參數(shù)資料
      型號(hào): MPC8280CVVTPEX
      廠商: FREESCALE SEMICONDUCTOR INC
      元件分類(lèi): 微控制器/微處理器
      英文描述: 32-BIT, 400 MHz, RISC PROCESSOR, PBGA480
      封裝: 37.50 X 37.50 MM, 1.55 MM HEIGHT, 1.27 MM PITCH, LEAD FREE, TBGA-480
      文件頁(yè)數(shù): 25/80頁(yè)
      文件大?。?/td> 536K
      代理商: MPC8280CVVTPEX
      MPC8280 PowerQUICC II Family Hardware Specifications, Rev. 1.8
      Freescale Semiconductor
      31
      Clock Configuration Modes
      Table 18. Clock Configurations for PCI Host Mode (PCI_MODCK=1) 1, 2
      Mode 3
      Bus Clock 4
      (MHz)
      CPM
      Multiplication
      Factor 5
      CPM Clock
      (MHz)
      CPU
      Multiplication
      Factor 6
      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
      60.0
      100.0
      2
      120.0 200.0
      2.5
      150.0 250.0
      4
      30.0
      50.0
      0000_001
      50.0
      100.0
      2
      100.0 200.0
      3
      150.0 300.0
      4
      25.0
      50.0
      0000_010
      60.0
      120.0
      2.5
      150.0 300.0
      3
      180.0 360.0
      6
      25.0
      50.0
      0000_011
      60.0
      120.0
      2.5
      150.0 300.0
      3.5
      210.0 420.0
      6
      25.0
      50.0
      0000_100
      60.0
      120.0
      2.5
      150.0 300.0
      4
      240.0 480.0
      6
      25.0
      50.0
      0000_101
      50.0
      100.0
      3
      150.0 300.0
      3
      150.0 300.0
      6
      25.0
      50.0
      0000_110
      50.0
      100.0
      3
      150.0 300.0
      3.5
      175.0 350.0
      6
      25.0
      50.0
      0000_111
      50.0
      100.0
      3
      150.0 300.0
      4
      200.0 400.0
      6
      25.0
      50.0
      Full Configuration Modes
      0001_000
      50.0
      100.0
      3
      150.0 300.0
      5
      250.0 500.0
      6
      25.0
      50.0
      0001_001
      50.0
      100.0
      3
      150.0 300.0
      6
      300.0 600.0
      6
      25.0
      50.0
      0001_010
      50.0
      100.0
      3
      150.0 300.0
      7
      350.0 700.0
      6
      25.0
      50.0
      0001_011
      50.0
      100.0
      3
      150.0 300.0
      8
      400.0 800.0
      6
      25.0
      50.0
      0010_000
      50.0
      100.0
      4
      200.0 400.0
      5
      250.0 500.0
      8
      25.0
      50.0
      0010_001
      50.0
      100.0
      4
      200.0 400.0
      6
      300.0 600.0
      8
      25.0
      50.0
      0010_010
      50.0
      100.0
      4
      200.0 400.0
      7
      350.0 700.0
      8
      25.0
      50.0
      0010_011
      50.0
      100.0
      4
      200.0 400.0
      8
      400.0 800.0
      8
      25.0
      50.0
      0010_100
      37.5
      75.0
      4
      150.0 300.0
      5
      187.5 375.0
      6
      25.0
      50.0
      0010_101
      37.5
      75.0
      4
      150.0 300.0
      5.5
      206.3 412.5
      6
      25.0
      50.0
      0010_110
      37.5
      75.0
      4
      150.0 300.0
      6
      225.0 450.0
      6
      25.0
      50.0
      0011_000
      30.0
      50.0
      5
      150.0 250.0
      5
      150.0 250.0
      5
      30.0
      50.0
      0011_001
      25.0
      50.0
      5
      125.0 250.0
      6
      150.0 300.0
      5
      25.0
      50.0
      0011_010
      25.0
      50.0
      5
      125.0 250.0
      7
      175.0 350.0
      5
      25.0
      50.0
      0011_011
      25.0
      50.0
      5
      125.0 250.0
      8
      200.0 400.0
      5
      25.0
      50.0
      0100_000
      Reserved
      0100_001
      25.0
      50.0
      6
      150.0 300.0
      6
      150.0 300.0
      6
      25.0
      50.0
      0100_010
      25.0
      50.0
      6
      150.0 300.0
      7
      175.0 350.0
      6
      25.0
      50.0
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