The Arm Cortex-M369+ 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 industries such as industrial automation, consumer electronics, automotive, and IoT. The Cortex-M369+ is designed for high-performance, low-power applications, offering features like advanced security, real-time processing, and connectivity options. Arm's MCUs are licensed to various manufacturers globally, enabling them to produce customized chips for specific applications.