目录
1.
题目设计要求: ...................................................................................................................................................................................
1
2.
系统的组成及工作原理 ......................................................................................................................................................................
2
2.1
系统组成 ..............................................................................................................................................................................................
2
2.2
工作原理 ..............................................................................................................................................................................................
2
2.3
双机通讯的方案 .................................................................................................................................................................................
3
3.
器件的功能及作用 ...............................................................................................................................................................................
4
3.1
硬件设计 ..............................................................................................................................................................................................
4
3.1.1 AT89C51
说明 ..............................................................................................................................................................................
4
3.1.2 RS23
说明 .......................................................................................................................................................................................
5
3.2
电气特性 ..............................................................................................................................................................................................
5
3.3 DB-9
连接器 ......................................................................................................................................................................................
6
4.
系统硬件设计 ........................................................................................................................................................................................
8
4.1
线路原理图 ..........................................................................................................................................................................................
8
4.2
元器件清单 ..........................................................................................................................................................................................
9
5.
设计体会和收获 ...................................................................................................................................................................................
10
6.
参考文献 .................................................................................................................................................................................................
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