72 MHz Cortex-M4 with FPU — what it means for motor-control and sensor-fusion loops
The STM32F302R6T6: The single-precision FPU handles trigonometric and filter math without software emulation. The 32 KB Flash and 16 KB SRAM suit firmware footprints for field-oriented motor control or sensor-hub processing.
64-LQFP — rework-friendly footprint, 51 I/O brought out
The 51 GPIOs include remappable pins for the CAN, USB, and multiple SPI/I²C peripherals.
The on-chip analog includes a 12-bit ADC with 15 multiplexed channels and a single 12-bit DAC, enough for three-phase current sensing plus a setpoint output. Internal oscillator trims to 1% accuracy, saving an external crystal for UART or CAN at moderate baud rates.
The base product number STM32F302 covers multiple Flash and RAM density variants in the same 64-LQFP footprint, so a firmware or memory upgrade (e.g., to the STM32F302R8T6 with 64 KB Flash) is a drop-in swap if the project outgrows the 32 KB limit.