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.

I2c扩展--急

Other Parts Discussed in Thread: PCA9518

430f5659采用其中一个串口配置成I2c,作为主设备,其余最多外面接入10个从设备(传感器,也是430单片机),担心驱动能力不够的问题,如何衡量一个I2c可以接入从设备的个数,如果驱动能力不够,应该选择什么器件进行扩展?