The RP1 has two Cortex M3 cores and a PIO core, and is responsible for the GPIO ... | Hacker News

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		fanf2 on Sept 28, 2023 \| parent \| context \| favorite \| on: Raspberry Pi 5 The RP1 has two Cortex M3 cores and a PIO core, and is responsible for the GPIO pins. So I think it already has something close to what you want.

lonjil on Sept 28, 2023 [–]

I can't find anything about the RP1 online, do you have a source?

fanf2 on Sept 28, 2023 | [–]

https://www.raspberrypi.com/news/introducing-raspberry-pi-5/...

There are a good few nuggets of gold from Raspberry Pi engineers in the comments on the announcement blog post

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