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6. Calculate the delay in microseconds for the loop section in-(Answered)

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6. ? Calculate the delay in microseconds for the loop section in the following program if it is run on your trainer:

? ? ? ? ? ? MOV R2, #250

Back: ?Nop?

? ? ? ? ? ?Nop?

? ? ? ? ? ?Nop

? ? ? ? ? ?Nop?

? ? ? ? ? ?DJNZ R2, back?

5. ?Give the exact time that the DJNZ instruction takes to execute in your 8051 trainer. Assume it jumps to the destination.?

4. ?Give the exact time that the SETB and CLR instructions take to execute in your 8051 trainer.?

3. ? Give the exact time that the Nop instruction takes to execute in your 8051 trainer.?

2. What determines the rotation direction of a DC motor? What determines the speed??




 

Paper#9257610 | Written in 27-Jul-2016

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