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  • 參數(shù)資料
    型號: XPC850DEVR50BU
    廠商: Freescale Semiconductor
    文件頁數(shù): 8/72頁
    文件大?。?/td> 0K
    描述: IC MPU POWERQUICC 50MHZ 256-PBGA
    標準包裝: 60
    系列: MPC8xx
    處理器類型: 32-位 MPC8xx PowerQUICC
    速度: 50MHz
    電壓: 3.3V
    安裝類型: 表面貼裝
    封裝/外殼: 256-LBGA
    供應商設備封裝: 256-PBGA(23x23)
    包裝: 托盤
    MPC850 PowerQUICC Integrated Communications Processor Hardware Specifications, Rev. 2
    16
    Freescale Semiconductor
    Bus Signal Timing
    B31
    CLKOUT falling edge to CS
    valid - as requested by control
    bit CST4 in the corresponding
    word in the UPM
    1.50
    6.00
    1.50
    6.00
    1.50
    6.00
    50.00
    ns
    B31a
    CLKOUT falling edge to CS
    valid - as requested by control
    bit CST1 in the corresponding
    word in the UPM
    5.00
    12.00
    8.00
    14.00
    6.00
    13.00
    0.250
    50.00
    ns
    B31b
    CLKOUT rising edge to CS valid
    - as requested by control bit
    CST2 in the corresponding
    word in the UPM
    1.50
    8.00
    1.50
    8.00
    1.50
    8.00
    50.00
    ns
    B31c
    CLKOUT rising edge to CS valid
    - as requested by control bit
    CST3 in the corresponding
    word in the UPM
    5.00
    12.00
    8.00
    14.00
    6.00
    13.00
    0.250
    50.00
    ns
    B31d
    CLKOUT falling edge to CS
    valid - as requested by control
    bit CST1 in the corresponding
    word in the UPM EBDF = 1
    9.00
    14.00 13.00 18.00
    11.00
    16.00
    0.375
    50.00
    ns
    B32
    CLKOUT falling edge to BS
    valid - as requested by control
    bit BST4 in the corresponding
    word in the UPM
    1.50
    6.00
    1.50
    6.00
    1.50
    6.00
    50.00
    ns
    B32a
    CLKOUT falling edge to BS
    valid - as requested by control
    bit BST1 in the corresponding
    word in the UPM, EBDF = 0
    5.00
    12.00
    8.00
    14.00
    6.00
    13.00
    0.250
    50.00
    ns
    B32b
    CLKOUT rising edge to BS valid
    - as requested by control bit
    BST2 in the corresponding
    word in the UPM
    1.50
    8.00
    1.50
    8.00
    1.50
    8.00
    50.00
    ns
    B32c
    CLKOUT rising edge to BS valid
    - as requested by control bit
    BST3 in the corresponding
    word in the UPM
    5.00
    12.00
    8.00
    14.00
    6.00
    13.00
    0.250
    50.00
    ns
    B32d
    CLKOUT falling edge to BS
    valid - as requested by control
    bit BST1 in the corresponding
    word in the UPM, EBDF = 1
    9.00
    14.00 13.00 18.00
    11.00
    16.00
    0.375
    50.00
    ns
    B33
    CLKOUT falling edge to GPL
    valid - as requested by control
    bit GxT4 in the corresponding
    word in the UPM
    1.50
    6.00
    1.50
    6.00
    1.50
    6.00
    50.00
    ns
    Table 6. Bus Operation Timing 1 (continued)
    Num
    Characteristic
    50 MHz
    66 MHz
    80 MHz
    FFACT
    Cap Load
    (default
    50 pF)
    Unit
    Min
    Max
    Min
    Max
    Min
    Max
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