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看下面链接别人的笔记,在I2C 总线单主机的情况下是可以将主机设置为推挽输出的:
https://blog.csdn.net/kingsai2012/article/details/124999303
我也不确定这个是不是正确的结论,如果可以的话,还是建议您在SCL 和SDA上接上拉电阻使用OD接口,或者以验证是不是接口配置(open-drain or push-pull)的问题?
如果仅是这一点区别,我想可能是这里的原因。