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Research of Resource Code's Remote Rewriting about AVR Atmega Series Singlechip
Author(s): WANG Cong-ze, ZHANG Zhong, WEI Li-ming, HAN Cheng-hao, ZHU Yi
Pages: 615-
620
Year: 2008
Issue:
6
Journal: Journal of Jilin University(Information Science Edition)
Keyword: 可同时读写(RWW)区; 非同时读写(NRWW)区; 引导程序区; 应用程序区; 引导加载自编程;
Abstract: 为了降低成本,简化远程监控系统的硬件设计,提高系统的稳定性,基于AVR Atmega系列单片机的Flash代码区结构,对可同时读写(RWW:Read-While-Write)区、非同时读写(NRWW:Not Read-While-Write)区、引导程序区、应用程序区的划分进行了研究.开发完善了引导下载分页处理、例程(学生用电管理系统网络拓扑结构图说明)、代码转换等实用技术.实践证明,AVR Atmega系列单片机源代码远程改写的应用,可免除以往外加一系列实现远程升级复杂的外置电路.
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