Recently, China Mobile's specialized chip subsidiary——Xinsheng Technology Co., Ltd. actively focuses onRISC-VKernel, launched based onRISC-VHigh security microcontroller unit for architecture（MCU）ChipCM32M435RAnd its supporting solutions. This chip has attracted widespread attention in the field of the Internet of Things due to its outstanding performance and high level of security.

RISC-V, as an open-source instruction set architecture, has broad application prospects in the field of the Internet of Things due to its streamlined instruction set, low power consumption, and high flexibility.RISC-VThe core series chips are equipped with high-performance 32-bit chipsRISC-VKernel, which is one of the leading open-source instruction set architectures in the industry, has the characteristics of simplicity, modularity, and scalability, making it easy for developers to carry out secondary development and customization.

China Mobile IoT wholly-owned subsidiary Xinsheng Technology Co., Ltdtwo thousand and twenty-oneyearsevenmonthEstablishment ceremony

According to official information, the CM32M435R adopts advanced 40nm process technology, which enables the chip to operate at low power consumption while maintaining high performance, thereby reducing the overall power consumption and cost of the system. The chip adopts an innovative dual core design, and the security subsystem is controlled by an independent security kernel to ensure that security related operations are executed in an isolated environment. Simultaneously possessing physical unclonable functionality (PUF), each chip forms unique physical features during the manufacturing process that are difficult to replicate or clone. The chip also supports anti side channel attack capability, which can resist attacks that steal internal information or data of the chip through physical means, and adopts a wide range of encryption algorithms to ensure the security of data transmission and storage.

In addition, the chip has a clock frequency of up to 120MHz, providing fast data processing capabilities, and its built-in storage space can support efficient storage of complex programs and data. And it supports multiple interface functions, making it easy to connect and exchange data with other devices or systems. Two peripherals have been integratedADC(Analog to Digital Converter)twoindividualDAC(Digital to Analog Converter)fourTrack to track operational amplifier andsevenA high-speed analog comparator provides comprehensive analog signal processing support for various application scenarios.

At present, the chip has been successfully applied in multiple fields, including smart homes, smart meters, food safety, etc. Its high security, performance, and versatility make it outstanding in terms of IoT terminal security protection.

China Mobile launches based onRISC-VHigh security architectureMCUchipCM32M435R

According to relevant R&D personnel, intelligent devices in smart home systems, such as smart door locks, smart lighting, and smart home appliance controllers, require efficient and secure microcontrollers to process user instructions, control device status, and protect user privacy. The high security and rich peripheral interfaces of this chip make it very suitable for application in the smart home field. In the food safety traceability system, this chip can be used for intelligent labels or tracking devices on food packaging. Through integrationRFIDTheNFCBy utilizing communication technology and the secure encryption function of chips, we can monitor and trace the entire chain of food production, processing, transportation, and sales, ensuring food safety. In the construction of smart cities, this chip can be applied to intelligent management and monitoring systems for urban infrastructure. In scenarios such as intelligent traffic signal control, intelligent lighting control, and environmental monitoring, the intelligent level of urban management can be improved through the efficient processing and secure transmission capabilities of chips.

According to reports, the chip has also been practically applied in the "Intelligent Trusted City Cellular IoT Infrastructure Technology Research and Application Demonstration Project" led by the Ministry of Science and Technology of China, verifying its reliability and practicality in the field of IoT.

China Mobile and Xinsheng Technology have achieved significant results in the research and development of RISC-V architecture chips, not only promoting the localization process of IoT chips, but also demonstrating the strength and responsibility of Chinese technology enterprises in the global chip innovation field. In the future, withRISC-VWith the further popularization and application of architecture in the field of the Internet of Things, China Mobile and Xinsheng Technology are expected to continue to launch more competitive self-developed chip products, contributing more to the development of the Internet of Things.