Other Parts Discussed in Thread: CD4097B, SN74LV4051A
Tool/software:
Hi Team,
I will be using PCA9548A on my PCB. I would like to ask you if this IC can work as follow:
- Normal operation as I2C mux: I2C master unit and x5 I2C slave units with pull-up resistors connected on both sides to 3.3V
- Special operation as a digital MUX:
- Phase 1. During this phase we program PCA9548A via I2C master and disconnect the pull-up resistors (slave side) via a switch
- Phase 2. Once programmed, we switch (via a mux) from I2C master unit to a device that doesn't communicate via I2C and requires digital lines without any pull-up resistor.
- Phase 1. During this phase we program PCA9548A via I2C master and disconnect the pull-up resistors (slave side) via a switch
Do you think this device can work in these conditions?
Thanks for your support,
BR
Roberto