 7A Yes Required to resume from erase/program suspend. |
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