https://blog.wongcw.com/2021/02/04/%e5%a8%81%e5%89%9b%e7%99%bc%e5%b8%83%e5%b7%a5%e6%a5%ad%e7%b4%9aiem5141a-emmc%ef%bc%9a%e9%9b%86%e6%88%90%e4%b8%bb%e6%8e%a7%e8%88%87nand%e9%96%83%e5%ad%98/