Question: QA 3 . There are two pins from GPIO Port A of STM 3 2 L 4 7 6 needed to be used as digital
QA There are two pins from GPIO Port A of STML needed to be used as digital input. To complete the function of digital input, which register below will not be used? You may refer to Appendix
a GPIOAMODER
b GPIOAOSPEEDR
c GPIOAPUPDR
d GPIOAIDR
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