32-Bit ARM Cortex-M4 MCU, 256KB Flash, 72MHz, 52 I/O, 64-Pin PQFP
32-Bit MCU, Arm Cortex-M4, 72MHz, 128KB Flash, 32KB RAM, 64-Pin PQFP
32-bit MCU, Cortex-M4, 64KB Flash, 72MHz, 52 I/O, Industrial