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    • 參數(shù)資料
      型號: MPC8548ECVTATGB
      廠商: Freescale Semiconductor
      文件頁數(shù): 109/151頁
      文件大小: 0K
      描述: MPU POWERQUICC III 783-PBGA
      產(chǎn)品培訓模塊: MPC8548 PowerQUICC III Processors
      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: 783-BBGA,F(xiàn)CBGA
      供應商設備封裝: 783-FCPBGA(29x29)
      包裝: 托盤
      MPC8548E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 9
      60
      Freescale Semiconductor
      PCI/PCI-X
      15 PCI/PCI-X
      This section describes the DC and AC electrical specifications for the PCI/PCI-X bus of the device.
      Note that the maximum PCI-X frequency in synchronous mode is 110 MHz.
      15.1
      PCI/PCI-X DC Electrical Characteristics
      This table provides the DC electrical characteristics for the PCI/PCI-X interface.
      15.2
      PCI/PCI-X AC Electrical Specifications
      This section describes the general AC timing parameters of the PCI/PCI-X bus. Note that the clock
      reference CLK is represented by SYSCLK when the PCI controller is configured for synchronous mode
      and by PCIn_CLK when it is configured for asynchronous mode.
      Table 50. GPIN DC Electrical Characteristics (2.5 V DC)
      Parameter
      Symbol
      Min
      Max
      Unit
      Supply voltage 2.5 V
      BVDD
      2.37
      2.63
      V
      High-level input voltage
      VIH
      1.70
      BVDD +0.3
      V
      Low-level input voltage
      VIL
      –0.3
      0.7
      V
      Input current
      (BVIN
      1 = 0 V or BV
      IN = BVDD)
      IIH
      —10
      A
      Note:
      1. The symbol BVIN, in this case, represents the BVIN symbol referenced in Table 1.
      Table 51. PCI/PCI-X DC Electrical Characteristics1
      Parameter
      Symbol
      Min
      Max
      Unit
      Notes
      High-level input voltage
      VIH
      2OVDD + 0.3
      V
      Low-level input voltage
      VIL
      –0.3
      0.8
      V
      Input current (VIN = 0 V or VIN = VDD)IIN
      —±5
      A2
      High-level output voltage (OVDD = min, IOH = –2 mA)
      VOH
      2.4
      V
      Low-level output voltage (OVDD = min, IOL = 2 mA)
      VOL
      —0.4
      V
      Notes:
      1. Ranges listed do not meet the full range of the DC specifications of the PCI 2.2 Local Bus Specifications.
      2. The symbol VIN, in this case, represents the OVIN symbol referenced in Table 1 and Table 2.
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