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AN3307 Scheda tecnica(PDF) 1 Page - STMicroelectronics |
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AN3307 Scheda tecnica(HTML) 1 Page - STMicroelectronics |
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1 / 37 page  April 2013 Doc ID 18186 Rev 4 1/37 AN3307 Application note Guidelines for obtaining IEC 60335 Class B certification for any STM32 application Introduction The role of safety has become very important for electronics applications. The level of safety requirements for components used in electronic designs is steadily increasing. The manufacturers of electronic devices include many new technical solutions in the design of new components. Software techniques for improving safety are continuously being developed. The current safety recommendations and requirements are specified at worldwide level by recognized international standards bodies such as IEC (International Electrotechnical Commission) and come under the compliance, verification and certification process of testing houses and authorities like VDE (Association for Electrical, Electronic and Information Technologies). The certification process is closely associated with ElectroMagnetic Compatibility (EMC) tests when the robustness of the system against noise emission and noise sensitivity is tested for compliance with international standards. The main purpose of this application note and its associated software(a) is to facilitate and accelerate user software development and certification processes for appliances which are subject to these requirements and certifications and are based on some of the ST 32-bit family of microcontrollers. There are three packages certified by VDE for 32-bit ST microcontrollers covering STM32F0xx, STM32F1xx and STM32F3xx microcontroller families, referred to in this document by STM32F. All certified packages are based on dedicated CMSIS and Standard peripheral libraries and all of them use similar principles described by this document, with focus on main differences. While using hardware and firmware compatibility between ST families, these packages can also be adapted for some other ST 32-bit microcontrollers not yet certified (for example, STM32F2xx, STM32F4xx, STM32Lxx or STM32Wxx families)(b). a. All the Class B firmware packages are available upon request only, please contact your nearest ST sales office. b. STMicroelectronics is developing derivative firmware supporting new products step by step. Please, contact your local ST sales office to obtain the latest information about available packages and plans for their certification. www.st.com |
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