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S25FS256S Datasheet(PDF) 136 Page - SPANSION |
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S25FS256S Datasheet(HTML) 136 Page - SPANSION |
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136 / 154 page  136 S25FS-S Family S25FS-S_00_04 November 6, 2013 Data Sheet (Pre limin ar y) 12.2 Registers The register maps are copied in this section as a quick reference. See Registers on page 59 for the full description of the register contents. 4BAM Enter 4-byte Address Mode B7 133 0 No DIOR Dual I/O Read BB 66 3 or 4 No 4DIOR Dual I/O Read BC 66 4 No SBL Set Burst Length C0 133 0 No BE Bulk Erase (alternate instruction) C7 133 0 Yes EES Evaluate Erase Status D0 133 3 or 4 Yes SE Erase 64 kB or 256 kB D8 133 3 or 4 Yes 4SE Erase 64 kB or 256 kB DC 133 4 Yes 4DYBRD DYB Read E0 133 4 Yes 4DYBWR DYB Write E1 133 4 Yes 4PPBRD PPB Read E2 133 4 No 4PPBP PPB Program E3 133 4 No PPBE PPB Erase E4 133 0 No PASSRD Password Read E7 133 0 No PASSP Password Program E8 133 0 No PASSU Password Unlock E9 133 0 No QIOR Quad I/O Read EB 133 3 or 4 Yes 4QIOR Quad I/O Read EC 133 4 Yes DDRQIOR DDR Quad I/O Read ED 80 3 or 4 Yes 4DDRQIOR DDR Quad I/O Read EE 80 4 Yes RESET Legacy Software Reset F0 133 0 No DYBRD DYB Read FA 133 3 or 4 Yes DYBWR DYB Write FB 133 3 or 4 Yes PPBRD PPB Read FC 133 3 or 4 No PPBP PPB Program FD 133 3 or 4 No MBR Mode Bit Reset FF 133 0 Yes Table 12.1 S25FS-S Family Command Set (sorted by instruction) Command Name Command Description Instruction Value (Hex) Maximum Frequency (MHz) Address Length (Bytes) QPI Table 12.2 Status Register 1 Non-Volatile (SR1NV) Bits Field Name Function Type Default State Description 7 SRWD_NV Status Register Write Disable Default Non-Volatile 0 1 = Locks state of SRWD, BP, and Configuration Register 1 bits when WP# is low by not executing WRR or WRAR commands that would affect SR1NV, SR1V, CR1NV, or CR1V. 0 = No protection, even when WP# is low. 6 P_ERR_D Programming Error Default Non-Volatile Read Only 0 Provides the default state for the Programming Error Status. Not user programmable. 5 E_ERR_D Erase Error Default Non-Volatile Read Only 0 Provides the default state for the Erase Error Status. Not user programmable. 4 BP_NV2 Block Protection Non-Volatile Non-Volatile 000b Protects the selected range of sectors (Block) from Program or Erase when the BP bits are configured as non-volatile (CR1NV[3]=0). Programmed to 111b when BP bits are configured to volatile (CR1NV[3]=1).- after which these bits are no longer user programmable. 3 BP_NV1 2 BP_NV0 1 WEL_D WEL Default Non-Volatile Read Only 0 Provides the default state for the WEL Status. Not user programmable. 0 WIP_D WIP Default Non-Volatile Read Only 0 Provides the default state for the WIP Status. Not user programmable. |
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