摘要
针对没有集成在系统编程(ISP)功能的单片机,提出一种基于串口RS 485协议通信的通用ISP方案。避免了此类单片机系统在程序升级时对编程器、仿真器等特定工具的依赖。以80C196KC单片机为例,通过FLASH、RAM、单片机的UART口、PC机及相关软件模块的设计实现了程序的在线升级。与其他方案比较,此方案具有代价低,设计简单,可靠性高等诸多特点。
Concerning the single chip computer without ISP function,this thesis comes up with a common way of conducting ISP by serial port based on protocal RS 485. Avoiding the dependence on programmer when such a MCU needs ISP. Using MCU 80C196KC as an example,it implements ISP by a piece of FLASH, RAM, UART on MCU,PC and included software,it has the features of low expense, easy design and high reliability when compared with other methods.
出处
《现代电子技术》
2009年第16期161-163,共3页
Modern Electronics Technique
基金
梧州学院资助项目(2008D005)
