You should design your project with active low outputs to account for the High-Z input state at power on. Almost every microcontroller, I know, behaves...
To be accurate, during power on, these I/Os turn on and off (and then stay off) very quickly (like a flash). The idea is to stop that high-low behavior.
Is there a way (somewhere on the datasheet for example) to know what are the I/O pins state during power up?
I've noticed that some I/O pins (on my 18F2580 MCU)...
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Re: I/O Pin status during startup
Simple answer- you cannot do that.
Jerson Today, 02:57You should design your project with active low outputs to account for the High-Z input state at power on. Almost every microcontroller, I know, behaves...