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    參數(shù)資料
    型號: ST7LITE19F1B6
    英文描述: FUSE CLIP 3AG SLDR LUG TIN BRASS
    中文描述: ST7LITE1 - 8單電壓閃存EEPROM的MEMORY.DATA位MCU。 ADC的。 4定時器。的SPI
    文件頁數(shù): 37/122頁
    文件大?。?/td> 1716K
    代理商: ST7LITE19F1B6
    ST7LITE0, ST7SUPERLITE
    37/122
    POWER SAVING MODES
    (Cont’d)
    9.3 WAIT MODE
    WAIT mode places the MCU in a low power con-
    sumption mode by stopping the CPU.
    This power saving mode is selected by calling the
    ‘WFI’ instruction.
    All peripherals remain active. During WAIT mode,
    the I bit of the CC register is cleared, to enable all
    interrupts. All other registers and memory remain
    unchanged. The MCU remains in WAIT mode until
    an interrupt or RESET occurs, whereupon the Pro-
    gram Counter branches to the starting address of
    the interrupt or Reset service routine.
    The MCU will remain in WAIT mode until a Reset
    or an Interrupt occurs, causing it to wake up.
    Refer to
    Figure 23
    .
    Figure 23. WAIT Mode Flow-chart
    Note:
    1.
    Before servicing an interrupt, the CC register is
    pushed on the stack. The I bit of the CC register is
    set during the interrupt routine and cleared when
    the CC register is popped.
    WFI
    INSTRUCTION
    RESET
    INTERRUPT
    Y
    N
    N
    Y
    CPU
    I BIT
    OSCILLATOR
    PERIPHERALS
    ON
    ON
    OFF
    0
    FETCH RESET VECTOR
    OR SERVICE INTERRUPT
    CPU
    I BIT
    OSCILLATOR
    PERIPHERALS
    ON
    OFF
    ON
    0
    CPU
    I BIT
    OSCILLATOR
    PERIPHERALS
    ON
    ON
    ON
    X
    1)
    256 CPU CLOCK CYCLE
    DELAY
    1
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