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AWR1642: PAD IO register

Takeo Sekiguchi
Expert 3305 points
Part Number: AWR1642


Hello,

What is difference between OE_OVERRIDE and OE_OVERRIDE_CTRL bit (and IE_OVERRIDE/IE_OVERRIDE_CONTROL bit) in AWR1642 PAD IO register?  Please explain with some use case.

Regards,

Takeo

  • 0
    TI__Mastermind 31145 points
    Hello Takeo,

    Unfortunately the difference between these two bits is not well documented. I will have to take a deeper look and get back to you.

    Regards,

    Adrian
  • 0
    TI__Mastermind 31145 points
    Hello Takeo,

    OE_OVERRIDE specifies the value to be overridden by the OE_OVERRIDE_CTRL. For example, if you set OE_OVERRIDE to 1 and then enable OE_OVERRIDE_CTRL, the pin will output a 1. This can be used to force a SPI chip select high, for example.

    Similarly, the IE_OVERRIDE specifies the value. If you set the IE_OVERRIDE to 1, then enable the IE_OVERRIDE_CTRL, the device will behave as if it is seeing a 1 at the input of that pin.

    Regards,

    Adrian