基于华邦W77E516的ISP程序，固定波特率，基于Keil C51编写，配置灵活，改变了华邦提供的二进制文件无法编程的问题。-Winbond W77E516 of ISP-based procedures, fixed baud rate, based on the Keil C51 preparation, configuration flexibility, Winbond has changed to provide the binary file can not be programm