Atmel ICE "Read voltage -5.0v"

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I used Atmel ICE on Ubuntu 20.04 with make and avrdude, then when I used it in Microchip Studio 7 on Windows 10, it couldn't be attached, when I altered to Atmel Studio 7 on Windows 10, it could be identified by it shown:

 

 

and the Red LED on ICE was opened, the green on never lighted. Ask for solution...

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Last Edited: Fri. Apr 9, 2021 - 12:54 AM
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How are you powering your Atmega328P ? Check the wiring of atmel ICE, -5V suggests the VCC and GND of atmel ICE are swapped.

“Everyone knows that debugging is twice as hard as writing a program in the first place. So if you're as clever as you can be when you write it, how will you ever debug it?” - Brian W. Kernighan
“Perfection is achieved, not when there is nothing more to add, but when there is nothing left to take away.” - Antoine de Saint-Exupery

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Reverse your 2x3 ISP connector, it's on backwards!

 

 

FF = PI > S.E.T

 

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ki0bk wrote:

Reverse your 2x3 ISP connector, it's on backwards!

 

Right!