MDK 5.0支持4.0的补丁 MDKCM525.exe，用MDK5打开MDK4项目工程时弹出窗口：this is an MDK version 4 project requiring device support for cortex-M based devices，用此官方补丁，官方下载很慢。
2019-12-21 20:07:07
143.24MB
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Keil_RealView_MDK_4.50官方原版下载地址+注册机+安装破解教程，笔者已经验证可用，内涵注册机。
2019-12-21 19:59:52
713KB
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