More RP2350 features:
* Nominal clock increased to 150 MHz
* Hardware SHA256 engine
* 3x PIO blocks with four SMs each, plus extra instructions
* Hardware DVI-D support - a TMDS encoding bit-serialiser that can output 4x 252 Mbaud on a 126 MHz PLL.
* 8 KiB of on-chip One Time Programmable Flash, which you can boot from
* The XIP block can do address translation - your A/B application updates can be linked for the same execution address, but live in different flash partitions
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