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    没有看懂全志D1s手册上面 VCC-IO 这个引脚干嘛的?

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      memory LV 7 last edited by whycan

      338f708cb9e23320d93225b463abb2d.png

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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

          de6c01ac05497d0316e957515bec9ea.png 11e5d20c23e48ae62b926d03ba2c3c7.png cc02396a184f2a9b5e3a8b1a8400c28.png

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            uuuuid LV 6 last edited by

            ced49078-298f-43fc-9b33-439b84cbe2e4-image.png

            参考原理图全接一起去了。

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