https://blog.wongcw.com/2022/03/04/%e9%a9%8d%e9%be%8dsoc%e6%96%b0%e6%90%ad%e6%aa%94%ef%bc%9a%e9%ab%98%e9%80%9a%e5%ae%8c%e6%88%90%e4%b8%89%e6%98%9f7-5gbps-lpddr5x%e5%85%a7%e5%ad%98%e9%a9%97%e8%ad%89%e5%b7%a5%e4%bd%9c/