XNANO mEDBG and ISP

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poftamunk
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Location: Continental Europe
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Posted by poftamunk: Mon. Feb 22, 2021 - 05:21 PM
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The UPDI programming part of the ATtiny416 Xplained Nano Evaluation Kit works fine, the target UPDI AVR is powered with 5V, and it should be very convenient for stand-alone MCUs.

Now I intend to start programming in circuits powered with 3V.

What do you think, is it possible to modify the ATTINY416-XNANO?

 

 

The truth is more important than the facts.

Tags:

Tools, Evaluation and Development Kits (AVR-related), # UPDI # Programming, mEDBG, nEDBG, AVR DB, Curiosity Nano, ATmega32U4, AVR128DB48, ATtiny416
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Bronze Markawneil
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Joined: Fri. Jul 1, 2005
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Location: Basingstoke, Hampshire, UK
Posted by awneil: Mon. Feb 22, 2021 - 05:34 PM
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What does the user guide tell you?

 

Have you looked at the schematics?

 

 

Top Tips:

  1. How to properly post source code - see: https://www.avrfreaks.net/comment... - also how to properly include images/pictures
  2. "Garbage" characters on a serial terminal are (almost?) invariably due to wrong baud rate - see: https://learn.sparkfun.com/tutorials/serial-communication
  3. Wrong baud rate is usually due to not running at the speed you thought; check by blinking a LED to see if you get the speed you expected
  4. Difference between a crystal, and a crystal oscillator: https://www.avrfreaks.net/comment...
  5. When your question is resolved, mark the solution: https://www.avrfreaks.net/comment...
  6. Beginner's "Getting Started" tips: https://www.avrfreaks.net/comment...
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gchapman
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Location: Clay County, Texas, u.S.A.
Posted by gchapman: Mon. Feb 22, 2021 - 05:43 PM
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nEDBG has level translation though at twice the price.

Schematic | AVR128DB48 Curiosity Nano Hardware User Guide

Programming External Microcontrollers | AVR128DB48 Curiosity Nano Hardware User Guide

Part Number: EV35L43A - AVR128DB48 Curiosity Nano Evaluation kit | Welcome to Microchip Technology | Microchip Technology Inc. (on sale this month)

 

"Dare to be naïve." - Buckminster Fuller

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mraardvark
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Joined: Mon. Nov 21, 2016
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Location: Trondheim, Norway
Posted by mraardvark: Mon. Feb 22, 2021 - 05:46 PM
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It might work, but it definitely was not intended to.  But if you found a nEDBG/Curiosity Nano in the same drawer you found that one, then you will get much better results...

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