The Arm Cortex-M9+ MCU is a microcontroller unit (MCU) developed by Arm Holdings, a British semiconductor and software design company. Arm Holdings, headquartered in the United Kingdom, specializes in creating energy-efficient processor architectures widely used in embedded systems. The Cortex-M9+ MCU serves industries such as industrial automation, automotive, consumer electronics, and IoT, offering high-performance, low-power solutions for real-time control and processing tasks. Its products are integral to applications like motor control, smart sensors, and edge computing devices.