要求C语言编写，实现C8051F020通过UART于PC实现数据交换，单片机使用外部22.1184MHz晶振。要求实现的功能：Uart驱动程序，包括初始化、波特率设置，单字节发送接收、字符串发送接受。 程序运行时向PC机发送字符串；接收到PC机的数据后，再将该数据发送回PC机。-Requirements written in C, to achieve C8051F020 UART to PC through data exchange, the microcontroller using an

Direct RS485 serial port operatio Visual C++6.0 environment applica Vc ds18b20 PC-based program RS232 serial communication with a VS2005 on the use of a serial com This is a 20 on the serial commun Visual C++6.0 environment using M

AT89S52单片机的串口设置以及调用函数-AT89S52 microcontroller serial port settings and call the function

单片机串口数据采集，主要是测电压,并在上位机上显示出波形-Microcontroller serial data acquisition, mainly voltage measurement