Quote:
Originally Posted by Kos-Mos
Yes, but using these mean that you have to burn the internal fuse and you cannot reprogram it after.
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Only if you select the "Reset disable" fuse. And even then it's only the ISP interface you can't use anymore (you should still be able to read/reprogram the chip with the HV interface if you have a programmer that supports it).
AUX0 (pin 2) is available as an ADC input you can use all you like, and reprogram the chip all you want with the ISP interface.
But RESET (pin 1) is also AUX1. By disabling RESET your program can use the RESET pin as AUX1, but then you can no longer reprogram the chip using the ISP interface.
The new chip you found sounds pretty cool, though.