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  • 參數(shù)資料
    型號: MPC8379ECVRAGDA
    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, MICROPROCESSOR, PBGA689
    封裝: 31 X 31 MM, 2.46 MM HEIGHT, 1 MM PITCH, LEAD FREE, PLASTIC, BGA-689
    文件頁數(shù): 42/114頁
    文件大?。?/td> 1337K
    代理商: MPC8379ECVRAGDA
    MPC8379E PowerQUICC II Pro Processor Hardware Specifications, Rev. 2
    Freescale Semiconductor
    33
    Local Bus
    9.2
    USB AC Electrical Specifications
    Table 34 describes the general timing parameters of the USB interface of the device.
    Figure 17 and Figure 18 provide the AC test load and signals for the USB, respectively.
    Figure 17. USB AC Test Load
    Figure 18. USB Interface Timing Diagram
    10 Local Bus
    This section describes the DC and AC electrical specifications for the local bus interface of the
    MPC8379E.
    Table 34. USB General Timing Parameters (ULPI Mode Only)
    Parameter
    Symbol1
    Min
    Max
    Unit
    USB clock cycle time
    tUSCK
    15
    ns
    Input setup to USB clock—all inputs
    tUSIVKH
    4—
    ns
    input hold to USB clock—all inputs
    tUSIXKH
    1—
    ns
    USB clock to output valid—all outputs
    tUSKHOV
    —7
    ns
    Output hold from USB clock—all outputs
    tUSKHOX
    2—
    ns
    Output
    Z0 = 50 Ω
    OVDD/2
    RL = 50 Ω
    Output Signals
    tUSKHOV
    USBDR_CLK
    Input Signals
    tUSIXKH
    tUSIVKH
    tUSKHOX
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