The Arm Cortex-M35P is a microcontroller unit (MCU) developed by Arm Holdings, a British semiconductor and software design company. It is part of the Cortex-M series, which serves industries such as industrial automation, consumer electronics, automotive, and IoT. The Cortex-M35P features enhanced security with Arm TrustZone technology, making it suitable for applications requiring robust protection against cyber threats. It is widely used in embedded systems for real-time control and connectivity.