SI4421现在资料说明都是C C++的，对我们老的开发人来说，还是比较熟悉ASM的，现位了方便开发人，提供汇编的SI4421命令格式写入法。-SI4421 information on all C C++ now, and for the development of our old people, it is quite familiar with the ASM, is a convenient place developers to provide a compilation of SI