I use "PCA9541APW/01,118" as the I2C master selector.
Question: I can't change the channel from 0 to 1, how to drive it?
1. after power on, the channel 0 works successful.
2. reading the control register(01h), the response value is 0x04.
3. sending command to let channel 0 give up the control, write 0x05 to 01h(control), the response value is correct.(0x05).
channel 0 is not working well, channel 1 can't work either.
use the OSC to capture the waveform, channel 1 send NACK for the slave address.
Could you kindly point out where is wrong? and give out the right process when need to exchange the channel.