Description: Small-scale integrated circuit design with a public telephone timing system. Through this design it is completed at several basic functions: timer once every 3 minutes display the number of calls, up to 99 times each time a timing error is less than 1 second with manual reset function with audible alerts.
To Search:
File list (Check if you may need any files):
电子课程设计-公用电话计时器.doc