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    參數(shù)資料
    型號: HD40A4052
    廠商: Hitachi,Ltd.
    英文描述: 4-Bit Single-Chip Microcomputer(4位單片微計算機)
    中文描述: 4位單片機(4位單片微計算機)
    文件頁數(shù): 35/101頁
    文件大?。?/td> 610K
    代理商: HD40A4052
    HD404054 Series/HD404094 Series
    35
    Table 21
    Circuit Configurations of I/O Pins
    Pins
    I/O Pin Type Circuit
    HD404054
    Series
    HD404094
    Series
    Input/output
    pins
    V
    CC
    V
    CC
    Pull-up control signal
    Buffer control
    signal
    Output data
    Input data
    HLT
    MIS3
    DCD, DCR
    PDR
    Input control signal
    D
    4
    –D
    9
    ,
    R0–R4
    D
    8
    , D
    9
    ,
    R0–R4
    V
    CC
    DCD, DCR
    PDR
    Pull-down control
    signal
    Buffer control signal
    Output data
    MIS3
    HLT
    Input data
    Input control signal
    D
    0
    –D
    3
    D
    0
    –D
    3
    V
    CC
    V
    CC
    Pull-up control signal
    Buffer control
    signal
    Output data
    Input data
    HLT
    MIS3
    DCR
    MIS2
    PDR
    Input control signal
    R4
    3
    R4
    3
    Output pins
    Output data
    HLT
    PDR
    DCD
    D
    4
    –D
    7
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