Question: 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

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.

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

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