Aha, the 3 is for M33, not Cortex M3 (as some speculated based on the name). That makes a lot more sense! Integrated FPU is a big improvement over the RP2040, a

Aha, the 3 is for M33, not Cortex M3 (as some speculated based on the name). That makes a lot more sense! Integrated FPU is a big improvement over the RP2040, and M33 is a modern but proven core.