The Arm Cortex-M155+ MCU is a microcontroller unit (MCU) series developed by Arm Holdings, a British semiconductor and software design company. These MCUs are widely used in embedded systems across industries such as industrial automation, automotive, consumer electronics, and IoT. The Cortex-M155+ series is known for its high performance, energy efficiency, and real-time processing capabilities, making it ideal for applications requiring robust computing power and low power consumption. Arm licenses its designs to various manufacturers, enabling a broad ecosystem of compatible devices.