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I NEED A SUDDEN REPLY

DEAR TO ALL, I AM DEALING WITH C8051F120 MICROCONTROLLER.UTILIZING 16 X 16 MAC ENGINE OPERATION.I AM DOING ASSEMBLY LANGUAGE PROGRAMMING USING THIS MICROCONTROLLER FOR MULTIPLICATION. IS IT POSSIBLE TO MULTIPLY TWO UNSIGNED 16 BIT INPUTS?
IF YES, THEN HOW ?

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  • please reply to this

    hello to all ,
    i am using keil uvision3 and device selected is c8051f120.after execution of the project, the states is 1992 and execution time is 0.000650 seconds
    Note:clock is 50MHz

    please tell me whether i forgot any step missed or is it correct ?

    if my answer is correct,then what is the relation between states and executed time?

    i calculated like this

    (1/(50*1000000))*1992=39 microseconds

    but answer i got is .6 milliseconds

    why?

    please i need your help

    sory for interrupting you all

    Regards
    Ranjini.NP

Reply
  • please reply to this

    hello to all ,
    i am using keil uvision3 and device selected is c8051f120.after execution of the project, the states is 1992 and execution time is 0.000650 seconds
    Note:clock is 50MHz

    please tell me whether i forgot any step missed or is it correct ?

    if my answer is correct,then what is the relation between states and executed time?

    i calculated like this

    (1/(50*1000000))*1992=39 microseconds

    but answer i got is .6 milliseconds

    why?

    please i need your help

    sory for interrupting you all

    Regards
    Ranjini.NP

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