1. 51单片机P0口工作原理详细讲解.pdf
http://www.eeskill.com/resource/index/id/1820
2. C51多任务编程思想.pdf
http://www.eeskill.com/resource/index/id/1456
3. C语言教程.rar
http://www.eeskill.com/resource/index/id/9072
4. KeilC51语言使用技巧及实战(中文资料).pdf
http://www.eeskill.com/resource/index/id/1457
5. PROTEUS和KEIL联机教程.pdf
http://www.eeskill.com/resource/index/id/1458
6. SST仿真芯片的使用方法.pdf
http://www.eeskill.com/resource/index/id/1461
7. 单片机学习资料.pdf
http://www.eeskill.com/resource/index/id/3925
8. 实时时钟芯片DS1302的C51编程 .pdf
http://www.eeskill.com/resource/index/id/1466
9. 芯源的单片机教程.pdf
http://www.eeskill.com/resource/index/id/3527