The Arm Cortex-M8+ MCU is a microcontroller unit series developed by Arm Holdings, a British semiconductor and software design company. These MCUs are widely used in industrial automation, consumer electronics, and IoT applications. The Cortex-M8+ series offers high performance, energy efficiency, and advanced security features, making it suitable for embedded systems and smart devices. Arm Holdings provides the IP (intellectual property) for these chips, which are then manufactured by various semiconductor companies globally.