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state of pins at startup

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love_electronic

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what are the initial states of pins (ports of mcu like pic16f628a) at startup? high or low?
 

any state is possible, so you need to set it up to your desired state or clear the files on start.... or you can check from Data sheet on the Function register file summary they do state the thresholds!
 

Reading the datasheet is always a good start:

note2.jpg

(From page 31)
 

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