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Grounding the Reset Pin, PF6, fails to reset the device. Tested on 5 AVR32DD14 and 1 each AVR16DD20 and AVR32DD20. Attempt to burn bootloader in case of a fuse problem, but doing so bricked 2 boards. …
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Thanks to @mcuee for discovering this bug.
It turns out that the logic for determining if a target supports HV UPDI is broken, at least for type 2 devices (AVR-DD and AVR-EA).
Here's the HV UPDI…
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Hello,
I am using latest core release and these are the settings I am using while burning the bootloader, I am using burn bootloader option to do it. Core version 2.4.2
![Screenshot (56)](https://…
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(Probably) related to #1090.
I'm able to upload programs to an ATtiny1616 using optiboot (-c arduino) with Avrdude 6.0 and 7.0, but not the upstream version.
I've tracked down the issue to commit …
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According to [this Avrfreaks forum thread](https://www.avrfreaks.net/forum/hv-updi-programmer), the Pickit4, Powerdebugger and the MPLAB ICE4 are the only official UPDI compatible programmers that sup…
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xxx\avrdude-v7.0-windows-x64>avrdude.exe -cstk500v1 -PCOM3 -b9600 -pATtiny1616 -e -v
avrdude.exe: Version 7.0
Copyright (c) Brian Dean, http://www.bdmicro.com/
Copyright…
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Hello, I'm attempting to design a prototyping board using the ATTiny 2313A chip and uploading using the ATTinyCore. I had a bunch laying around in my workshop and I can buy more for cheap (about 70 ce…
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I'm having issues using SerialUPDI to connect to an ATtiny414 on a very simple board. I'm powering the ATtiny from 5V coming through out of an LDO, and have a 0.1uF cap rated for 50V from Vcc to groun…
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The reason for this is that terminal mode relies on the generic `avr_write_byte()` routine
https://github.com/avrdudes/avrdude/blob/64ee4858fd5e4a2ce65cf3c280274674c4320de5/src/term.c#L569-L570
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Hello Folks,
I can't get the clue, what is the difference between
J3-1 | UPDI-HOST | I/O | Updi-Key UPDI
J3-3 | PROG | I/O | Updi-Key UPDI programming pin
My UPDI-programmer has 3 connector: …