32-bit ARM Cortex-M4 MCU, 72MHz, 256KB Flash, 32KB RAM, LQFP
32-bit ARM Cortex-M4 MCU, 72MHz, 256KB Flash, LQFP, 83 I/O
32-Bit ARM Cortex-M4 MCU, 256KB Flash, 72MHz, 52 I/O, 64-Pin PQFP
32-Bit Microcontroller, 1.65-1.95V, 32MHz, 51 I/O, VFBGA
