The Arm Cortex-M48+ MCU is not a standalone brand but a microcontroller unit (MCU) design from Arm Holdings, a British semiconductor and software design company. Arm develops processor architectures and licenses them to manufacturers for use in various industries, including industrial automation, consumer electronics, and IoT. The Cortex-M48+ is part of the Cortex-M series, optimized for embedded applications requiring high performance, real-time capabilities, and energy efficiency. It is widely used in industrial control systems, smart devices, and automotive applications. Companies like STMicroelectronics, NXP, and Texas Instruments produce MCUs based on Arm's designs.