The Arm Cortex-M340+ MCU is a microcontroller unit developed by Arm Holdings, a British semiconductor and software design company. It belongs to the Cortex-M series, which is widely used in embedded systems for industrial, automotive, and IoT applications. The Cortex-M340+ is designed for high-performance real-time control, offering features like enhanced DSP capabilities, low power consumption, and robust security. Arm licenses its designs to manufacturers globally, enabling the production of efficient and scalable MCUs for diverse industries.