微机接口课程设计:8255控制交通灯

想学１６０２的，看了这个你就明白了（我的学习过程）- Wants to study 1602, looked at this you to understand (my study process)

电机，矢量模型可用于电机模型的建立，是矢量控制的函数-i am sorry，my englis poor

1． 能显示系统当前时间，显示到秒级，并随时间刷新。 显示可采用七段电子表方式也可采用钟表方式，最好可在两种显示方法间进行切换-1. The current system can show that the time to the second-class show, and with time set. Paragraph 107 indicates use of electronic forms are also available clocks, the best show in two ways switching between

通过AT89C51,可以对LCD 进行读和写.-Through the AT89C51, can be carried out on the LCD to read and write.

利用AT89C51 ,可以读取基于IC7135的电压表头的信号. -Use AT89C51, can be read based on the voltage meter IC7135 first signal.

用单片机制作的高精度计数器，验证通过，适用于计数场合。-Produced using high-precision single-chip counters, authentication is passed, apply to count occasions.

用LabVIEW做的钟表和计时器。可以自动记录时间到txt文件中-LabVIEW to do with clocks and timers. Can be automatically recorded time to txt file

有好多vb入门代码,其中注释较多, 请根据要求查看!-Vb has a lot of entry-code, which notes more, please ask to see!

used to communicate between 2 C51 by serial -used to communicate between 2 C51 by serial

多位bcd码乘法,已测试通过,多位bcd码乘法,已测试通过-Bcd number multiplication code, have been tested, a number of bcd code multiplication, have been tested