Measuring the Atmel ATmega1284P power consumption

As part of an evaluation of the Atmel ATmega1284P it can be of interest to measure its power consumption. The 2-pin power measurement header is the only connection between the common power plane VCC_P3V3 and the VCC_MCU_P3V3 power plane. By replacing the jumper with an ampere meter it is possible to determine the current consumption of the Atmel ATmega1284P. To locate the power measurement header, refer to Figure 1.


Do not power the board without having the jumper, or ampere meter, mounted on the power measurement header, otherwise the device may be damaged. The power measurement header is located next to the USB connector as shown in Figure 1.