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    參數(shù)資料
    型號: MPC8545EPXATGB
    廠商: Freescale Semiconductor
    文件頁數(shù): 72/151頁
    文件大?。?/td> 0K
    描述: IC MPU PWRQUICC III 783FCPBGA
    標準包裝: 1
    系列: MPC85xx
    處理器類型: 32-位 MPC85xx PowerQUICC III
    速度: 1.2GHz
    電壓: 1.1V
    安裝類型: 表面貼裝
    封裝/外殼: 689-BBGA 裸露焊盤
    供應商設備封裝: 689-TEPBGA II(31x31)
    包裝: 托盤
    MPC8548E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 9
    Freescale Semiconductor
    27
    Enhanced Three-Speed Ethernet (eTSEC)
    8
    Enhanced Three-Speed Ethernet (eTSEC)
    This section provides the AC and DC electrical characteristics for the enhanced three-speed Ethernet
    controller. The electrical characteristics for MDIO and MDC are specified in Section 9, “Ethernet
    8.1
    Enhanced Three-Speed Ethernet Controller (eTSEC)
    (10/100/1Gb Mbps)—GMII/MII/TBI/RGMII/RTBI/RMII Electrical
    Characteristics
    The electrical characteristics specified here apply to all gigabit media independent interface (GMII), media
    independent interface (MII), ten-bit interface (TBI), reduced gigabit media independent interface
    (RGMII), reduced ten-bit interface (RTBI), and reduced media independent interface (RMII) signals
    except management data input/output (MDIO) and management data clock (MDC). The RGMII and RTBI
    interfaces are defined for 2.5 V, while the GMII, MII, and TBI interfaces can be operated at 3.3 or 2.5 V.
    The GMII, MII, or TBI interface timing is compliant with the IEEE 802.3. The RGMII and RTBI interfaces
    follow the Reduced Gigabit Media-Independent Interface (RGMII) Specification Version 1.3
    (12/10/2000). The RMII interface follows the RMII Consortium RMII Specification Version 1.2
    (3/20/1998). The electrical characteristics for MDIO and MDC are specified in Section 9, “Ethernet
    8.1.1
    eTSEC DC Electrical Characteristics
    All GMII, MII, TBI, RGMII, RMII, and RTBI drivers and receivers comply with the DC parametric
    attributes specified in Table 22 and Table 23. The RGMII and RTBI signals are based on a 2.5-V CMOS
    interface voltage as defined by JEDEC EIA/JESD8-5.
    Table 22. GMII, MII, RMII, and TBI DC Electrical Characteristics
    Parameter
    Symbol
    Min
    Max
    Unit
    Notes
    Supply voltage 3.3 V
    LVDD
    TVDD
    3.13
    3.47
    V
    1, 2
    Output high voltage (LVDD/TVDD = min, IOH = –4.0 mA)
    VOH
    2.40
    LVDD/TVDD + 0.3
    V
    Output low voltage (LVDD/TVDD = min, IOL = 4.0 mA)
    VOL
    GND
    0.50
    V
    Input high voltage
    VIH
    2.0
    LVDD/TVDD + 0.3
    V
    Input low voltage
    VIL
    –0.3
    0.90
    V
    Input high current (VIN = LVDD, VIN = TVDD)IIH
    —40
    A
    1, 2, 3
    Input low current (VIN = GND)
    IIL
    –600
    A—
    Notes:
    1. LVDD supports eTSECs 1 and 2.
    2. TVDD supports eTSECs 3 and 4.
    3. The symbol VIN, in this case, represents the LVIN and TVIN symbols referenced in Table 1 and Table 2.
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