參數(shù)資料
      型號(hào): MPC8271CZQP
      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): 28/56頁
      文件大?。?/td> 539K
      代理商: MPC8271CZQP
      28
      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
      0100_010
      35.7
      50.0
      6
      214.3 300.0
      7
      250.0 350.0
      6
      35.7
      50.0
      0100_011
      31.3
      50.0
      6
      187.5 300.0
      8
      250.0 400.0
      6
      31.3
      50.0
      0101_000
      50.0
      100.0
      2
      100.0 200.0
      2.5
      125.0 250.0
      4
      25.0
      50.0
      0101_001
      50.0
      100.0
      2
      100.0 200.0
      3
      150.0 300.0
      4
      25.0
      50.0
      0101_010
      71.4
      100.0
      2
      142.9 200.0
      3.5
      250.0 350.0
      4
      35.7
      50.0
      0101_011
      62.5
      100.0
      2
      125.0 200.0
      4
      250.0 400.0
      4
      31.3
      50.0
      0101_100
      55.6
      100.0
      2
      111.1 200.0
      4.5
      250.0 450.0
      4
      27.8
      50.0
      0101_101
      71.4
      83.3
      3
      214.3 250.0
      3.5
      250.0 291.7
      5
      42.9
      50.0
      0101_110
      62.5
      83.3
      3
      187.5 250.0
      4
      250.0 333.3
      5
      37.5
      50.0
      0101_111
      55.6
      83.3
      3
      166.7 250.0
      4.5
      250.0 375.0
      5
      33.3
      50.0
      0110_000
      60.0
      120.0
      2.5
      150.0 300.0
      2.5
      150.0 300.0
      6
      25.0
      50.0
      0110_001
      60.0
      120.0
      2.5
      150.0 300.0
      3
      180.0 360.0
      6
      25.0
      50.0
      0110_010
      71.4
      120.0
      2.5
      178.6 300.0
      3.5
      250.0 420.0
      6
      29.8
      50.0
      0110_011
      62.5
      120.0
      2.5
      156.3 300.0
      4
      250.0 480.0
      6
      26.0
      50.0
      0110_100
      60.0
      120.0
      2.5
      150.0 300.0
      4.5
      270.0 540.0
      6
      25.0
      50.0
      0110_101
      60.0
      120.0
      2.5
      150.0 300.0
      5
      300.0 600.0
      6
      25.0
      50.0
      0110_110
      60.0
      120.0
      2.5
      150.0 300.0
      6
      360.0 720.0
      6
      25.0
      50.0
      0111_000
      Reserved
      0111_001
      50.0
      100.0
      3
      150.0 300.0
      3
      150.0 300.0
      6
      25.0
      50.0
      0111_010
      71.4
      100.0
      3
      214.3 300.0
      3.5
      250.0 350.0
      6
      35.7
      50.0
      0111_011
      62.5
      100.0
      3
      187.5 300.0
      4
      250.0 400.0
      6
      31.3
      50.0
      0111_100
      55.6
      100.0
      3
      166.7 300.0
      4.5
      250.0 450.0
      6
      27.8
      50.0
      1000_000
      Reserved
      1000_001
      66.7
      133.3
      3
      200.0 400.0
      3
      200.0 400.0
      8
      25.0
      50.0
      1000_010
      71.4
      133.3
      3
      214.3 400.0
      3.5
      250.0 466.7
      8
      26.8
      50.0
      1000_011
      66.7
      133.3
      3
      200.0 400.0
      4
      266.7 533.3
      8
      25.0
      50.0
      Table 16. Clock Configurations for PCI Host Mode (PCI_MODCK=1)
      1, 2
      (continued)
      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
      F
      Freescale Semiconductor, Inc.
      n
      .
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