电子器件2016，Vol.39Issue(5)：1232-1236,5.DOI:10.3969/j.issn.1005-9490.2016.05.041
基于AVR单片机+FPGA的U盘记录器设计
Design of U Disk Recorder Based on AVR MCU and FPGA
摘要
Abstract
In order to meet the demand for high speed and mass data in civil aviation navigation system,a design scheme of U disc recorder is proposed based on AVR MCU and FPGA. In design,taking AVR MCU as the core,it controls CH376 read and write U disk data. And using the large-capacity FLASH controled by FPGA as a cache me⁃dium for the high speed data to solve the problem of data storage,the method is not reliable caused by the lack of cache resources of MCU. At the same time,by designing a special brown-out detection circuit,and reserving the FLASH breakpoint address at the moment,and the function of the system can realize to continue and store when power is put on again. After many tests and experiments show that the system has good performance ,stable and reli⁃able,and can meet the needs of practical engineering application,and has been successfully applied to a civil avia⁃tion flight data recording system.关键词
AVR单片机/FPGA/U盘记录器/掉电检测Key words
AVR MCU/FPGA/U disk recorder/brown-out detection分类
信息技术与安全科学引用本文复制引用
秦丽,江旭东,李锦明..基于AVR单片机+FPGA的U盘记录器设计[J].电子器件,2016,39(5):1232-1236,5.基金项目
山西省自然科学基金项目 （）
