參數(shù)資料
    型號: BU-62743B4-110W
    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, BGA128
    封裝: 0.815 X 0.815 INCH, 0.140 INCH HEIGHT, 1 MM PITCH, BGA-128
    文件頁數(shù): 58/93頁
    文件大?。?/td> 504K
    代理商: BU-62743B4-110W
    Data Device Corporation
    62743_pre2.DOC
    www.ddc-web.com
    8-15-01
    61
    for any selectable subset of the 128 combinations of broadcast/own address, T/R*
    bit, and subaddress.
    If the busy bit is set for a transmit command, the PCI Enhanced Mini-ACE RT will
    respond with the busy bit set in the status word, but will not transmit any data
    words. If the busy bit is set for a receive command, the RT will also respond with
    the busy status bit set. There are two programmable options regarding the
    reception of data words for a non-mode code receive command for which the RT
    is busy: (1) to transfer the received data words to shared RAM; or (2) to not
    transfer the data words to shared RAM.
    RT ADDRESS
    The PCI Enhanced Mini-ACE offers several different options for designating the
    Remote Terminal address. These include the following: (1) hardwired, by means
    of the 5 RT ADDRESS inputs, and the RT ADDRESS PARITY input; (2) by means
    of the RT ADDRESS (and PARITY) inputs, but latched via hardware, on the rising
    edge of the RT_AD_LAT input signal; (3) input by means of the RT ADDRESS
    (and PARITY) inputs, but latched via host software; and (4) fully software
    programmable, by means of an internal register. In all four configurations, the RT
    address is readable by the host processor.
    RT BUILT-IN TEST (BIT) WORD
    The bit map for the PCI Enhanced Mini-ACE’s internal RT Built-in-Test (BIT)
    Word is indicated in Table 54.
    Table 54. RT BIT Word
    Bit
    DESCRIPTION
    15(MSB)
    TRANSMITTER TIMEOUT
    14
    LOOP TEST FAILURE B
    13
    LOOP TEST FAILURE A
    12
    HANDSHAKE FAILURE
    11
    TRANSMITTER SHUTDOWN B
    10
    TRANSMITTER SHUTDOWN A
    9
    TERMINAL FLAG INHIBITED
    8
    BIT TEST FAIL
    7
    HIGH WORD COUNT
    6
    LOW WORD COUNT
    5
    INCORRECT SYNC RECEIVED
    4
    PARITY/MANCHESTER ERROR RECEIVED
    3
    RT-to-RT GAP/SYNC/ADDRESS ERROR
    2
    RT-to-RT NO RESPONSE ERROR
    1
    RT-to-RT 2ND COMMAND WORD ERROR
    0(LSB)
    COMMAND WORD CONTENTS ERROR
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