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Help to do "sleep" mode

skinz head

Hi..how can i do a "sleep" mode for 8051?

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  • 0 in reply to Bradford Al

    "I don't know the reason but these devices will have a HIGHER idle current in the sleep mode than running at a low osc value."

    Not being familiar with this device I don't know for sure, but I would guess that this is because the peripheral clocks are still running when in idle mode. Therefore, if you enter idle with a fast oscillator you may well see higher power consumption than just reducing the clock speed. If you reduce the clock and then enter idle you should get the lowest power consumption.

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  • 0 in reply to Bradford Al

    "I don't know the reason but these devices will have a HIGHER idle current in the sleep mode than running at a low osc value."

    Not being familiar with this device I don't know for sure, but I would guess that this is because the peripheral clocks are still running when in idle mode. Therefore, if you enter idle with a fast oscillator you may well see higher power consumption than just reducing the clock speed. If you reduce the clock and then enter idle you should get the lowest power consumption.

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