I want to use the PE6 int6 on my atmega32u4 but read that the AVR I/O clock needs to be present. I always thought that meant the internal clock, thus implying its presence is a must (can not exactly remove it). Does this refer to the fuse setting? I'm using an external clock in my case.
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Last Edited: Wed. Dec 16, 2020 - 10:32 PM