➀ Nuvoton's 32-bit NuMicro M2L31 microcontroller features a single-core, 72MHz Arm Cortex-M23 processor without Ethernet support, targeting embedded applications. ➁ The M2L31 series includes up to 0.5MB of on-chip ReRAM for non-volatile storage and up to 168KB of SRAM. ➂ Nuvoton claims advantages of ReRAM over Flash EEPROM include faster write speeds, better durability, and lower power consumption.