32-bit ARM MCU, 80MHz, 128KB Flash, LQFP, 69 I/O, USB, SPI, I2C
32-bit ARM Cortex-M4F MCU, 80MHz, 128KB Flash, 32KB RAM, 69 I/O, LQFP
32-bit ARM Cortex-M4F MCU, 80MHz, 128KB Flash, 32KB RAM, 69 GPIO, 22 ADC
32-bit ARM MCU, 80MHz, 128KB Flash, 69 I/O, LQFP
