Question: What does the next instructions? LDR RO , GPIO _ PORTA _ DEN _ R MOV R 1 , 0 xF 0 STR R 1

What does the next instructions?
LDR RO, GPIO_PORTA_DEN_R
MOV R1,0xF0
STR R1,[R0]
This procedure enables the digital pins 3,2,1, and 0 of port A
This procedure disables the digital pins 7,6,5 and 4 of port A.
This procedure enables the digital pins 7,6,5 and 4 of port A.
This procedure enables the Port A as input
What does the next instructions? LDR RO, GPIO_PORTA_DEN_R MOV R1,0xF0 STR

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