參數(shù)資料
    型號: M38003M5-XXXSS
    廠商: Mitsubishi Electric Corporation
    英文描述: 8-Port Gigabit Ethernet Transceiver 289-BGA
    中文描述: 8位單片機
    文件頁數(shù): 131/173頁
    文件大小: 4203K
    代理商: M38003M5-XXXSS
    3800 GROUP USER’S MANUAL
    3-29
    APPENDIX
    3.5 List of registers
    Fig. 3.5.3 Structure of Transmit/Receive buffer register
    Fig. 3.5.4 Structure of Serial I/O status register
    Transmit/Receive buffer register
    b7 b6 b5 b4 b3 b2 b1 b0
    B
    0
    Function
    At reset
    R W
    1
    2
    3
    4
    6
    7
    Transmit/Receive buffer register
    (TB/RB) [Address : 18
    16
    ]
    A transmission data is written to or a receive data is read out
    from this buffer register.
    At writing : a data is written to the Transmit buffer register.
    At reading : a content of the Receive buffer register is read out.
    5
    Note :
    A content of the Transmit buffer register cannot be read out.
    A data cannot be written to the Receive buffer register.
    b7 b6 b5 b4 b3 b2 b1 b0
    B
    0
    Function
    At reset
    R W
    0
    1
    2
    3
    4
    5
    6
    7
    0
    0
    0
    0
    0
    0
    1
    Serial I/O status reigster (SIOSTS) [Address : 19
    16
    ]
    Name
    Transmit buffer empty flag
    (TBE)
    0 : (OE)
    1 : (OE)
    (PE)
    (PE)
    (FE) = 0
    (FE) = 1
    Overrun error flag (OE)
    0 : Buffer full
    1 : Buffer empty
    0 : Buffer empty
    1 : Buffer full
    0 : Transmit shift in progress
    1 : Transmit shift completed
    0 : No error
    1 : Overrun error
    0 : No error
    1 : Parity error
    0 : No error
    1 : Framing error
    Nothing is allocated for this bit. It is a write disabled bit.
    When this bit is read out, the value is “0.”
    Receive buffer full flag (RBF)
    Transmit shift register shift
    completion flag (TSC)
    Parity error flag (PE)
    Framing error flag (FE)
    Summing error flag (SE)
    Serial I/O status register
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