SDK-dat/AVR-dat/UPDI-dat/2024-05-31-18-25-27.png
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SDK-dat/AVR-dat/UPDI-dat/UPDI-dat.md
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# UPDI-dat
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-- https://create.arduino.cc/projecthub/john-bradnam/create-your-own-updi-programmer-1e55f1
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-- https://www.hackster.io/john-bradnam/create-your-own-updi-programmer-1e55f1
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-
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-The Programmer needs to be set to jtag2updi (megaTinyCore).
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-
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-![](2022-10-15-18-38-28.png)
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-
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power supply setup
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### DIY ATtiny HV UPDI Programmer
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https://github.com/Dlloydev/jtag2updi/wiki/DIY-ATtiny-HV-UPDI-Programmer
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+### Arduino Nano as a programmer
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+
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+The 4.7 kOhm resistor connects D6 pin with 6pin header’s top middle pin.
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+
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+The 10 uF capacitor connects RST and GND pins.
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+
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+- https://create.arduino.cc/projecthub/john-bradnam/create-your-own-updi-programmer-1e55f1
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+- https://www.hackster.io/john-bradnam/create-your-own-updi-programmer-1e55f1
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+
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+The Programmer needs to be set to jtag2updi (megaTinyCore).
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+
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+![](2022-10-15-18-38-28.png)
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+
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+#### firmware
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+
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+https://github.com/SpenceKonde/jtag2updi/
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+
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+original - https://github.com/ElTangas/jtag2updi
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+
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+
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+![](2024-05-31-18-25-27.png)
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+
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+Common Errors
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+ avrdude: jtagmkII_program_disable(): timeout/error communicating with programmer (status -1)
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+ ***failed;
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+ avrdude: jtagmkII_program_disable(): timeout/error communicating with programmer (status -1)
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+ ***failed;
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+ avrdude: jtagmkII_program_disable(): timeout/error communicating with programmer (status -1)
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+ ***failed;
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+ avrdude: jtagmkII_program_disable(): timeout/error communicating with programmer (status -1)
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+ ***failed;
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## tuto - self made arduino nano as UPDI programmer
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SDK-dat/AVR-dat/atmel-ice-dat/atmel-ice-dat.md
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## UPDI programming
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-![](2024-05-31-17-43-15.png)
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\ No newline at end of file
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+![](2024-05-31-17-43-15.png)
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+
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+- blue = UPDI
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+- white = VCC
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+- black = GND
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+
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+extra power supply from USB
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+
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+