This application note describes the three methods that can be used to program the Flash code memory of the 89C51Rx+/Rx2/66x families of microcontrollers. It discusses in detail the operation of the In-System Programming (ISP) capability which a

ISP下载线制作用的原理图，配合isp_design源代码一起使用，可以自己动手快速设计AVR下载线。-ISP download cable making use of the schematic diagram, used in conjunction with the isp_design source code, you can quickly design yourself AVR download cable.

hex文件是由k软件开发出来的二进制源代码，有时候不能直接应用于烧写器的bin文件,怎么有hex转bin这篇文档就是最好的说明。-hex file by k software developed binary source code, and sometimes can not be directly applied to the writer of the bin file, how hex to bin this document is the best descr iption.

sst程序ISP段代码,主要介绍了ISP方式实现编程的代码-sst program ISP segment code, introduces the way to achieve ISP programming code