32-bit ARM Cortex-M4 MCU, 72MHz, 256KB Flash, 32KB RAM, LQFP
32-bit ARM Cortex-M4 MCU, 72MHz, 256KB Flash, 36 I/O, LQFP
32-bit ARM Cortex-M4 MCU, 72MHz, 256KB Flash, LQFP, 83 I/O
32-bit MCU, Cortex-M4, 256KB Flash, 72MHz, 36 I/O, 48-pin PQFP
