Comment on Survey shows most people wouldn't pay extra for AI-enhanced hardware | 84% of people said no
phlegmy@sh.itjust.works 3 months agoI think they meant PIO (programmable IO).
It’s like a small processor tied to some of the IO pins. There’s a very small set of instructions and some state machines.
It can be used to implement your own IO protocols without dealing with the issues that come with bit-banging from the cpu.