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Original question:

PGA970: Demodulator output and LVDT position output

PGA970: GPIO2 as an input doesn't work

Hassan Samadi
Prodigy 50 points
Part Number: PGA970

Hi,

I want to use GPIO2 as an input, but it doesn't work. I defined it as output, it worked ok and also GPIO1 as input works as well.

My configuration:

#define BIT_0  1
#define BIT_1  2

    GPIO_Config(GPIO1_DIR_INPUT | GPIO2_DIR_INPUT,
                          GPIO1_PUSH_PULL | GPIO2_PUSH_PULL);

and I use GET_GPIO2(); to get the GPIO2 status.

Could you please tell what is the problem?

Thanks

Hassn

  • 0
    TI__Intellectual 1460 points

    We appreciate your interest in this device, however at this time we are unable to offer additional support. Please use our extensive resources – including datasheets, user’s guides, application notes, FAQs, and existing E2E posts – to guide your design and help troubleshoot any issues. We apologize for any inconvenience this may cause.

  • 0 in reply to Kyle R. Stone
    Prodigy 50 points

    Thanks for copy and paste message for all of my last posts.

    When my problem solved with datasheet or any other data from Texas, then I have never asked my question here to waste my time and others too.

  • +1 in reply to Hassan Samadi
    Prodigy 50 points

    Hi to all,

    I solved my problem with GPIO2 as an input, I just replaced the Chip with new one (was really hard to remove and solder the new chip, but my risk worked ok). I think this pin was defect, and some other options did not work normal.

    Wish you all Best,

    Hassan Samadi