This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
您好,
I2C 或 SMBus 是可选的,如果不用的话,是的,直接NC;
I2C 和 SMBus 模式为您在使用此设备时提供了更多的灵活性,如果您只需要 TUSB8020B 的默认操作,那么根据需求配置外部管脚就可以了