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Reading from GPIO_PSR/DR

Question asked by Adelin Dobre on Apr 3, 2018
Latest reply on Apr 4, 2018 by Yuri Muhin



I have a question with the GPIO Read Mode sequence. After writing value to data_register (GPIO_DR), should be able to read the same state from the GPIO_PSR after I have configured GPIO direction register to input? I saw that reading in input mode, the value from GPIO_DR is updated after I wrote something, but this is not the case for GPIO_PSR.


Thanks for your help!