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    參數(shù)資料
    型號: M38B42M4H-XXXXFP
    廠商: Mitsubishi Electric Corporation
    英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
    中文描述: 單芯片8位CMOS微機
    文件頁數(shù): 4/78頁
    文件大?。?/td> 1214K
    代理商: M38B42M4H-XXXXFP
    4
    38B4 Group
    SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
    MITSUBISHI MICROCOMPUTERS
    Table 2 Pin description (2)
    Function except a port function
    Serial I/O1 function pins
    Pin
    Name
    Function
    P5
    0
    /S
    IN1
    ,
    P5
    1
    /S
    OUT1
    ,
    P5
    2
    /S
    CLK11
    ,
    P5
    3
    /S
    CLK12
    P5
    4
    /R
    X
    D,
    P5
    5
    /T
    X
    D,
    P5
    6
    /S
    CLK21
    ,
    P5
    7
    /S
    RDY2
    /
    S
    CLK22
    P6
    0
    /CNTR
    1
    I/O port P6
    I/O port P5
    8-bit CMOS I/O port with the same function as port P0.
    CMOS compatible input level.
    CMOS 3-state output structure.
    Serial I/O2 function pins
    1-bit I/O port with the same function as port P0.
    CMOS compatible input level.
    N-channel open-drain output structure.
    5-bit CMOS I/O port with the same function as port P0.
    CMOS compatible input level.
    CMOS 3-state output structure.
    Timer input pin
    In the mask option type P,
    CNTR
    1
    cannot be used.
    Timer I/O pin
    P6
    1
    /CNTR
    0
    /
    CNTR
    2
    P6
    2
    /S
    RDY1
    /
    AN
    8
    P6
    3
    /AN
    9
    Serial I/O1 function pin
    A-D conversion input pin
    A-D conversion input pin
    Dimmer signal output pin
    Serial I/O1 function pin
    A-D conversion input pin
    Interrupt input pin (P6
    4
    )
    P6
    4
    /INT
    4
    /
    S
    BUSY1
    /AN
    10
    ,
    P6
    5
    /S
    STB1
    /
    AN
    11
    P7
    0
    /AN
    0
    P7
    7
    /AN
    7
    I/O port P7
    8-bit CMOS I/O port with the same function as port P0.
    CMOS compatible input level.
    CMOS 3-state output structure.
    4-bit I/O port with the same function as port P0.
    Low-voltage input level.
    High-breakdown-voltage P-channel open-drain output structure.
    4-bit CMOS I/O port with the same function as port P0.
    Low-voltage input level.
    CMOS 3-state output structure
    A-D conversion input pin
    P8
    0
    /FLD
    32
    – I/O port P8
    P8
    3
    /FLD
    35
    FLD automatic display pins
    P8
    4
    /FLD
    36
    P8
    5
    /RTP
    0
    /
    FLD
    37,
    P8
    6
    /RTP
    1
    /
    FLD
    38
    P8
    7
    /PWM
    0
    /
    FLD
    39
    P9
    0
    /X
    CIN
    ,
    P9
    1
    /X
    COUT
    FLD automatic display pins
    Real time port output
    FLD automatic display pins
    14-bit PWM output
    I/O pins for sub-clock generating
    circuit
    (connect a ceramic resona-
    I/O port P9
    2-bit CMOS I/O port with the same function as port P0.
    CMOS compatible input level.
    CMOS 3-state output structure.
    tor or a quarts-crystal oscillator)
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