List the useful and tested fusebit setting here:
- Default: LFuse: E1; HFuse: D9;
- 8MHz (Internal): LFuse: A4; HFuse: D9;
- 8MHz (External + 2* 22pF): LFuse: FF; HFuse: D9;
More detail please check it out at: AVR® Fuse Calculator – The Engbedded Blog
List the useful and tested fusebit setting here:
More detail please check it out at: AVR® Fuse Calculator – The Engbedded Blog