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  • 參數(shù)資料
    型號: NZ48F4L0QTY
    廠商: Intel Corp.
    英文描述: StrataFlash Wireless Memory
    中文描述: 無線的StrataFlash存儲器
    文件頁數(shù): 76/106頁
    文件大小: 1272K
    代理商: NZ48F4L0QTY
    Intel StrataFlash Wireless Memory (L18)
    April 2005
    76
    Intel StrataFlash Wireless Memory (L18)
    Order Number: 251902, Revision: 009
    Datasheet
    Always clear the Status Register prior to resuming erase operations. This avoids Status Register
    ambiguity when issuing commands during Erase Suspend. If a command sequence error occurs
    during an erase-suspend state, the Status Register contains the command sequence error status
    (SR[7,5,4] set). When the erase operation resumes and finishes, possible errors during the erase
    operation cannot be detected via the Status Register because it contains the previous error status.
    15.1.1
    Clear Status Register
    The Clear Status Register command clears the status register, leaving all partition read states
    unchanged. It functions independent of V
    PP
    . The Write State Machine (WSM) sets and clears
    SR[7,6,2,0], but it sets bits SR[5:3,1] without clearing them. The Status Register should be cleared
    before starting a command sequence to avoid any ambiguity. A device reset also clears the Status
    Register.
    15.2
    Read Device Identifier
    The Read Device Identifier command instructs the addressed partition to output manufacturer
    code, device identifier code, block-lock status, protection register data, or configuration register
    data when that partition’s addresses are read (see
    Section 9.2, “Device Commands” on page 47
    for
    details on issuing the Read Device Identifier command).
    Table 17, “Device Identifier Information”
    on page 77
    and
    Table 18, “Device ID codes” on page 77
    show the address offsets and data values
    for this device.
    Issuing a Read Device Identifier command to a partition that is programming or erasing places that
    partition in the Read Identifier state while the partition continues to program or erase in the
    background.
    5
    Erase Status (ES)
    0 = Erase successful.
    1 = Erase fail or program sequence error when set with SR[4,7].
    4
    Program Status (PS)
    0 = Program successful.
    1 = Program fail or program sequence error when set with SR[5,7]
    3
    V
    PP
    Status (VPPS)
    0 = VPP within acceptable limits during program or erase operation.
    1 = VPP < VPPLK during program or erase operation.
    2
    Program Suspend Status
    (PSS)
    0 = Program suspend not in effect.
    1 = Program suspend in effect.
    1
    Block-Locked Status
    (BLS)
    0 = Block not locked during program or erase.
    1 = Block locked during program or erase; operation aborted.
    0
    Partition Write Status
    (PWS)
    DWS PWS
    0
    0
    1
    1
    (Non-buffered EFP operation. For Buffered EFP operation, see
    Section 11.3, “Buffered Enhanced Factory Programming” on
    page 60
    ).
    0 = Program or erase operation in addressed partition.
    1 = Program or erase operation in other partition.
    0 = No active program or erase operations.
    1 = Reserved.
    Table 16.
    Status Register Description (Sheet 2 of 2)
    Status Register (SR)
    Default Value = 0x80
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