左边的电平是1.8V,右边3.3V_I2C我都没上电了,为什么还会影响我的右边电压?目前右边R240和241还输出0.8V 电源电压3.3V_I2C变化为0.8V,严重影响了上电波形!应为我的1.8V最先上电,导致3.3V还没上电,就出现一段阶梯0.8V电压!大家有遇到吗?
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型号是PCA9517A还是PCA9517?只有PCA9517这个型号呢,不过建议使用TCA9517替代。