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Similar Part to PCA9548 with Slave/Master pins?

Alex Segler
Expert 4531 points

Hello team, 

I need a part like the PCA9548, but that allows for the common nets (pins 22 and 23) to be a slave with multiple selectable masters. The PCA9548 seems to only allow for a master on pins 22/23.

Does TI have a part that can solve this problem?

Thank you,

Alex

  • 0
    TI__Guru 72751 points

    Hey Alex,

    You can put a master on the secondary pins of this device and have another master on the main bus (the common nets as you call them) to select which master can connect to the main bus. If this is what you are going for, then this is possible.

    I assume your preferred solution would be to have a master on the secondary line who can talk to the slave device through the secondary line. (Like a master arbitrator MUX of some sort). Unfortunately we do not have a device like this in our portfolio.

    -Bobby