32-bit ARM Cortex-M4 MCU, 180MHz, 512KB Flash, 144-pin BGA
32-bit ARM Cortex-M4 MCU, 180MHz, 512KB Flash, 135KB RAM, 114 I/O
32-bit ARM Cortex-M4 MCU, 180MHz, 512KB Flash, 135KB RAM, 114 I/O, PBGA-144
