会有几组VDD和VSS 一组VDDA和VSSA VDD和VDDA一样接 VSS和VSSA一样接 (当然注意滤波电容的存在) https://blog.csdn.net/sinat_16643223/article/details/119214075
一个VBAT
https://blog.csdn.net/sinat_16643223/article/details/119149766
那么再看下面电路原理图,这几个引脚所接的你就都能看懂了。叫你自己独立画也会画了。
https://www.bilibili.com/video/BV1Pk4y1z7Ai/?spm_id_from=333.788.recommend_more_video.-1
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