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Visitor II
April 24, 2019
Question

On the IIS328DQ, are the INT pins active high or low?

  • April 24, 2019
  • 2 replies
  • 583 views

I am assuming that since they can be configured as push-pull or open drain that they are likely active low, but I would like to confirm this assumption. It seems odd that there is nothing in the datasheet about these pins -- only info about their software configurations

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    2 replies

    ST Employee
    April 26, 2019

    ​Hi Mike, you can decide the high/low active status of INT1/2 pin selecting IHL bit in CTRL_REG3 [interrupt CTRL register] (22h) (p. 26 of the datasheet). The default value for this bit is 0, which means "active high". You can also select the Push-pull/open-drain INT1/2 pad status acting on PP_OD bit. Regards

    Visitor II
    April 26, 2019

    ​Thanks!