The Arm Cortex-M301+ MCU is a microcontroller unit (MCU) based on the ARM Cortex-M architecture, designed by Arm Holdings, a British semiconductor and software design company. Arm Holdings is a subsidiary of SoftBank Group, headquartered in Cambridge, UK. The Cortex-M301+ MCU serves industries such as industrial automation, consumer electronics, automotive, and IoT (Internet of Things). It is known for its low power consumption, high performance, and real-time capabilities, making it ideal for embedded systems and smart devices. Key products in this series include microcontrollers with integrated peripherals, advanced security features, and support for various communication protocols.