The Arm Cortex-M358+ MCU is a microcontroller unit developed by Arm Holdings, a UK-based semiconductor and software design company. It belongs to the Cortex-M series, which is widely used in embedded systems for industrial, automotive, and consumer electronics applications. The Cortex-M358+ is designed for high-performance, low-power tasks, serving industries such as automation, IoT, and robotics. Key products include MCUs with advanced features like real-time processing, connectivity options, and energy efficiency. Arm's technology is licensed to various chip manufacturers globally.