32-bit ARM Cortex-M4F MCU, 80MHz, 256KB Flash, 32KB RAM, 69 I/O, 22 ADC
32b ARM Cortex-M4F MCU, 80MHz, 256KB Flash, 32KB RAM, 69 GPIO, 22 ADC
32b ARM Cortex-M4F MCU, 80MHz, 256KB Flash, 32KB RAM, 105 I/O, 24 ADC
32b ARM Cortex-M4F MCU, 80MHz, 256KB Flash, 32KB RAM, 105 GPIO, LQFP