The Arm Cortex-M14+ MCU is a microcontroller unit (MCU) series developed by Arm Holdings, a British semiconductor and software design company. These MCUs are part of the Cortex-M family, designed for embedded applications in industries such as industrial automation, consumer electronics, and IoT. The Cortex-M14+ series offers enhanced performance, energy efficiency, and real-time capabilities, making it suitable for applications requiring low power consumption and high reliability. Arm Holdings provides the IP (intellectual property) for these MCUs, which are then manufactured by various semiconductor companies worldwide.