Part 1 How many pins are designated as P3 and which number a

Part 1.

How many pins are designated as P3 and which number are they in the DIP package?(Multiple Choice)

A. 8 pins, pins 00-07

B. 8 pins, pins 10-17

C. 8 pins, pins 01-08

D. 8 pins, pins 20-27

Part 2.

Modify the below \"ONE SEC\" subroutine to perform the following:

A. Counts up from 0 to 21.

B. After reaching 21, the next value should be 0 followed by 1,2,4,8,16,32,64,128 and then restarting the count from 0.

Delay1: MOV R5, #250D

Label: Acall delay

Acall delay

DJNZ R5, label

Ret

Delay2: MOV R6, #250D

MOV R7, #250D

Loop 1: DJNZ R6, Loop 1

Loop 2: DJNZ R7, Loop 2

Ret

PART 1:

FOR P3 the pis are 10 - 17

PART 2:

A) START:MOV A,00

LOOP:INC A

LCALL DELAY1

CJNE A,#21D,LOOP

JMP START

B) START:MOV A,00

LOOP:INC A

LCALL DELAY1

CJNE A,#21D,LOOP

MOV A,00

INC A

BACK: LCALL DELAY1

CLR C

LSL A

CJNE A,#128D,BACK

JMP START