80 MHz Cortex-M4F with FPU — compute headroom for control loops
That FPU matters for sensor fusion or PID loops where you want single-cycle MAC without software emulation overhead. The 128 KB Flash and 32K x 8 RAM sit in the mid-density sweet spot — enough for a CANopen stack plus a modest application image, but not oversized for a dedicated motor-drive or I/O controller.
Connectivity and I/O — CAN, USB OTG, and 69 GPIOs
The 69 I/O lines in a 100-LQFP give you room for parallel LCD or memory interfaces alongside the serial channels. The 22-channel 12-bit ADC covers analog inputs without an external mux for most sensor arrays.
The internal oscillator and brown-out detect reduce external BOM count for reset and clock generation.