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Booting the RP2350 from UART
s a nice microcontroller from Raspberry Pi. Recently I thougt about a new project, where a lot of PWM channels would be needed.
UART is a lot easier to implement on a microcontroller than USB, and it's also the way to go for communication between the chips. Unfortunately I don't have a Pico 2, but I have a custom board (which will be explained in detail in the future), where I could make those modifications very easily, since I used a very big flash package: I noticed, that the pins the bootloader uses, since they reside in another GPIO bank, can with the current SDK not be used as UART in your program.
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