KV46 GPIO PORTC4 setup as an output.

[bitjockey]

I am setting up a GPIO PortC4 as an output (to drive a /MR input on an ADM8322). I set the output high when I go through port setup and initialization. What I see with is scope is narrow low pulses on the output even though I am not toggling, or otherwise changing the state of the output. This causes reset to be triggered by the ADM8322, and keeps the MCU resetting. I there anyway to keep the low going pulses from occurring?

Thanks,

Brian

[Robin_Shen]

Hi Brian,

Sorry for the late reply!
For most digital pins, it keep the high impedance during reset phase, so you can add the external pull-up resistor to ensure it to be high level during reset.

Best Regards,

Robin

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