• 參數(shù)資料
    型號: MPC8272ZQI
    廠商: Motorola, Inc.
    英文描述: MPC8272 PowerQUICC II Family Hardware Specifications
    中文描述: MPC8272的PowerQUICC II系列硬件規(guī)格
    文件頁數(shù): 23/56頁
    文件大?。?/td> 539K
    代理商: MPC8272ZQI
    23
    MPC8272 PowerQUICC II Family Hardware Specifications
    PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
    For More Information On This Product,
    Go to: www.freescale.com
    MOTOROLA
    Clock Configuration Modes
    Table 15. Clock Configurations for PCI Host Mode (PCI_MODCK=0)
    1, 2
    Mode
    3
    Bus Clock
    (MHz)
    CPM
    Multiplication
    Factor
    4
    CPM Clock
    (MHz)
    CPU
    Multiplication
    Factor
    5
    CPU Clock
    (MHz)
    PCI
    Division
    Factor
    PCI Clock
    (MHz)
    MODCK_H-
    MODCK[1-3]
    Low
    High
    Low
    High
    Low
    High
    Low
    High
    Default Modes (MODCK_H=0000)
    0000_000
    50.0
    66.7
    2
    100.0 133.3
    2.5
    125.0 166.7
    2
    50.0
    66.7
    0000_001
    50.0
    66.7
    2
    100.0 133.3
    3
    150.0 200.0
    2
    50.0
    66.7
    0000_010
    60.0
    80.0
    2.5
    150.0 200.0
    3
    180.0 240.0
    3
    50.0
    66.7
    0000_011
    71.4
    80.0
    2.5
    178.6 200.0
    3.5
    250.0 280.0
    3
    59.5
    66.7
    0000_100
    62.5
    80.0
    2.5
    156.3 200.0
    4
    250.0 320.0
    3
    52.1
    66.7
    0000_101
    50.0
    66.7
    3
    150.0 200.0
    3
    150.0 200.0
    3
    50.0
    66.7
    0000_110
    PCI host mode (PCI_MODCK=1) only (refer to Table 16)
    0000_111
    62.5
    66.7
    3
    187.5 200.0
    4
    250.0 266.6
    3
    62.5
    66.7
    Full Configuration Modes
    0001_000
    50.0
    66.7
    3
    150.0 200.0
    5
    250.0 333.3
    3
    50.0
    66.7
    0001_001
    50.0
    66.7
    3
    150.0 200.0
    6
    300.0 400.0
    3
    50.0
    66.7
    0001_010
    50.0
    66.7
    3
    150.0 200.0
    7
    350.0 466.6
    3
    50.0
    66.7
    0001_011
    50.0
    66.7
    3
    150.0 200.0
    8
    400.0 533.3
    3
    50.0
    66.7
    0010_000
    50.0
    66.7
    4
    200.0 266.6
    5
    250.0 333.3
    4
    50.0
    66.7
    0010_001
    50.0
    66.7
    4
    200.0 266.6
    6
    300.0 400.0
    4
    50.0
    66.7
    0010_010
    50.0
    66.7
    4
    200.0 266.6
    7
    350.0 466.6
    4
    50.0
    66.7
    0010_011
    50.0
    66.7
    4
    200.0 266.6
    8
    400.0 533.3
    4
    50.0
    66.7
    0010_100
    75.0
    100.0
    4
    300.0 400.0
    5
    375.0 500.0
    6
    50.0
    66.7
    0010_101
    75.0
    100.0
    4
    300.0 400.0
    5.5
    412.5 549.9
    6
    50.0
    66.7
    0010_110
    75.0
    100.0
    4
    300.0 400.0
    6
    450.0 599.9
    6
    50.0
    66.7
    0011_000
    50.0
    66.7
    5
    250.0 333.3
    5
    250.0 333.3
    5
    50.0
    66.7
    0011_001
    50.0
    66.7
    5
    250.0 333.3
    6
    300.0 400.0
    5
    50.0
    66.7
    0011_010
    50.0
    66.7
    5
    250.0 333.3
    7
    350.0 466.6
    5
    50.0
    66.7
    0011_011
    50.0
    66.7
    5
    250.0 333.3
    8
    400.0 533.3
    5
    50.0
    66.7
    0100_000
    Reserved
    0100_001
    50.0
    66.7
    6
    300.0 400.0
    6
    300.0 400.0
    6
    50.0
    66.7
    F
    Freescale Semiconductor, Inc.
    n
    .
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