homework i want someone do it well

INSTRUCTIONS: Show all your work. Hand in a hardcopy. Blackboard solutions will not be accepted.

• How many bits wide is Port B? How many bits wide is Port F?
• What are the steps required to initialize a parallel port? Which steps are optional?
• What are the steps required to input one bit from an input pin?
• Specify a #define that allows us to access bits 2 and 5 of Port A. Use this #define to make both bits 2 and 5 of Port A high.
• If you were to use UART5 at pins PE4 and PE5, how would you program the GPIO registers?
• What registers GPIO will you program if you desire to use Analog input 9 and 8? How would you set them

Use the tables below to answer the following questions.

7. To make a pin a digital input, what value do you load into corresponding bits the following registers? Assume it does not need an internal pullup

DIR
PUR
PCTL
AFSEL
AMSEL
DEN

8. To make a pin a digital output, what value do you load into corresponding bits the following registers? Assume it does not need an internal pullup

DIR
PUR
PCTL
AFSEL
AMSEL
DEN

9 Which line of C code is a friendly way to set Port B bit 2 assuming this pin has already been initialized as an output

GPIO_PORTB_DATA_R = 0x00;
GPIO_PORTB_DATA_R = 0x02;
GPIO_PORTB_DATA_R = 0x04;
GPIO_PORTB_DATA_R |= 0x02;
GPIO_PORTB_DATA_R |= 0x04;
GPIO_PORTB_DATA_R &= 0x02;
GPIO_PORTB_DATA_R &= 0x04;
GPIO_PORTB_DATA_R &= ~0x02;
GPIO_PORTB_DATA_R &= ~0x04;

10. How would you program the GPIO registers to make PF5 and PF2 input, and make PF3 PF1 and PF0 outputs?

 

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