基于DSPVC33的串口通信下位机软件，大家有需要可以看一下-Based on the serial communication under DSPVC33 bit software, we need to look at

用51的串口实现密码功能，上位机通过串口发送密码给下位机，下位机判断是否为设定的密码-Password function with 51 serial ports, host computer through the serial port to send the password to the next bit machine, the next bit machine to determine whether the set password