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eeworld.com.cn
25 天
u-boot之NAND启动与NOR启动的区别
1、在JZ2440开发板上有两种Flash,分别为nand flash和nor flash。这两种flash的最主要的区别为:nor flash比较稳定,存在里面的数据不易丢失,但是容量小,nor flash在读的时候可以像内存一样操作;nand flash容量大,但是存在位反转,会导致数据丢失,读写需要通过一定的 ...
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