【实验题目】 简单的串行口收发 【实验目的】 掌握串行口通信的基本用法 【硬件接法】 RXD和TXD通过RS-232电平转换电路连接到电脑的COM口上。 【实验步骤】 ISP下载开关扳到“00”，用Flash Magic软件下载程序文件“Uart.hex”，暂时不要运行。 关闭Flash Magic软件。 打开串行调试助手软件，选择正确的COM口，波特率9600，起始位1，数据8位，停止位1。 运行实验程序。 【运行效果】 对“串行口收发”实验： 开机时向电脑发送Hello，然后接收电脑发出的字符并回显。 对“使用printf()函数”实验： 开机时向电脑发送字符串“Hello world!”。

实验6 UART基本收发\说明.txt
..................\使用printf()函数\main.c
..................\................\main.LST
..................\................\main.OBJ
..................\................\STARTUP.A51
..................\................\UsePrintf
..................\................\UsePrintf.hex
..................\................\UsePrintf.M51
..................\................\UsePrintf.Opt
..................\................\UsePrintf.plg
..................\................\UsePrintf.Uv2
..................\................\UsePrintf_Uv2.Bak
..................\串行口收发\C51\main.c
..................\..........\...\main.LST
..................\..........\...\main.OBJ
..................\..........\...\Uart
..................\..........\...\Uart.hex
..................\..........\...\Uart.M51
..................\..........\...\Uart.Opt
..................\..........\...\Uart.plg
..................\..........\...\Uart.Uv2
..................\..........\...\Uart_Uv2.Bak
..................\..........\A51\main.A51
..................\..........\...\main.LST
..................\..........\...\main.OBJ
..................\..........\...\Uart
..................\..........\...\Uart.hex
..................\..........\...\Uart.M51
..................\..........\...\Uart.Opt
..................\..........\...\Uart.plg
..................\..........\...\Uart.Uv2
..................\..........\...\Uart_Uv2.Bak
..................\..........\C51
..................\..........\A51
..................\使用printf()函数
..................\串行口收发
实验6 UART基本收发

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