Cannot read and program ATMEGA328P

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gpezzella
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Joined: Wed. Jul 25, 2007
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Posted by gpezzella: Tue. Sep 6, 2016 - 03:35 PM
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Hello

This  screenshot  come from my signal analize.

 

It  show MISO SCK MOSI and RESET signal.

 

What could be the cause of  SCK and MISO signal fail?

 

Integrate is TQFP type.

 

Thanks

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Tags:

AVR Microcontrollers, megaAVR and tinyAVR
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clawson
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Joined: Mon. Jul 18, 2005
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Location: (using avr-gcc in) Finchingfield, Essex, England
Posted by clawson: Tue. Sep 6, 2016 - 03:42 PM
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SCK looks like two outputs having a battle! We're going to have to see a schematic for this.

Last Edited: Tue. Sep 6, 2016 - 03:43 PM
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