The Arm Cortex-M16+ MCU is a microcontroller unit developed by Arm Holdings, a British semiconductor and software design company. It is part of the Cortex-M series, which is widely used in embedded systems for industrial, automotive, consumer electronics, and IoT applications. The Cortex-M16+ MCU is designed for low-power, high-performance tasks, offering features like real-time operation, energy efficiency, and scalability. Arm's microcontrollers are licensed to various manufacturers worldwide, enabling them to produce customized chips for diverse industries.