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    參數(shù)資料
    型號(hào): M30612E4
    廠商: Mitsubishi Electric Corporation
    英文描述: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
    中文描述: 單片16位CMOS微機(jī)
    文件頁(yè)數(shù): 102/197頁(yè)
    文件大?。?/td> 2673K
    代理商: M30612E4
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    Mitsubishi microcomputers
    M16C / 61 Group
    SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
    Clock synchronous serial I/O mode
    102
    (c) Transfer clock output from multiple pins function (UART1)
    This function allows the setting two transfer clock output pins and choosing one of the two to output a
    clock by using the CLK and CLKS select bit (bits 4 and 5 at address 03B0
    16
    ). (See Figure 1.17.13.)
    The multiple pins function is valid only when the internal clock is selected for UART1. Note that when
    this function is selected, UART1 CTS/RTS function cannot be used.
    Figure 1.17.13. The transfer clock output from the multiple pins function usage
    Microcomputer
    T
    X
    D
    1
    (P6
    7
    )
    CLKS
    1
    (P6
    4
    )
    CLK
    1
    (P6
    5
    )
    IN
    CLK
    IN
    CLK
    Note: This applies when the internal clock is selected and transmission
    is performed only in clock synchronous serial I/O mode.
    (d) Continuous receive mode
    If the continuous receive mode enable bit (bits 2 and 3 at address 03B0
    16
    , bit 5 at address 037D
    16
    ) is
    set to “1”, the unit is placed in continuous receive mode. In this mode, when the receive buffer register
    is read out, the unit simultaneously goes to a receive enable state without having to set dummy data to
    the transmit buffer register back again.
    (e) Separate CTS/RTS pins function (UART0)
    This function works the same way as in the clock asynchronous serial I/O (UART) mode. The method
    of setting and the input/output pin functions are both the same, so refer to select function in the next
    section, “(2) Clock asynchronous serial I/O (UART) mode.” Note that this function is invalid if the
    transfer clock output from the multiple pins function is selected.
    (f) Serial data logic switch function (UART2)
    When the data logic select bit (bit6 at address 037D
    16
    ) = “1”, and writing to transmit buffer register or
    reading from receive buffer register, data is reversed. Figure
    1.17.14
    shows the example of serial data
    logic switch timing.
    Figure
    1.17.14.
    Serial data logic switch timing
    D0
    D1
    D2
    D3
    D4
    D5
    D6
    D7
    D0
    D1
    D2
    D3
    D4
    D5
    D6
    D7
    Transfer clock
    TxD
    2
    (no reverse)
    TxD
    2
    (reverse)
    “H”
    “L”
    “H”
    “L”
    “H”
    “L”
    When LSB first
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    相關(guān)代理商/技術(shù)參數(shù)
    參數(shù)描述
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