#include?
#define?uchar?unsigned?char
#define?uint?unsigned?int
bit?flag=0;
void?main（void）
{
??TMOD=0x20;	?//定時器1工作于模式2
??TH1=0xfd;
??TL1=TH1;
??TR1=1;
??SCON=0x50;	?//SM0=0SM1=1SM2=0REN=1TB8=0RB8=0TI=0RI=0;
??EA=1;
??ES=1;
??while（1）
	{
		if（flag==1）
				{
					ES=0;
					flag=0;
					SBUF=‘1‘;
					while（!TI）;	
					TI=0;
					SBUF=‘2‘;	
					while（!TI）;	
					TI=0;
					SBUF=‘3‘;	
					while（!TI）;	
					TI=0;
					ES=1;
				}
	}
}

void?ser（）?interrupt?4		//串行口接收中斷服務程序
{
	RI=0;
????P0=SBUF;
	flag=1;					//設置接收完成標志位
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2010-01-03?19:34??0030?串口?PC與MCU通訊\
?????文件????????2788??2009-10-15?18:40??0030?串口?PC與MCU通訊\lesson7.LST
?????文件????????2576??2009-10-15?18:40??0030?串口?PC與MCU通訊\lesson7.OBJ
?????文件????????3006??2009-10-15?19:53??0030?串口?PC與MCU通訊\serialport
?????文件?????????608??2009-10-15?19:53??0030?串口?PC與MCU通訊\serialport.c
?????文件?????????667??2009-10-15?19:53??0030?串口?PC與MCU通訊\serialport.hex
?????文件??????????68??2009-10-15?19:53??0030?串口?PC與MCU通訊\serialport.lnp
?????文件????????2483??2009-10-15?19:53??0030?串口?PC與MCU通訊\serialport.LST
?????文件????????5748??2009-10-15?19:53??0030?串口?PC與MCU通訊\serialport.M51
?????文件????????2478??2009-10-15?19:53??0030?串口?PC與MCU通訊\serialport.OBJ
?????文件?????????920??2009-10-17?00:28??0030?串口?PC與MCU通訊\serialport.Opt
?????文件?????????233??2009-10-17?00:28??0030?串口?PC與MCU通訊\serialport.plg
?????文件????????2192??2009-10-15?19:44??0030?串口?PC與MCU通訊\serialport.Uv2
?????文件????????6376??2005-03-22?15:22??0030?串口?PC與MCU通訊\STARTUP.A51
?????文件???????14063??2009-10-15?19:53??0030?串口?PC與MCU通訊\STARTUP.LST
?????文件?????????749??2009-10-15?19:53??0030?串口?PC與MCU通訊\STARTUP.OBJ