oh wow i hear there's a new development board from a hobby electronics company, and apparently they did their own custom chip! it even has multiple CPU cores! 
can't remember what it's called but the name starts with a "p"
anyway it's cool because this has never been done before, it's totally new!
oh wait oops no it looks like these guys did it.
https://twitter.com/Hacksterio/status/1352149018764312576
some people are wondering why the flash is external. well, the RP2040 is probably made on a process that does not have embedded flash. this saves a lot of money! a flash process has >25 financial moves added compared with the base process.
financial move: a semiconductor processing step that costs money. could be a diffusion, a mask/etch/strip, metal deposition, or whatever.
i ought to do a whole separate thread on the chip stuff...
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