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    參數(shù)資料
    型號(hào)： MC80C52XXX-36/883D
    廠商： TEMIC SEMICONDUCTORS
    元件分類： 微控制器/微處理器
    英文描述： 8-BIT, MROM, 36 MHz, MICROCONTROLLER, CDIP40
    文件頁數(shù)： 10/109頁
    文件大?。?/td> 10824K
    代理商： MC80C52XXX-36/883D
    14
    AT32UC3A
    6.2
    Voltage Regulator
    6.2.1
    Single Power Supply
    The AT32UC3A embeds a voltage regulator that converts from 3.3V to 1.8V. The regulator takes
    its input voltage from VDDIN, and supplies the output voltage on VDDOUT. VDDOUT should be
    externally connected to the 1.8V domains.
    Adequate input supply decoupling is mandatory for VDDIN in order to improve startup stability
    and reduce source voltage drop. Two input decoupling capacitors must be placed close to the
    chip.
    Adequate output supply decoupling is mandatory for VDDOUT to reduce ripple and avoid oscil-
    lations. The best way to achieve this is to use two capacitors in parallel between VDDOUT and
    GND as close to the chip as possible
    Refer to Section 38.3 on page 765 for decoupling capacitors values and regulator characteristics
    6.2.2
    Dual Power Supply
    In case of dual power supply, VDDIN and VDDOUT should be connected to ground to prevent
    from leakage current.
    3.3V
    1.8V
    VDDIN
    VDDOUT
    1.8V
    Regulator
    C
    IN1
    C
    OUT1
    C
    OUT2
    C
    IN2
    VDDIN
    VDDOUT
    32058K
    AVR32-01/12
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