• 參數(shù)資料
    型號(hào): KMPC850DEVR80BU
    廠商: Freescale Semiconductor
    文件頁數(shù): 9/72頁
    文件大小: 0K
    描述: IC MPU PWRQUICC 80MHZ 256-PBGA
    標(biāo)準(zhǔn)包裝: 2
    系列: MPC8xx
    處理器類型: 32-位 MPC8xx PowerQUICC
    速度: 80MHz
    電壓: 3.3V
    安裝類型: 表面貼裝
    封裝/外殼: 256-BGA
    供應(yīng)商設(shè)備封裝: 256-PBGA(23x23)
    包裝: 托盤
    MPC850 PowerQUICC Integrated Communications Processor Hardware Specifications, Rev. 2
    Freescale Semiconductor
    17
    Bus Signal Timing
    B33a
    CLKOUT rising edge to GPL
    valid - as requested by control
    bit GxT3 in the corresponding
    word in the UPM
    5.00
    12.00
    8.00
    14.00
    6.00
    13.00
    0.250
    50.00
    ns
    B34
    A[6–31] and D[0–31] to CS valid
    - as requested by control bit
    CST4 in the corresponding
    word in the UPM
    3.00
    6.00
    4.00
    0.250
    50.00
    ns
    B34a
    A[6–31] and D[0–31] to CS valid
    - as requested by control bit
    CST1 in the corresponding
    word in the UPM
    8.00
    13.00
    11.00
    0.500
    50.00
    ns
    B34b
    A[6–31] and D[0–31] to CS valid
    - as requested by CST2 in the
    corresponding word in UPM
    13.00
    21.00
    17.00
    0.750
    50.00
    ns
    B35
    A[6–31] to CS valid - as
    requested by control bit BST4 in
    the corresponding word in UPM
    3.00
    6.00
    4.00
    0.250
    50.00
    ns
    B35a
    A[6–31] and D[0–31] to BS valid
    - as requested by BST1 in the
    corresponding word in the UPM
    8.00
    13.00
    11.00
    0.500
    50.00
    ns
    B35b
    A[6–31] and D[0–31] to BS valid
    - as requested by control bit
    BST2 in the corresponding
    word in the UPM
    13.00
    21.00
    17.00
    0.750
    50.00
    ns
    B36
    A[6–31] and D[0–31] to GPL
    valid - as requested by control
    bit GxT4 in the corresponding
    word in the UPM
    3.00
    6.00
    4.00
    0.250
    50.00
    ns
    B37
    UPWAIT valid to CLKOUT
    falling edge 10
    6.00
    6.00
    6.00
    50.00
    ns
    B38
    CLKOUT falling edge to
    UPWAIT valid 10
    1.00
    1.00
    1.00
    50.00
    ns
    B39
    AS valid to CLKOUT rising edge
    11
    7.00
    7.00
    7.00
    50.00
    ns
    B40
    A[6–31], TSIZ[0–1], RD/WR,
    BURST, valid to CLKOUT rising
    edge.
    7.00
    7.00
    7.00
    50.00
    ns
    B41
    TS valid to CLKOUT rising edge
    (setup time)
    7.00
    7.00
    7.00
    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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