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by stonethrowaway 588 days ago
> Due to the complexity of the signalling involved with ethernet, a dedicated ASIC is generally used, which takes in data at the frame level, and takes care of wiggling the electrical lines in the right way over a cable (though there are of course exceptions).

Like others in this thread I was hoping I’d see an RJ45 breakout board directly hooked into an STM32 and doing onerous bit banging and keeping it as low level and basic as possible.

1 comments

Author here. CNLohr already did it better than I could 10+ years ago: https://www.youtube.com/watch?v=mwcvElQS-hM