06_GPIO输出控制

GPIO 输出控制

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IO

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修改image-20230911102718792

1Pull-up: 上拉, 那么PA11内部和3..3v连接就是high;

2Pull-down: 下拉, 那么PA11内部和GND连接就是low;

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用杜邦线将A11和GND相联,就是低

用杜邦线将A11和3.3v相联, 就是高

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posted @ 2023-09-19 12:04  爱吃冰激凌的黄某某  阅读(12)  评论(0编辑  收藏  举报