The Arm Cortex-M1+ MCU is a microprocessor core 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 industrial, automotive, and IoT applications. The Cortex-M1+ is optimized for low-power, high-efficiency performance in FPGA-based designs, making it suitable for sectors like automation, consumer electronics, and smart devices. Arm's Cortex-M cores are licensed to various chip manufacturers globally, enabling customized microcontroller solutions.