Devices NuMicro M55 Family M55M1 M55M1 Nuvoton Devices 6 M5531K2LJAE M55M1 Cortex-M55 M5531R2JIAE M55M1 Cortex-M55 M5531R2LJAE M55M1 Cortex-M55 M55M1H2LJAE M55M1 Cortex-M55 M55M1K2LJAE M55M1 Cortex-M55 M55M1R2LJAE M55M1 Cortex-M55