IAR Systems fully support Cmsemicon's automotive-grade BAT32A Series MCUs

Shanghai, China, April 4, 2023 – IAR Systems, the world leader in software and services for embedded development, and China Micro Semicon Co., Limited (stock code 688380, hereinafter referred to as Cmsemicon), a leading chip design company, announced that IAR's newly released IAR Embedded Workbench for Arm version 9.32 now fully supports Cmsemicon's automotive-grade BAT32A series MCUs, which will jointly facilitate the innovative development of domestic automotive chips.


Based on 22 years of technical experience and platform resources in MCU field, Cmsemicon has rich and complete automotive chip products, providing multiple series of high performance, high reliability and high security chips. The automotive-grade BAT32A series MCUs are based on Arm Cortex-M0+/M4 cores, with powerful computing performance and large-capacity storage space, rich peripheral functions and excellent low-power performance. The products are highly reliable, AEC-Q100 qualified, and can be widely used in a variety of automotive applications, such as lights, windows, doors, wireless charging, DC/DC car power, instrument panels, digital keys, ultrasonic radar, OBC control modules, matrix headlights, power tailgate, safety seats, ripple anti-pinch system and BCM.


Cmsemicon always attaches importance to the communication and cooperation with eco-partners in order to accelerate the development of the whole eco-chain. At present, in addition to establishing a complete matrix of automotive-grade MCU products and a high-standard automotive-grade management system, Cmsemicon has established long-term strategic partnerships with more leading Tier 1 suppliers and OEMs in the industry to continuously deepen the software architecture cooperation involving domain control.

IAR Embedded Workbench for Arm provides a complete tool chain for the Cmsemicon BAT32A family, helping users improve development efficiency, reduce project costs, ensure product quality, accelerate innovation, and shorten time-to-market. IAR Embedded Workbench has a highly optimized compiler that includes flexible compiler optimization options and powerful optimization performance to help users meet specific needs for optimization in different applications; and advanced debugging features such as flexible code and data breakpoints, runtime stack analysis, and call stack visualization. With the code analysis tools C-STAT and C-RUN, developers are able to improve code quality in their daily development process.


"IAR is the world's leading provider of embedded system development solutions and services, and we are very pleased to cooperate with IAR. The IAR Embedded Workbench for Arm 9.32 is now available for the Cmsemicon BAT32A series MCUs. We believe that with IAR's powerful code optimization features and complete tool chain, developers can focus on technology innovation, enabling automotive customers to debug and optimize MCU code more efficiently and easily, shortening design time and time-to-market." said Li Zhenhua, Vice President of Cmsemicon and General Manager of Automotive Electronics Division. Focusing on building a win-win chain of automotive eco-partners, Cmsemicon will subsequently strengthen in-depth cooperation with IAR, broaden the development of small domain control product lines in the connectivity domain, power domain and assisted driving domain, and jointly promote the construction of a localized automotive chip ecosystem with hardware and software integration and multi-party collaboration.


Kiyo Uemura, Area Vice President APAC of IAR Systems, said: " Cmsemicon is a very strong MCU vendor in China and more and more IAR customers are using Cmsemicon's chips. We are pleased to reach a cooperation with Cmsemicon, and IAR will continue to provide comprehensive toolchain support for Cmsemicon's MCUs, help its customers maximize MCU potential and provide local technical support to fulfill our long-term commitment to our Chinese customers and markets."


For more information about the BAT32A series, please go to

For more information about IAR Embedded Workbench for Arm, please go to




About Cmsemicon

China Micro Semicon Co., Limited (688380.SH) was founded in 2001, headquartered in Shenzhen, a national high-tech enterprise with a registered capital of 400,365,000 RMB and more than 500 employees, with 10 R&D centers and branches in Beijing, Shanghai, Zhongshan, Chengdu, Chongqing, Hangzhou and Singapore. Focusing on R&D, design and sales of digital-analog mixed-signal chips and analog chips. Our main products include automotive electronic devices, home appliance control chips, consumer electronics chips, motor and battery chips, sensor signal processing chips and power devices, which are widely used in household appliances, consumer electronics, motor and battery, healthcare, industrial control, automotive electronics and IoT (Internet of Things). For more information, please visit


About IAR Systems

IAR Systems provides world-leading software and services that accelerate developer productivity in embedded development and embedded security, enabling companies worldwide to create and secure the products of today and the innovations of tomorrow. IAR Systems supports 15,000 devices from over 200 semiconductor partners, serving some 100,000 developers working for a mix of Forbes 2000 companies, SMEs, and startups. Founded in 1983, IAR Systems is still headquartered in Uppsala, Sweden, with more than 220 employees in 14 offices distributed across APAC, EMEA, and North America. IAR Systems is owned by I.A.R. Systems Group AB, listed on NASDAQ OMX Stockholm, Mid Cap (ticker symbol: IAR B). For more information, please visit:

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