Other Parts Discussed in Thread: PCA9555
there are two I2C chips on our customer board,one is pca9555(i2c 7-bit dev address:0x26),the other is adv7441(one 7-bit dev address is 0x20).when we write pca9555 reg0x03,adv7441(dev address 0x20) reg0x03 will be overwritten.is this a bug?
