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CC3220MODA: pin 12, GPIO 23 cant to keep pull up...

Aichi Chen
Expert 1550 points
Part Number: CC3220MODA
Other Parts Discussed in Thread: SYSCONFIG

Hi

The Cc3220SMODA's JTAG pin define is pin 12 GPIO23, but we use this pin as GPIO input pin.

When in normal condition, the voltage level is 3.3v and work fine.But in LPDS mode, it will drop to  2.5v cause current leaking.

So just wanna to ask how to park this GPIO to keep pull up in LPDS mode??

Thanks.

  • +1
    TI__Genius 13052 points

    Hi Aichi,

    I believe this should be possible using Sysconfig. If you navigate to your example.syscfg, you will find a "TI Drivers" section. In that section, you can add another GPIO, select the Mode as "Input" and set the Pull to be "Pull Up." You can use the PinMux at the bottom to select an available GPIO on the device. 

    Best regards,
    Jacob