8路D/I开关量输入通道的设计本次设计所需软件为Keil C51以及Proteus ISIS仿真软件，应用Proteus ISIS对实验电路进行仿真，得到实验结果-8-way D/I switch input channel design The design required software for Keil C51 and Proteus ISIS simulation software, application Proteus ISIS experimental circuit simu