We can Copy ATMEL ATMEGA162PA Code, please view the ATMEL ATMEGA162PA features for your reference:

There are several issues to consider when trying to minimize the power consumption in an AVR controlled system. In general, sleep modes should be used as much as possible, and the sleep mode should be selected so that as few as possible of the device’s functions are operating when copy atmel code.

All functions not needed should be disabled. In particular, the following modules may need special consideration when trying to achieve the lowest possible power consumption if copy atmel code.

If enabled, the ADC will be enabled in all sleep modes. To save power, the ADC should be disabled before entering any sleep mode. When the ADC is turned off and on again, the next conversion will be an extended conversion. Refer to “Analog to Digital Converter” on page 274 for details on ADC operation before copy atmel code.

When entering Idle mode, the Analog Comparator should be disabled if not used. When entering ADC Noise Reduction mode, the Analog Comparator should be disabled. In other sleep modes, the Analog Comparator is automatically disabled after copy atmel code.

However, if the Analog Comparator is set up to use the Internal Voltage Reference as input, the Analog Comparator should be disabled in all sleep modes. Otherwise, the Internal Voltage Reference will be enabled, independent of sleep mode when copy atmel code.

Refer to “Analog Comparator” on page 271 for details on how to configure the Analog Comparator. If the Brown-out Detector is not needed by the application, this module should be turned off. If the Brown-out Detector is enabled by the BODLEVEL Fuses, it will be enabled in all sleep modes, and hence, always consume power if copy atmel code.

In the deeper sleep modes, this will contribute significantly to the total current consumption.  Refer to “Brown-out Detection” on page 59 for details on how to configure the Brown-out Detector before copy atmel code.

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