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S25FS256S Datasheet(PDF) 121 Page - SPANSION |
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S25FS256S Datasheet(HTML) 121 Page - SPANSION |
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121 / 154 page  November 6, 2013 S25FS-S_00_04 S25FS-S Family 121 Da ta Shee t (Prelim i nar y ) Reading at any address within an erase-suspended sector or program-suspended page produces undetermined data. The WRR, WRAR, or PPB Erase commands are not allowed during Erase or Program Suspend, it is therefore not possible to alter the Block Protection or PPB bits during Erase Suspend. If there are sectors that may need programming during Erase suspend, these sectors should be protected only by DYB bits that can be turned off during Erase Suspend. After an erase-suspended program operation is complete, the device returns to the erase-suspend mode. The system can determine the status of the program operation by reading the WIP bit in the Status Register, just as in the standard program operation. Figure 10.53 Program or Erase Suspend Command Sequence Figure 10.54 Program or Erase Suspend Command Sequence 4DIOR BC X X All array reads allowed in suspend. DYBRD FA X It may be necessary to remove and restore dynamic protection during erase suspend to allow programming during erase suspend. DYBWR FB X It may be necessary to remove and restore dynamic protection during erase suspend to allow programming during erase suspend. PPBRD FC X Allowed for checking Persistent Protection before attempting a program command during erase suspend. 4DYBRD E0 X It may be necessary to remove and restore dynamic protection during erase suspend to allow programming during erase suspend. 4DYBWR E1 X It may be necessary to remove and restore dynamic protection during erase suspend to allow programming during erase suspend. 4PPBRD E2 X Allowed for checking Persistent Protection before attempting a program command during erase suspend. QIOR EB X X All array reads allowed in suspend. 4QIOR EC X X All array reads allowed in suspend. DDRQIOR ED X X All array reads allowed in suspend. 4DDRQIOR EE X X All array reads allowed in suspend. RESET F0 X X Reset allowed anytime. MBR FF X X May need to reset a read operation during suspend. Table 10.5 Commands Allowed During Program or Erase Suspend (Sheet 2 of 2) Instruction Name Instruction Code (Hex) Allowed During Erase Suspend Allowed During Program Suspend Comment CS# SCK SI SO Phase Phase 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 Suspend Instruction Read Status Instruction Status Instr. During Suspend Repeat Status Read Until Suspended tSL CS# SCK SI SO Phase 7 6 5 4 3 2 1 0 Instruction |
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