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Normally fuse bits are defined like
```
#define FUSE_SOMETHING (unsigned char)~_BV(some_n)
```
For the list of parts below gcc v12 defines a lot of them *without bit inversion* `~`
```
atmega1…
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Hi,
your lib looks very promising. Unfortunately there are big problems with it. If I use it with Arduino then the controller always resets.
If I use it in Atmel Studio 7 it always compiles with…
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It would be great to provide urboot hex files for non-default serial port. I think this is one of the major missing feature from urboot.
As per the previous discussions in avrdude, it may not be so…
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Hello,
using XUbuntu 22.04 LTS, Arduino IDE 2.0.0-rc8 and megaTinyCore 2.5.11 editor suggestions do not work for the following board entries:
```
ATtiny3224/1624/824/424 w/Optiboot
ATtiny3226/16…
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### Report: Incorrect SerialUPDI control of AVR64EA32
This is a known bug as of commit 481a91d.
1. You are trying to read the "Chip Silicon Revision" register without checking the status of the …
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Unlike other AVRs, the internal oscillator in the ATtiny13/A runs at 9.6 MHz and is dividable down to 4.8 MHz, 1.2MHz, and 600kHz.
It would be great if these existed pre-compiled bootloaders for thes…
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### Discussed in https://github.com/SpenceKonde/megaTinyCore/discussions/547
Originally posted by **francuz152** November 12, 2021
hej, when trying to program a 3227 using a uno as jtag2updi i…
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Only device I could get quickly :-)
Ouput from console:
```
Arduino pymcuprog bridge by Quentin Bolsee and Spence Konde
Version 1.1.0 - May 2021
Using serial port COM10 at 230400 baud.
Target: …
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Just for fun, I tested the avrdude.conf file Arduino IDE ships with, and it appears that it has a few errors in it. None of them are crucial when using official Arduino hardware. Wouldn't it be better…
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There are dozens of different ATTiny ICs out there, we have specified the 1604 on the PCB, is that the minimum required? Are there any other SKUs that are compatible?