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this post was submitted on 14 May 2026
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Couldn't quite remember how it worked, just that USB didn't CPU interrupt:-)
Modern CPUs can manage what interrupts them. Almost nothing actually does.
Computers have a CPU just to get in the way of things interrupting the main CPU.
Based
You have a CPU? Well, i have a CPU in a CPU!
Yo dawg
I'm remembering from back in the ol' single core days too. Where an interrupt was, well, an interrupt.
If you want a USB host controller to interrupt your CPU, I can recommend some nice embedded SoCs