The M031SD2AE with 64KB 8KB FLASH 55 ARM Cortex-M0 48MHz LQFP-64(7x7) Microcontroller Units (MCUs/MPUs/SOCs) ROHS manufactured by Nuvoton is a high performance single chip microcontroller unit for embedded systems that integrates 64KB of SRAM and 8KB of FLASH memory. It is equipped with a 55 ARM Cortex-M0 processor core running at 48MHz, providing high speed data transfer operations. It also offers integrated peripheral peripherals, including UART, I2C, SPI, PWM and 12-bit ADC. The Nuvoton M031SD2AE is compliant with ROHS requirements and is packaged in a 64-pin LQFP (7x7) form factor.