We can decrypt secured MCU ATMEGA128P code, please view the secured MCU ATMEGA128P features for your reference:
The following charts show typical behavior. These data are characterized but not tested. All current consumption measurements are performed with all I/O pins configured as inputs and with internal pull-ups enabled.

The current consumption is a function of several factors such as: Operating voltage, operating frequency, loading of I/O pins, switching rate of I/O pins, code executed and ambient temperature. The dominating factors are operating voltage and frequency if Decrypt Secured MCU ATMEGA128P Code.

The current drawn from capacitive loaded pins may be estimated (for one pin) as CL·VCC·f where CL = load capacitance, VCC = operating voltage and f = average switching frequency of I/O pin.

The difference between current consumption in Power-down mode with Watchdog Timer enabled and Power-down mode with Watchdog Timer disabled represents the differential current drawn by the Watchdog Timer after Decrypt Secured MCU ATMEGA128P Code.
The ATMEGA128P is a low-power, high-performance CMOS 8-bit microcomputer with 12K bytes of Downloadable Flash codemable and erasable read only memory.

The device is manufactured using Atmel’s high density nonvolatile memory technology and is compatible with the industry standard 80C51 instruction set and pinout.

The onsecured MCU Downloadable Flash allows the code memory to be recodemed in-system through an SPI serial interface or by a conventional nonvolatile memory codemer before Decrypt Secured MCU ATMEGA128P Code.

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