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  • 參數(shù)資料
    型號(hào): BU-62743F3-140
    廠商: DATA DEVICE CORP
    元件分類: 微控制器/微處理器
    英文描述: 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72
    封裝: 1 INCH, CERAMIC, QFP-72
    文件頁數(shù): 9/99頁
    文件大?。?/td> 578K
    代理商: BU-62743F3-140
    Data Device Corporation
    62743_pre7_noSA-DB.DOC
    www.ddc-web.com
    8-07-02
    17
    Table 9. REG0 Global Activity Register
    (Read 800h)
    BIT
    DESCRIPTION
    31 (MSB)
    PCI INTERRUPT ACTIVE
    30
    FIFO NOT EMPTY
    29
    0
    28
    0
    27
    0
    26
    0
    25
    0
    24
    1
    23
    BAR1 DRR_DATA_DISCARD
    22
    FAIL_SAFE ERROR
    21
    0
    20
    0
    19
    0
    18
    0
    17
    0
    16
    PCI ENHANCED MINI-ACE INTERRUPT ACTIVE
    15
    0
    0 (LSB)
    0
    This register will be all 0s after RST#, except for bit 24.
    PCI_INTERRUPT ACTIVE: When set to ‘1’, indicates that PCI Enhanced Mini-
    ACE has asserted it’s interrupt pin. The three possible sources (if enabled and
    active)
    are
    the
    Enhanced
    Mini-ACE,
    FailSafe
    timer
    and
    BAR1
    DRR_DATA_DISCARD.
    FIFO NOT EMPTY: When set to ‘1’, indicates that the write FIFO is not empty.
    BAR1 DRR_DATA_DISCARD: If the data discard timer times out while waiting
    for a retry on a BAR1 access, this bit will be set. If BAR1 read is discarded, it
    may have caused an action (for example clearing an ACE interrupt) that has not
    been recognized by the PCI MASTER.
    FAIL SAFE ERROR: If not in FAIL_SAFE OFF mode and fail safe error occurs
    (ACE does not respond), this bit will be set. Failsafe errors are extremely
    unlikely.
    相關(guān)PDF資料
    PDF描述
    BU-62743F3-142Q 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72
    BU-62743F3-442W 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72
    BU-62743F3-590W 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72
    BU-62743F3-590Y 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72
    BU-62743F4-120L 2 CHANNEL(S), 1M bps, MIL-STD-1553 CONTROLLER, CQFP72
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