本程序是使用芯片PIC16F877开发可进行对芯片内的程序更新的源程序。-This procedure is to use the PIC16F877 chip to update the code on the line

这是使用VB开发的读取HEX文件并通过RS232接口与PIC16F877的通讯下载HEX文件到芯片内的程序 改程序需要与之前上传的PICBootLoader.rar配合使用。-This is developed using VB to read HEX file and through the RS232 communication interface with the PIC16F877 download HEX files to