485总线编程要点,www.ebnar.cn推荐。
485 bus the programming points, www.ebnar.cn, recommended (2012-02-20, DOS, 34KB, 下载3次)
arm的中文资料，对于初学者比较有用，介绍的比较详细，有兴趣的可以
arm of the Chinese information, more useful for beginners, described in more detail, interested can (2008-10-20, DOS, 300KB, 下载4次)