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PCM1789: Can PCM1789 PIN18/19/24 float ?

Haiwen Huang
Intellectual 1820 points
Part Number: PCM1789 
Dears:
Can PCM1789 PIN18,19,24 be left floating due to insufficient MCU resources? ? 
And PIN17 AMUTEI pin uses a resistor to pull up in typical applications. Can this be removed? Thank you!
  • 0
    TI__Guru 53623 points

    Hi Haiwen,

    Pin 18 and 19 can be left floating, as they are outputs. Pin 24 should be set to either ground or VDD, it should not be left floating.  If you are operating the device in HW mode, the pin should be connected to ground.

    Thanks,

    Paul