https://blog.wongcw.com/2018/12/19/%e7%a7%bb%e5%8b%95soc%e6%94%af%e6%8c%81smt%e5%a4%9a%e7%b7%9a%e7%a8%8b%e4%ba%86arm%e7%99%bc%e5%b8%837nm-cortex-a65ae%e8%99%95%e7%90%86%e5%99%a8/