• 參數(shù)資料
    型號: PSD835F1V-A-20M
    廠商: 意法半導體
    英文描述: Configurable Memory System on a Chip for 8-Bit Microcontrollers
    中文描述: 在8片位微控制器可配置存儲系統(tǒng)
    文件頁數(shù): 76/110頁
    文件大?。?/td> 570K
    代理商: PSD835F1V-A-20M
    PSD835G2
    PSD8XX Family
    75
    Figure 30a. PLD I
    CC
    /Frequency Consumption
    (PSD835G2V Versions, V
    CC
    = 3 V)
    0
    10
    20
    30
    40
    50
    60
    V
    CC
    = 3V
    0
    10
    15
    5
    20
    25
    I
    C
    TURBO ON (100%)
    TURBO ON (25%)
    TURBOOF
    TURBO OFF
    HIGHEST COMPOSITE FREQUENCY AT PLD INPUTS (MHz)
    PT 100%
    PT 25%
    Conditions
    Highest Composite PLD input frequency
    (Freq PLD)
    MCU ALE frequency (Freq ALE)
    % Flash Access
    % SRAM access
    % I/O access
    Operational Modes
    % Normal
    % Power Down Mode
    Number of product terms used
    (from fitter report)
    % of total product terms
    Turbo Mode
    Calculation (typical numbers used)
    I
    CC
    total = Ipwrdown x %pwrdown + %normal x
    (
    I
    CC
    (ac) + I
    CC
    (dc)
    )
    = Ipwrdown x %pwrdown + % normal x (%flash x 2.5 mA/MHz x Freq ALE
    + %SRAM x 1.5 mA/MHz x Freq ALE
    + % PLD x 2 mA/MHz x Freq PLD
    + #PT x 400 μA/PT
    = 50 μA x 0.90 + 0.1 x (0.8 x 2.5 mA/MHz x 4 MHz
    + 0.15 x 1.5 mA/MHz x 4 MHz
    +2 mA/MHz x 8 MHz
    + 45 x 0.4 mA/PT)
    = 45 μA + 0.1 x (8 + 0.9 + 16 + 18 mA)
    = 45 μA + 0.1 x 42.9
    = 45 μA + 4.29 mA
    = 4.34 mA
    This is the operating power with no Flash writes or erases. Calculation is based
    on I
    OUT
    = 0 mA.
    =
    =
    =
    =
    =
    8 MHz
    4 MHz
    80%
    15%
    5% (no additional power above base)
    =
    =
    10%
    90%
    =
    =
    =
    45 PT
    45/193 = 23.3%
    ON
    Example of PSD835G2 Typical Power Calculation at V
    CC
    = 5.0 V
    AC/DC
    Parameters
    (cont.)
    相關PDF資料
    PDF描述
    PSD835F1V-A-20MI Configurable Memory System on a Chip for 8-Bit Microcontrollers
    PSD835F1V-A-20U Configurable Memory System on a Chip for 8-Bit Microcontrollers
    PSD835F1V-B-12M Configurable Memory System on a Chip for 8-Bit Microcontrollers
    PSD835F1V-B-12MI Configurable Memory System on a Chip for 8-Bit Microcontrollers
    PSD835F1V-B-12U Configurable Memory System on a Chip for 8-Bit Microcontrollers
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