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TMS320F280045: AIO internal pullup resistor

Daniel Magalhães
Prodigy 10 points

Part Number: TMS320F280045

I intend to use pins 14 and 15 (AIO232 and AIO231) as digital inputs with the internal pull-up functionality enabled. I would appreciate your guidance on the following points:

  1. Is it possible to enable an internal pull-up resistor for each of these pins?
  2. Could you please explain how the internal pull-up resistor circuit is implemented and operates?
  3. What is the recommended configuration procedure to set these pins as digital inputs with the internal pull-up enabled?
  4. What are the electrical limitations of these pins, specifically in terms of allowable current, voltage range, and power dissipation?