Building the Future of Computing – Arm®Together with its vast ecosystem, Arm technology is changing the world again, building the future of computing and bringing ideas to life.https://www.arm.com/STM32单片机是ARM公司开发的基于Cortex-M架构的内核, 所以需要下载内核相关文档要来这里! 

 这些文档都可以下载! 

这里也可以知道Cortex内核的相关介绍. 网速太慢, 而且内容和上一个基本相同, 所以没什么用!

Arm DeveloperThe Arm Developer website includes documentation, tutorials, support resources, and downloads for products and technologies.https://developer.arm.com/

实际没什么用!

CPU Benchmark – MCU Benchmark – CoreMark – EEMBC Embedded Microprocessor Benchmark Consortiumhttps://www.eembc.org/coremark/

非常非常重要! 

https://www.st.com/content/st_com/en.htmlhttps://www.st.com/content/st_com/en.html

下载数据手册. 

 非常重要!!!下载中文的参考手册等.https://www.stmcu.org.cn/https://www.stmcu.org.cn/

 可以下载选型手册, 也能在线选型.