Devices NuMicro M23 Family KM1M2 KM1M2 Nuvoton Devices 6 KM1M2DF02N KM1M2 Cortex-M23 KM1M2DF02R KM1M2 Cortex-M23 KM1M2DF03N KM1M2 Cortex-M23 KM1M2DF03R KM1M2 Cortex-M23 KM1M2DF04N KM1M2 Cortex-M23 KM1M2DF04R KM1M2 Cortex-M23