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    參數(shù)資料
    型號: PCA8575D,118
    廠商: NXP Semiconductors
    文件頁數(shù): 30/30頁
    文件大小: 0K
    描述: IC I/O EXPANDER I2C 16B 24SOIC
    標(biāo)準(zhǔn)包裝: 1,000
    接口: I²C
    輸入/輸出數(shù): 16
    中斷輸出:
    頻率 - 時鐘: 400kHz
    電源電壓: 2.3 V ~ 5.5 V
    工作溫度: -40°C ~ 85°C
    安裝類型: 表面貼裝
    封裝/外殼: 24-SOIC(0.295",7.50mm 寬)
    供應(yīng)商設(shè)備封裝: 24-SO
    包裝: 帶卷 (TR)
    包括: POR
    其它名稱: 935283502118
    PCA8575D-T
    PCA8575D-T-ND
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    PCA8575_2
    NXP
    B
    .V
    .2007.
    All
    r
    ights
    reser
    v
    ed.
    Pr
    oduct
    data
    sheet
    Re
    v
    .02
    21
    Mar
    c
    h
    2007
    9
    of
    30
    NXP
    Semiconductor
    s
    PCA8575
    Remote
    16-bit
    I/O
    e
    xpander
    f
    or
    I
    2C-b
    us
    with
    interrupt
    Transfer of data can be stopped at any moment by a STOP condition. When this occurs, data present at the latest acknowledge phase is valid (output mode).
    Fig 12. Read input port register, scenario 1
    1
    0
    A2 A1 A0
    1
    A
    S0
    START condition
    R/W
    acknowledge
    from slave
    002aab810
    A
    acknowledge
    from master
    SCL
    SDA
    A
    read from port 0
    data into port 0
    INT
    A
    1
    no acknowledge
    from master
    P
    DATA 10
    DATA 12
    tv(D)
    td(rst)
    9
    8
    7
    6
    5
    4
    3
    2
    1
    P0x
    DATA 00
    acknowledge
    from master
    P1x
    DATA 11
    P0x
    DATA 00
    acknowledge
    from master
    P1x
    DATA 12
    data into port 1
    DATA 00
    read from port 1
    DATA 11
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