摘要： 分析了ATA硬盘接口和FAT32文件系统的基本原理,并根据嵌入系统的特点,提出了一种在没有OS的情况下利用通用微处理器控制硬盘进行文件操作,实现与Windows FAT32文件系统兼容的有效解决方案。

关键词: 嵌入系统, ATA接口, PIO传输模式, FAT32

Abstract: To meet the growing requirement of storage in embedded system, a practical way of files storage on disk based on general microprocessors without OS support in embedded system is put forward . The technology of disk with ATA interface is discussed and how FAT32 works is introduced.

中图分类号: 

• TP311