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The latest Pico-SDK includes many new features, including certification for 200 MHz clock speeds for the RP2040. Boards designed around the Raspberry Pi 2040 microcontroller can now officially be ...
To enable the GPIO clock, you have to toggle bit 8 in RESETS_RESET (PADS_BANK0). Block diagram of an RP2040 GPIO pad. That figured out, I looked at the GPIO peripheral section in the documentation ...