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    參數(shù)資料
    型號: M38273E5MXXXGP
    廠商: Mitsubishi Electric Corporation
    英文描述: Dual Low-Power, Rail-to-Rail Input/Output Operational Amplifier 8-CDIP -55 to 125
    中文描述: 單芯片8位CMOS微機
    文件頁數(shù): 28/70頁
    文件大?。?/td> 1112K
    代理商: M38273E5MXXXGP
    28
    SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
    3827 Group
    MITSUBISHI MICROCOMPUTERS
    Fig. 25 Structure of serial I/O1 control registers
    BRG count source selection bit (CSS)
    0: f(X
    IN
    ) (f(X
    CIN
    ) in low-speed mode)
    1: f(X
    IN
    )/4 (f(X
    CIN
    )/4 in low-speed mode)
    Serial I/O1 synchronous clock selection bit (SCS)
    0: BRG output divided by 4 when clock synchronous serial
    I/O is selected.
    BRG output divided by 16 when UART is selected.
    1: External clock input when clock synchronous serial I/O is
    selected.
    External clock input divided by 16 when UART is selected.
    S
    RDY1
    output enable bit (SRDY)
    0: P4
    7
    pin operates as ordinary I/O pin.
    1: P4
    7
    pin operates as S
    RDY1
    output pin.
    Transmit interrupt source selection bit (TIC)
    0: Interrupt when transmit buffer has emptied
    1: Interrupt when transmit shift operation is completed
    Transmit enable bit (TE)
    0: Transmit disabled
    1: Transmit enabled
    Receive enable bit (RE)
    0: Receive disabled
    1: Receive enabled
    Serial I/O1 mode selection bit (SIOM)
    0: Asynchronous serial I/O (UART)
    1: Clock synchronous serial I/O
    Serial I/O1 enable bit (SIOE)
    0: Serial I/O1 disabled
    (pins P4
    4
    –P4
    7
    operate as ordinary I/O pins)
    1: Serial I/O1 enabled
    (pins P4
    4
    –P4
    7
    operate as serial I/O pins)
    Serial I/O1 control register
    (SIO1CON : address 001A
    16
    )
    b7
    b0
    Transmit buffer empty flag (TBE)
    0: Buffer full
    1: Buffer empty
    Receive buffer full flag (RBF)
    0: Buffer empty
    1: Buffer full
    Transmit shift register shift completion flag (TSC)
    0: Transmit shift in progress
    1: Transmit shift completed
    Overrun error flag (OE)
    0: No error
    1: Overrun error
    Parity error flag (PE)
    0: No error
    1: Parity error
    Framing error flag (FE)
    0: No error
    1: Framing error
    Summing error flag (SE)
    0: OE U PE U FE =0
    1: OE U PE U FE =1
    Not used (returns “1” when read)
    Serial I/O1 status register
    (SIO1STS : address 0019
    16
    )
    b7
    b0
    UART control register
    (UARTCON : address 001B
    16
    )
    Character length selection bit (CHAS)
    0: 8 bits
    1: 7 bits
    Parity enable bit (PARE)
    0: Parity checking disabled
    1: Parity checking enabled
    Parity selection bit (PARS)
    0: Even parity
    1: Odd parity
    Stop bit length selection bit (STPS)
    0: 1 stop bit
    1: 2 stop bits
    P4
    5
    /T
    X
    D P-channel output disable bit (POFF)
    0: CMOS output (in output mode)
    1: N-channel open-drain output (in output mode)
    Not used (return “1” when read)
    b7
    b0
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