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Hi Spence
Can you add the option to use a crystal instead of the internal RC oscillator?
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They currently use PROGMEM and the pgm_read_byte() call - because of the unified memory architecture of the tinyAVR 0-series and 1-series parts, this can be changed without loss of functionality to si…
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Hi!
I'm working on a 3rd part Arduino core where the goal is to add proper support for the entire megaAVR-0 series (ATmega3208/4808, ATmega3209/4809) and hopefully a handful of new tinyAVRs in the …
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The menu is already getting kinda long, the entries are almost identical, and the DD series is still on the way.... I'm pretty sure it can be shrunk waaaay down.... (and no, I didn't add all those ent…
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Hi,
I have various issues with attachInterrupt(). Given the simple example of setting a pinchange interrupt on PB1
```
void fISR() {
}
void setup() {
attachInterrupt(PCINT1,fISR,CHANGE);
}
…
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A support of the MegaCoreX will helpful because there are other boards with MegaAvr0 chips,
(Curiosity Nano, ATmega4809 Xplained Pro ...) which are not supported by Arduino directly.
https://github.…
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From the ATtiny datasheets, I've noticed it says
**_When writing the fuses write all reserved bits to ‘1’_**
I've only been working with fuse 5, but have noticed that reserve bits are read as 0.…
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`attachInterrupt` is pretty memory hungry for what it is. [voidFuncPtr](https://github.com/arduino/ArduinoCore-megaavr/blob/b367b6717b98ec216fc8d7356762e5b615929ece/cores/arduino/WInterrupts.c#L35) al…
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It only works if you *know* there is a transfer in progress when you call it.
If there isn't, it will clear the bit, and then wait forever for a transaction that isn't happening to set it again...…