SD卡与FATFS系统中block与section各自的定义

最新推荐文章于 2024-10-21 15:58:10 发布

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#fatfs #sd #block #section

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本文介绍了计算机存储系统中基本的数据单位——块的概念及其在硬盘读写操作中的作用，并解释了文件分配表（FATFS）中块作为最小存取单位的意义。

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                    –blocksection
SDa number of bytes, basic data transfer unita number of blocks, basic erase unit
FATFSA “block”, a contiguous number of bytes, is the minimum unit of memory that is read from and written to a disk by a disk driverThe sector is the minimum storage unit of a hard drive

–	block	section
SD	a number of bytes, basic data transfer unit	a number of blocks, basic erase unit
FATFS	A “block”, a contiguous number of bytes, is the minimum unit of memory that is read from and written to a disk by a disk driver	The sector is the minimum storage unit of a hard drive