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

QA3. There are two pins from GPIO Port A of STM32L476 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 C.
a. GPIOA->MODER
b. GPIOA->OSPEEDR
c. GPIOA->PUPDR
d. GPIOA->IDR
QA 3 . There are two pins from GPIO Port A of STM

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