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by dfox 1121 days ago
AM4 has 12 dedicated GPIO pins and ~30 pins where GPIO is shared with other functions. On the other hand these are mostly meant for platform control, and maybe blinking LEDs, not for user-space bitbanging something there.

Also of note is that both Ryzen IODs and Intel PCHs contain what could be called "half of an ESP32" connected to few IO pins under the name of on-board HD audio.