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 128-Kbytes of Flash memory, 32 MHz CPU
Ultra-low-power Arm Cortex-M0+ MCU with 64 Kbytes of Flash memory, 32 MHz, USB, LCD, AES

32-bit ARM Cortex-M0+ MCU, 64KB Flash, 32MHz, USB, LCD, 48-Pin PQFP

Ultra-low-power Arm Cortex-M0+ MCU with 32 Kbytes of Flash memory, 32 MHz CPU, USB
Ultra-low-power ARM Cortex-M0+ MCU with 128-Kbytes Flash, 32 MHz CPU, AES
Ultra-low-power value line Arm Cortex-M0+ MCU with 32-Kbytes of Flash memory, 32 MHz CPU