32-bit ARM Cortex-M0+ MCU, 192KB Flash, 32MHz, 50 I/O, 64-pin PBGA

Ultra-low-power Arm Cortex-M0+ MCU with 192-Kbytes of Flash memory, 32 MHz CPU, AES
Ultra-low-power Arm Cortex-M0+ MCU with 16-Kbytes of Flash memory, 32 MHz CPU, AES
Ultra-low-power Arm Cortex-M0+ MCU with 16-Kbytes of Flash memory, 32 MHz CPU

Ultra-low-power value line Arm Cortex-M0+ MCU with 16-Kbytes of of Flash memory memory and 32 MHz CPU
Ultra-low-power Arm Cortex-M0+ MCU with 32-Kbytes of Flash memory, 32 MHz CPU