參數(shù)資料
      型號: S29CD016G0JQFA010
      廠商: Spansion Inc.
      英文描述: 32 Megabit (1M x 32-Bit), 16 Megabit (512K x 32-Bit) 2.5 Volt-only Burst Mode, Dual Boot, Simultaneous Read/ Write Flash Memory with VersatileI/O
      中文描述: 32兆位(1米× 32位),16兆位(512k × 32的位),2.5伏,只有突發(fā)模式,雙啟動,同步讀/寫閃存與VersatileI內(nèi)存/輸出
      文件頁數(shù): 57/87頁
      文件大?。?/td> 792K
      代理商: S29CD016G0JQFA010
      November 14, 2005 S29CD-G_00_B0
      S29CD-G Flash Family
      55
      P r e l i m i n a r y
      Table 42. Sector Protection Command Definitions
      Command ( Notes)
      C
      Bus Cycles ( Notes
      1
      4
      )
      First
      Second
      Third
      Fourth
      Fifth
      Sixth
      Addr
      Data
      Addr
      Data
      Addr
      Data
      Addr
      Data
      Addr
      Data
      Addr
      Data
      Reset
      1
      XXX
      F0
      Secured Silicon Sector Entry
      3
      555
      AA
      2AA
      55
      555
      88
      Secured Silicon Sector Exit
      4
      555
      AA
      2AA
      55
      555
      90
      XX
      00
      Secured Silicon Protection Bit Status
      6
      555
      AA
      2AA
      55
      555
      60
      OW
      RD(0)
      Password Program (
      5
      ,
      7
      ,
      8
      )
      4
      555
      AA
      2AA
      55
      555
      38
      PWA[0-1]
      PWD[0-1]
      Password Verify
      4
      555
      AA
      2AA
      55
      555
      C8
      PWA[0-1]
      PWD[0-1]
      Password Unlock (
      7
      ,
      8
      )
      5
      555
      AA
      2AA
      55
      555
      28
      PWA[0-1]
      PWD[0-1]
      PPB Program (
      5
      ,
      6
      )
      6
      555
      AA
      2AA
      55
      555
      60
      SG+ WP
      68
      SG+ WP
      48
      SG+ WP
      RD(0)
      All PPB Erase (
      5
      ,
      9
      ,
      10
      )
      6
      555
      AA
      2AA
      55
      555
      60
      WP
      60
      WP
      40
      WP
      RD(0)
      PPB Status (
      11
      ,
      12
      )
      4
      555
      AA
      2AA
      55
      BA+ 555
      90
      SA+ X02
      00/01
      PPB Lock Bit Set
      3
      555
      AA
      2AA
      55
      555
      78
      PPB Lock Bit Status
      4
      555
      AA
      2AA
      55
      BA+ 555
      58
      SA
      RD(1)
      DYB Write (
      7
      )
      4
      555
      AA
      2AA
      55
      555
      48
      SA
      X1
      DYB Erase (
      7
      )
      4
      555
      AA
      2AA
      55
      555
      48
      SA
      X0
      DYB Status (
      12
      )
      4
      555
      AA
      2AA
      55
      BA+ 555
      58
      SA
      RD(0)
      PPMLB Program (
      5
      ,
      6
      )
      6
      555
      AA
      2AA
      55
      555
      60
      PL
      68
      PL
      48
      PL
      RD(0)
      PPMLB Status (
      5
      )
      6
      555
      AA
      2AA
      55
      555
      60
      PL
      RD(0)
      SPMLB Program (
      5
      ,
      6
      )
      6
      555
      AA
      2AA
      55
      555
      60
      SL
      68
      SL
      48
      SL
      RD(0)
      SPMLB Status (
      5
      )
      6
      555
      AA
      2AA
      55
      555
      60
      SL
      RD(0)
      Legend:
      DYB = Dynamic Protection Bit
      OW = Address (A5–A0) is (011X10).
      PPB = Persistent Protection Bit
      PWA = Password Address. A0 selects between the low and high 32-bit
      portions of the 64-bit Password
      PWD = Password Data. Must be written over two cycles.
      PL = Password Protection Mode Lock Address (A5–A0) is (001X10)
      RD(0) = Read Data DQ0 protection indicator bit. If protected, DQ0= 1,
      if unprotected, DQ0 = 0.
      RD(1) = Read Data DQ1 protection indicator bit. If protected, DQ1 =
      1, if unprotected, DQ1 = 0.
      SA = Sector Address. The set of addresses that comprise a sector. The
      system may write any address within a sector to identify that sector
      for a command.
      SG = Sector Group Address
      BA = Bank Address. The set of addresses that comprise a bank. The
      system may write any address within a bank to identify that bank for a
      command.
      SL = Persistent Protection Mode Lock Address (A5–A0) is (010X10)
      WP = PPB Address (A5–A0) is (111010)
      X = Don’t care
      PPMLB = Password Protection Mode Locking Bit
      SPMLB = Persistent Protection Mode Locking Bit
      Notes:
      1.
      2.
      3.
      See
      Table 27 on page 23
      for description of bus operations.
      All values are in hexadecimal.
      Shaded cells in table denote read cycles. All other cycles are
      write operations.
      During unlock cycles, (lower address bits are 555 or 2AAh as
      shown in table) address bits higher than A11 (except where BA
      is required) and data bits higher than DQ7 are don’t cares.
      The reset command returns the device to reading the array.
      The fourth cycle programs the addressed locking bit. The fifth
      and sixth cycles are used to validate whether the bit is fully
      programmed. If DQ0 (in the sixth cycle) reads 0, the program
      command must be issued and verified again.
      Data is latched on the rising edge of WE#.
      4.
      5.
      6.
      7.
      8.
      The entire four bus-cycle sequence must be entered for each
      portion of the password.
      The fourth cycle erases all PPBs. The fifth and sixth cycles are
      used to validate whether the bits were fully erased. If DQ0 (in
      the sixth cycle) reads 1, the erase command must be issued and
      verified again.
      10. Before issuing the erase command, all PPBs should be
      programmed in order to prevent over-erasure of PPBs.
      11. In the fourth cycle, 00h indicates PPB set; 01h indicates PPB not
      set.
      12. The status of additional PPBs and DYBs may be read (following
      the fourth cycle) without reissuing the entire command
      sequence.
      9.
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