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Why did fuse bits successfully reset using ICSP and USBASP programmer?

You can program the fuses through ICSP just fine. The problem is, if you accidentally program the fuses so that ICSP is disabled, then you can't program the fuses via ICSP to enable it again, and must ...
Justme's user avatar
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Extended IO registers handling in AVR using Assembly language

IN/OUT/SBI/CBI are just shortcuts for ...
Tim Williams's user avatar
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Extended IO registers handling in AVR using Assembly language

In general, read a non-bit-accessible IO register into a general purpose register, modify the bits you want, and write it back. But actually, you don't need to modify any bits. The ADIF bit will be ...
Justme's user avatar
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