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    參數(shù)資料
    型號(hào): MPC8347ECZUADF
    廠商: FREESCALE SEMICONDUCTOR INC
    元件分類: 微控制器/微處理器
    英文描述: 32-BIT, 266 MHz, RISC PROCESSOR, PBGA672
    封裝: 35 X 35 MM, 1.46 MM HEIGHT, 1 MM PITCH, TBGA-672
    文件頁數(shù): 17/102頁
    文件大?。?/td> 1094K
    代理商: MPC8347ECZUADF
    MPC8347E PowerQUICC II Pro Integrated Host Processor Hardware Specifications, Rev. 11
    Freescale Semiconductor
    21
    DUART
    7DUART
    This section describes the DC and AC electrical specifications for the DUART interface of the
    MPC8347E.
    7.1
    DUART DC Electrical Characteristics
    Table 17 provides the DC electrical characteristics for the DUART interface of the MPC8347E.
    7.2
    DUART AC Electrical Specifications
    Table 18 provides the AC timing parameters for the DUART interface of the MPC8347E.
    Table 17. DUART DC Electrical Characteristics
    Parameter
    Symbol
    Min
    Max
    Unit
    High-level input voltage
    VIH
    2OVDD + 0.3
    V
    Low-level input voltage
    VIL
    –0.3
    0.8
    V
    Input current (0.8 V
    ≤ VIN ≤ 2 V)
    IIN
    —±5
    μA
    High-level output voltage, IOH = –100 μAVOH
    OVDD – 0.2
    V
    Low-level output voltage, IOL = 100 μAVOL
    —0.2
    V
    Table 18. DUART AC Timing Specifications
    Parameter
    Value
    Unit
    Notes
    Minimum baud rate
    256
    baud
    Maximum baud rate
    >1,000,000
    baud
    1
    Oversample rate
    16
    2
    Notes:
    1. Actual attainable baud rate will be limited by the latency of interrupt processing.
    2. The middle of a start bit is detected as the 8th sampled 0 after the 1-to-0 transition of the start bit. Subsequent bit values are
    sampled each 16th sample.
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