32-bit Arm Cortex-M0+ MCU, 16KB Flash, 32MHz, 16 I/O, ADC, DMA, PWM
Ultra-low-power Arm Cortex-M0+ MCU with 32-Kbytes of Flash memory, 32 MHz CPU

Ultra-low-power Arm Cortex-M0+ MCU with 16-Kbytes Flash, 32 MHz CPU
Ultra-low-power Arm Cortex-M0+ MCU with 64-Kbytes of Flash memory, 32 MHz CPU
Ultra-low-power Arm Cortex-M0+ MCU with 128-Kbytes of Flash memory, 32 MHz CPU
Ultra-low-power Arm Cortex-M0+ MCU with 16-Kbytes Flash, 32 MHz CPU
Ultra-low-power 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 CPU