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PCA9306的使用

Other Parts Discussed in Thread: PCA9306

我现在需要实现1.2V I2C到1.8V I2C的转换,是否可以用PCA9306这颗料?

我看PCA9306规格书里面还写到En脚需要比VREF1和VREF2大1V才行,此时,如果我需要常使能EN脚的话,再接1.8V是不是就不合适了,

那么请问下此时EN脚、200K电阻、VREF2该如何接合适?