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没有看懂全志D1s手册上面 VCC-IO 这个引脚干嘛的？

D1系列-RISC-V

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memory LV 7 last edited by whycan
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uuuuid LV 6 last edited by

特意查了一下手册，F133 里面 VCC-IO 管 PB / PC / PF / USB 的电源，也就是说这四个功能共用VCC-IO电源，一动则全动。

PD / PE / PG 分别用是自己独立的IO电源，比如 PD组你想接 1V8的陀螺仪芯片，那么VCC-PD接1V8就可以了。
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uuuuid LV 6 last edited by
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uuuuid LV 6 last edited by

参考原理图全接一起去了。
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