MC14LC5447和stc89c54RD+具体源代码，本人测试可正确读出来电信息，本程序只需要修改端口地址，可直接读出来电信息。-MC14LC5447 and stc89c54RD+ specific source code, I test can be correctly read out electrical information, this procedure will only need to modify the port address can be directly read