The ARM chip is very hot

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hello.

i'm not english.

i connect usb or external power (12v) , without programming arduino due arm chip (the chip, not regulator) heats lot.

i put radiator, it's very hot (50ºc~).

i can program , works ok, it's little strange. arduino due has same problem?

thank you.

there wrong, arm chip shouldn't hot.


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