从网上找到的关于专业单片机电子钟的电路图和ASM源程序。压缩包中有我用WORD 文档粘贴编辑的原文章，还有电路图和源程序。-From the Internet to find a professional single-chip electronic clock circuit diagram and ASM source. Compressed package in WORD document paste edit of the original article, as well as cir